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B/cb        Cataclysmic Binaries, LMXBs, and related objects   (Ritter+, 2014)

Catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects (7th Edition, Release 7.23, December 2015) Ritter H., Kolb U. <Astron. Astrophys. 404, 301 (2003)> =2003A&A...404..301R
ADC_Keywords: Binaries, cataclysmic ; Binaries, X-ray ; Novae Keywords: catalogues - stars: novae, cataclysmic variables - stars: binaries: close Description (Release v7.23, December 2015): Cataclysmic Binaries are semi-detached binaries consisting of a white dwarf or a white dwarf precursor primary and a low-mass secondary which is filling its critical Roche lobe. The secondary is not necessarily unevolved, it may even be a highly evolved star as for example in the case of the AM CVn-type stars. Low-Mass X-Ray Binaries are semi-detached binaries consisting of either a neutron star or a black hole primary, and a low-mass secondary which is filling its critical Roche lobe. Related Objects are detached binaries consisting of either a white dwarf or a white dwarf precursor primary and of a low-mass secondary. The secondary may also be a highly evolved star. The catalogue lists coordinates, apparent magnitudes, orbital parameters, and stellar parameters of the components and other characteristc properties of 1361 cataclysmic binaries, 107 low--mass X--ray binaries and 604 related objects with known or suspected orbital periods together with a comprehensive selection of the relevant recent literature. In addition the catalogue contains a list of references to published finding charts for 1945 of the 2072 objects, and a cross--reference list of alias object designations. Literature published before 1 July 2015 has, as far as possible, been taken into account. Old editions include catalogue V/59 (5th edition), V/99 (6th edition) and V/113 (7th edition); the successive versions of the 7th edition are available in dedicated subdirectories (v7.00 to v7.20) File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file cbdata.dat 227 1361 Catalogue of Cataclysmic Binaries lmxbdata.dat 222 107 Catalogue of Low-Mass X-Ray Binaries pcbdata.dat 220 604 Catalogue of Related Objects findrefs.dat 459 4858 References for finding charts cbrefs.dat 459 2953 References for cbdata.dat lmxbrefs.dat 459 310 References for lmxbdata.dat pcbrefs.dat 459 1201 References for pcbdata.dat whoswho.txt 72 13302 *Names of objects, and references of designations whoswho1.dat 277 9598 *Alternative names in lexigraphical order whoswho2.dat 93 6079 *Provisional and Common designations whoswho5.dat 72 1541 *References to the catalogue acronyms
Note on whoswho.txt: contains the 3 parts whoswho1.dat to whoswho5.dat (without the bibcodes) Note on whoswho1.dat, whoswho2.dat, whoswho5.dat: formatted files corresponding to whoswho.txt
See also: http://www.MPA-Garching.MPG.DE/RKcat/ : Catalog Home page or http://physics.open.ac.uk/RKcat/ : Catalog Home page Byte-by-byte Description of file: cbdata.dat
Bytes Format Units Label Explanations
1- 12 A12 --- Name Object name (G1) 14 A1 --- whoswho [*] * indicating that further alternative designations are in the whoswho1.dat file 16- 27 A12 --- AltName A frequently used alternative name 30- 31 I2 h RAh Right Ascension J2000 (hours) 33- 34 I2 min RAm Right Ascension J2000 (minutes) 36- 39 F4.1 s RAs ? Right Ascension J2000 (seconds) 41 A1 --- DE- Declination J2000 (sign) 42- 43 I2 deg DEd Declination J2000 (degrees) 45- 46 I2 arcmin DEm ? Declination J2000 (minutes of arc) 48- 49 I2 arcsec DEs ? Declination J2000 (seconds of arc) 51 A1 arcsec epos [0-9] Accuracy of position (G3) 53- 54 A2 --- Type1 Object type (3) 55 A1 --- u_Type1 [?:] Uncertainty flag for object type 57- 58 A2 --- Type2 Object type (3) 59 A1 --- u_Type2 [?:] Uncertainty flag for object type 61- 62 A2 --- Type3 Object type (3) 63 A1 --- u_Type3 [?:] Uncertainty flag for Object type 65- 66 A2 --- Type4 Object type (3) 67 A1 --- u_Type4 [?] Uncertainty flag for Object type 69 A1 --- l_mag1 [><] Limit flag for magnitude mag1 70- 74 F5.2 mag mag1 ? Apparent V (or B, b, F, g, I, J, j, K, p, R, r, v, w = "white light") magnitude at maximum brightness (4) 75 A1 --- f_mag1 [:?BbFgIJjKpRrvw] Uncertainty flag or band for magnitude mag1 77 A1 --- l_mag2 [><] Limit flag for magnitude mag2 78- 81 F4.1 mag mag2 ? Apparent V (or B, b, g, I, K, p, R, r, w = "white light" magnitude) magnitude at minimum brightness, (5) 82 A1 --- f_mag2 [:?BbgIKpRrw] Uncertainty flag/band for mag2 84 A1 --- l_mag3 [><] Limit flag for magnitude mag3 85- 88 F4.1 mag mag3 ? Apparent V (or B, b, g, I, p, R, r, w = "white light" magnitude) magnitude at maximum brightness (6) 89 A1 --- f_mag3 [:?BbgIpRrw] Uncertainty flag/band for mag3 91 A1 --- l_mag4 [><] Limit flag for magnitude mag4 92- 95 F4.1 mag mag4 ? Apparent V (or B, g, I, p, R, r, U, w = "white light "magnitude) magnitude at maximum brightness (7) 96 A1 --- f_mag4 [:?BgIpRrUw] Uncertainty flag/band for mag4 98-102 A5 d T1 Time interval between two subsequent ourbursts (8) 104-108 A5 d T2 Time interval between two subsequent ourbursts (8) 110-117 F8.6 d Orb.Per ? Orbital period (in days) 118 A1 --- u_Orb.Per [:*] Uncertainty flag for Orb.Per (9) 120-129 F10.6 d 2.Per ? Second period (10) 130 A1 --- u2._Per [:*] Uncertainty flag for 2.Per 131-141 F11.4 s 3.Per ? Additional period in the system (11) 142 A1 --- f3._Per [:T] Flag for 3.Per. (12) 144-151 F8.3 s 4.Per ? Additional period in the system (13) 152 A1 --- u4._Per [:] Uncertainty flag for 4.Per 154 A1 --- EB [D21?] Flag indicating the occurrence of eclipses (G4) 155 A1 --- u_EB [?:] Uncertainty flag for EB 157 I1 --- SB [1,2]? Flag specifying the type of spectroscopic binary (G5) 158 A1 --- u_SB [?] Uncertainty flag for SB 160-166 A7 --- SpType2 Spectral type of the secondary (G6) 168-174 A7 --- SpType1 Spectral type of the primary (G6) 175 A1 --- f_M1/M2 [><] Limit flag for M1/M2 176-180 F5.2 --- M1/M2 ? Mass ratio M1/M2 181 A1 --- u_M1/M2 [:] Uncertainty flag for M1/M2 184-187 F4.2 --- e_M1/M2 ? Error of M1/M2 189 A1 --- l_Incl [><] Limit flag for the orbital inclination 190-193 F4.1 deg Incl ? Orbital inclination 194 A1 --- u_Incl [:] Uncertainty flag for the inclination 196-199 F4.1 deg e_Incl ? Error of orbital inclination 201 A1 --- l_M1 [><] Limit flag for primary mass M1 202-206 F5.3 Msun M1 ? Primary mass M1 (in solar masses) 207 A1 --- u_M1 [:] Uncertainty flag for primary mass M1 209-213 F5.3 Msun e_M1 ? Error of primary mass M1 (in solar masses) 215 A1 --- l_M2 [><] Limit flag for secondary mass M2 216-220 F5.3 Msun M2 ? Secondary mass M2 (in solar masses) 221 A1 --- u_M2 [:] Uncertainty flag for secondary mass M2 223-227 F5.3 Msun e_M2 ? Error of secondary mass M2 (in solar masses)
Note (3): Object type coarsely characterised using the following abbreviations: AC = AM CVn star, spectrum devoid of hydrogen lines, subtype of NL AM = polar = AM Her system, subtype of NL, contains a synchronously or nearly synchronously rotating, magnetized white dwarf AS = subtype of AM, with a slowly asynchronously rotating, magnetized white dwarf BD = secondary star is a brown dwarf CP = coherent pulsator, contains a coherently pulsating white dwarf CV = cataclysmic variable of unspecified subtype DA = non-magnetic direct accretor DN = dwarf nova DQ = DQ Her star, contains a non-synchronously rotating, magnetized white dwarf; usually not seen in X-rays EG = extragalactic source ER = ER UMa star = SU UMa star with an extremely short supercycle GC = source in a globular cluster IP = intermediate polar, shows coherent X-ray period from a non- synchronously spinning, magnetized white dwarf; usually a strong X-ray source LA = low accretion rate polar (LARP), i.e. a somewhat detached magnetic CV/pre-CV LI = low-accretion rate intermediate polar (LARIP), i.e. a somewhat detached magnetic CV/pre-CV N = classical nova Na = fast nova (decline from max. by 3 mag. in less than about 100 days) Nb = slow nova (decline from max. by 3 mag. in more than about 100 days) Nc = extremely slow nova (typical time scale of the decline from maximum: decades) NL = nova-like variable Nr = recurrent nova NS = system showing negative (nodal) superhumps PW = precessing white dwarf SH = non-SU UMa star showing either permanent or transient positive (apsidal) superhumps SS = supersoft X-ray source; CV with stationary hydrogen burning on the white dwarf SU = SU UMa star, subtype of DN SW = SW Sex star, subtype of NL UG = dwarf nova of either U Gem or SS Cyg subtype UL = ultra-luminous X-ray source UX = UX UMa star, subtype of NL VY = VY Scl star (anti dwarf nova), subtype of NL WZ = WZ Sge star = SU UMa star with an extremely long supercycle ZC = Z Cam star, subtype of DN ZZ = white dwarf shows ZZ Ceti-type pulsations Note (4): Apparent magnitude at maximum brightness of: novae (N, Na, Nb, Nc, Nr) in minimum DN (UG, ZC, SU) in minimum NL (UX, AC) in normal state NL (DQ, IP, AM, VY) in high state SS in high state Note (5): in case of eclipses magnitude at mideclipse, of: novae (N, Na, Nb, Nc, Nr) in minimum DN (UG, ZC, SU) in minimum NL (UX, AC) in normal state NL (DQ, IP, AM, VY) in high state SS in high state Note (6): Apparent magnitude at maximum brightness of: novae (N, Na, Nb, Nc, Nr) in outburst DN (UG, ZC) in outburst DN (SU) in normal outburst DN (WZ) in echo outburst NL (AM, VY) in low state NL (DQ, IP) in flaring state SS in low state * brightness of NL (DQ, IP) in low state Note (7): Apparent magnitude at maximum brightness of: novae (N, Na, Nb, Nc, Nr) in DN outbursts ZC in standstill SU in superoutburst WZ in superoutburst NL (DQ, IP) in flaring state or outburst * at minimum brightness of NL (AM, VY) in low state SS in low state Note (8): time interval between ourbursts is defined: * for dwarf novae of subtype UG or ZC: the typical time interval between two subsequent outbursts * for dwarf novae of subtype SU and WZ: T1 is the typical time interval between two subsequent normal outbursts T2 is the typical time interval between two subsequent superoutbursts Note (9): the * indicates, in case of object type SU or SH that the orbital period has been estimated from the known superhump period using the empirical relation given by Stolz & Schoembs (1984A&A...132..187S). Note (10): The second period, in case of object type: DQ or IP: photometric period if it is different from the spectroscopic one AM: polarization period = spin period of the white dwarf, if it is different from the presumed orbital period (subtype AS) SU: superhump period, wherever possible, at the beginning of a super-outburst SH: photometric period, superhump period of either permanent or transient superhumps if 2.Per > Orb.Per NS: photometric period, period of either permanent or transient negative superhumps if 2.Per. < Orb.Per Note (11): Additional period in the system, in case of object type: CP: period of coherent pulsation, (transient if f3.Per = T) DQ: spin period of the white dwarf IP: spin period of the white dwarf, usually detected in X-Rays SW: probably the spin period of the white dwarf Note (12): Flag T indicating transient pulsations Note (13): dditional period in the system, in case of object type: CP: second period of coherent pulsation DQ: additional period, presumably due to reprocessed X-Rays IP: additional period, usually seen in the optical and presumably due to reprocessed X-Rays
Byte-by-byte Description of file: lmxbdata.dat
Bytes Format Units Label Explanations
1- 12 A12 --- Name Object name (G1) 14 A1 --- whoswho [*] * indicating that further alternative designations are in the whoswho1.dat file 16- 27 A12 --- AltName A frequently used alternative name 30- 31 I2 h RAh Right Ascension J2000 (hours) 33- 34 I2 min RAm Right Ascension J2000 (minutes) 36- 39 F4.1 s RAs Right Ascension J2000 (seconds) 41 A1 --- DE- Declination J2000 (sign) 42- 43 I2 deg DEd Declination J2000 (degrees) 45- 46 I2 arcmin DEm Declination J2000 (minutes of arc) 48- 49 I2 arcsec DEs Declination J2000 (seconds of arc) 51 A1 arcsec epos [1-9] Accuracy of position (seconds of arc) 53- 54 A2 --- Type1 Object type (3) 55 A1 --- u_Type1 [?] Uncertainty flag for object type 57- 58 A2 --- Type2 Object type (3) 59 A1 --- u_Type2 [?] Uncertainty flag for object type 61- 62 A2 --- Type3 Object type (3) 63 A1 --- u_Type3 [?] Uncertainty flag for Object type 65- 66 A2 --- Type4 Object type (3) 67 A1 --- u_Type4 [?] Uncertainty flag for Object type 69 A1 --- l_mag1 [><] Limit flag for magnitude mag1 70- 73 F4.1 mag mag1 ? Apparent V (or B, g, I, i, J, K, R, r, U) magnitude at maximum brightness, in case of XT in quiescence 74 A1 --- f_mag1 [:?BgIiJKRrU] Uncertainty flag/band for mag1 76 A1 --- l_mag2 [><] Limit flag for magnitude mag2 77- 80 F4.1 mag mag2 ? Apparent V (or B, J, K, R, r, U) magnitude at minimum brightness, in case of eclipses magnitude at mideclipse, of XT in quiescence 81 A1 --- f_mag2 [:?BJKRrU] Uncertainty flag [:, ?], 83 A1 --- l_mag3 [><] Limit flag for magnitude mag3 84- 87 F4.1 mag mag3 ? Apparent V (or B, g, I, R) magnitude at maximum brightness, in case of XT in outburst 88 A1 --- f_mag3 [:?BgIR] Uncertainty flag/band for mag3 90 A1 --- l_mag4 [><] Limit flag for magnitude mag4 91- 94 F4.1 mag mag4 ? Apparent V (or R) magnitude at minimum brightness, in case of XT in outburst 95 A1 --- f_mag4 [:?R] Uncertainty flag/band for mag4 97-101 A5 --- LX/Lopt Ratio of X-ray to optical luminosity 104-106 I3 d T1 ? Typical time interval between two subsequent X-ray active states in case of subtype XT, 108-116 F9.6 d Orb.Per ? Orbital period 117 A1 --- u_Orb.Per [:*] Uncertainty flag for Orb.Per (6) 118-126 F9.6 d 2.Per ? Second period (7) 127 A1 --- u2._Per [:] Uncertainty flag for 2.Per 129-136 F8.6 s 3.Per ? Additional period in the system (8) 137 A1 --- u3._Per [:] Uncertainty flag for 3.Per 139-146 F8.1 s 4.Per ? Aditional period in the system, in case of object type XP: optical period 147 A1 --- u4._Per [:] Uncertainty flag or 4.Per 149 A1 --- EB [12D] Flag indicating the occurrence of eclipses (G4) 150 A1 --- u_EB [?] uncertainty flag for EB 152 I1 --- SB [1,2]? Flag specifying the type of spectroscopic binary (G5) 153 A1 --- u_SB Uncertainty flag [?] for SB 155-161 A7 --- SpType2 Spectral type of the secondary (G6) 163-169 A7 --- SpType1 Spectral type of the primary (G6) 171 A1 --- f_M1/M2 [><] Limit flag for M1/M2 172-176 F5.2 --- M1/M2 ? Mass ratio M1/M2 177 A1 --- u_M1/M2 [:] Uncertainty flag for M1/M2 178-182 F5.2 --- e_M1/M2 ? Error of M1/M2 184 A1 --- l_Incl [><] Limit flag for the orbital inclination 185-188 F4.1 deg Incl ? Orbital inclination (in degrees) 189 A1 --- u_Incl [:] Uncertainty flag for the inclination 191-194 F4.1 deg e_Incl ? Error of orbital inclination (in degrees) 196 A1 --- l_M1 [><] Limit flag for primary mass M1 197-201 F5.2 Msun M1 ? Primary mass M1 (in solar masses) 202 A1 --- u_M1 [:] Uncertainty flag for primary mass M1 205-209 F5.3 Msun e_M1 ? Error of primary mass M1 (in solar masses) 210 A1 --- l_M2 [><] Limit flag for secondary mass M2 211-215 F5.3 Msun M2 ? Secondary mass M2 (in solar masses) 216 A1 --- u_M2 [:] Uncertainty flag for secondary mass M2 218-222 F5.3 Msun e_M2 ? Error of secondary mass M2 (in solar masses)
Note (3): Object type coarsely characterised using the following abbreviations: AS = atoll source, subtype of the LMXBs BH = black hole candidate, subtype of the LMXBs BO = X-ray burster with coherent burst oscillations at the neutron star spin period DC = source with an accretion disc corona, subtype of the LMXBs EG = extragalactic source GC = source in a globular cluster MQ = microquasar, source of relativistic jets NS = system showing negative (nodal) superhumps QN = quiescent neutron star LMXB RP = primary is also seen as a radio pulsar SH = system showing either permanent or transient superhumps SS = supersoft X-ray source UL = ultra-luminous X-ray source XB = X-ray burst source XP = X-ray pulsar XT = transient X-ray source ZS = Z-source, subtype of the LMXBs Note (6): the * indicates, in case of object type SH, that the orbital period has been estimated from the known superhump period using the empirical relation given by Stolz & Schoembs (1984A&A...132..187S) Note (7): Second period in case of object type: SH: photometric period, presumably superhump period of either permanent or transient superhumps Note (8): Additional period in the system, in case of object type BO: period of burst oscillations = rotation period of the neutron star XP: rotation period of the pulsar
Byte-by-byte Description of file: pcbdata.dat
Bytes Format Units Label Explanations
1- 12 A12 --- Name Object name (G1) 14 A1 --- whoswho [*] indicating that further alternative designations are in the whoswho.dat file 16- 27 A12 --- AltName A frequently used alternative name 30- 31 I2 h RAh Right Ascension J2000 (hours) 33- 34 I2 min RAm Right Ascension J2000 (minutes) 36- 39 F4.1 s RAs Right Ascension J2000 (seconds) 41 A1 --- DE- Declination J2000 (sign) 42- 43 I2 deg DEd Declination J2000 (degrees) 45- 46 I2 arcmin DEm Declination J2000 (minutes of arc) 48- 49 I2 arcsec DEs Declination J2000 (seconds of arc) 51 A1 arcsec epos [1-9P] Accuracy of position (G3) 53- 54 A2 --- Type1 Object type (3) 55 A1 --- u_Type1 [?] Uncertainty flag for object type 57- 58 A2 --- Type2 Object type (3) 59 A1 --- u_Type2 [?] Uncertainty flag for object type 61- 62 A2 --- Type3 Object type (3) 63 A1 --- u_Type3 [?] Uncertainty flag for Object type 65- 66 A2 --- Type4 Object type (3) 67 A1 --- u_Type4 [?] Uncertainty flag for Object type 69 A1 --- l_mag1 [><] Limit flag for magnitude mag1 70- 73 F4.1 mag mag1 ? Apparent V (or B, g, I, i, R, r) magnitude at maximum brightness outside eclipse 74 A1 --- f_mag1 [:?BgIiRr] Uncertainty flag/band for mag1 76 A1 --- l_mag2 [><] Limit flag for magnitude mag2 77- 80 F4.1 mag mag2 ? Apparent V (or B, g, I, i, R, r) magnitude at minimum brightness, in case of eclipses magnitude at mideclipse 81 A1 --- f_mag2 [:?BgIiRr] Uncertainty flag/band for mag2 83- 91 F9.6 d Orb.Per Orbital period 92 A1 --- u_Orb.Per [:] Uncertainty flag for Orb.Per 94-105 F12.6 s 2.Per ? Spin period of the white dwarf (or neutron star) 106 A1 --- u2._Per [:] Uncertainty flag for 2.Per 108 A1 --- EB [12D] Flag indicating the occurrence of eclipses (G4) 109 A1 --- u_EB [?] Uncertainty flag for EB 111 I1 --- SB [1,2]? Flag specifying the type of spectroscopic binary (G5) 112 A1 --- u_SB [?] Uncertainty flag for SB 114-120 A7 --- SpType2 Spectral type of the secondary (G6) 122-128 A7 --- SpType1 Spectral type of the primary (G6) 130 A1 --- l_E [><] Limit flag for the orbital eccentricity 131-134 F4.2 --- E ? Orbital eccentricity 135 A1 --- u_E [:] Uncertainty flag for E 137-140 F4.2 --- e_E ? Error of orbital eccentricity 141 A1 --- f_M1/M2 [><] Limit flag for M1/M2 142-147 F6.3 --- M1/M2 ? Mass ratio M1/M2 148 A1 --- u_M1/M2 [:] Uncertainty flag for M1/M2 149-152 F4.2 --- e_M1/M2 ? Error of M1/M2 154 A1 --- l_Incl [>≲] Limit flag for the orbital inclination 155-158 F4.1 deg Incl ? Orbital inclination (in degrees) 159 A1 --- u_Incl [:] Uncertainty flag for the inclination 161-164 F4.1 deg e_Incl ? Error of orbital inclination (in degrees) 166 A1 --- l_M1 [><] Limit flag for primary mass M1 167-171 F5.3 Msun M1 ? Primary mass M1 (in solar masses) 172 A1 --- u_M1 [:] Uncertainty flag for primary mass M1 174-178 F5.3 Msun e_M1 ? Error of primary mass M1 (in solar masses) 180 A1 --- l_R1 [><] Limit flag for primary radius R1 181-185 F5.3 Rsun R1 ? Primary radius (in solar radii) 186 A1 --- u_R1 [:] Uncertainty flag for primary radius R1 188-192 F5.3 Rsun e_R1 ? Error of primary radius R1 (in solar radii) 194 A1 --- l_M2 [><] Limit flag for secondary mass M2 195-199 F5.3 Msun M2 ? Secondary mass M2 (in solar masses) 200 A1 --- u_M2 [:] Uncertainty flag for secondary mass M2 202-206 F5.3 Msun e_M2 ? Error of secondary mass M2 (in solar masses) 208 A1 --- l_R2 [><] Limit flag for secondary radius R2 209-213 F5.3 Rsun R2 ? Secondary radius R2 (in solar radii) 214 A1 --- u_R2 [:] Uncertainty flag for secondary radius R2 216-220 F5.3 Rsun e_R2 ? Error of secondary radius (in solar radii)
Note (3): Object type coarsely characterised using the following abbreviations: BD = secondary star is a brown dwarf CP = coherent pulsator, contains a coherently pulsating white dwarf or subdwarf DD = system consists of two degenerate components DS = detached system EC = contains a pulsating sdB star of the V361 Hya type (EC 14026-2647 type) with short-period pulsations EG = extragalactic source EL = EL CVn star = detached, eclipsing, possibly post-common envelope/ pre-CV binary consisting of a low-mass pre-He-WD and an A-type companion GC = source in a globular cluster GP = contains a sdB-star of V1093 Her type with long-period g-mode pulsations GW = contains a pulsating white dwarf of the GW Vir = PG 1159-035 type PN = central star of a planetary nebula RS = system shows RS CVn-like chromospheric activity SC = sub-stellar companion ZZ = white dwarf shows ZZ Ceti-type pulsations
Byte-by-byte Description of file: *refs.dat
Bytes Format Units Label Explanations
1- 12 A12 --- Name Object name 14- 32 A19 --- BibCode BibCode 34-459 A426 --- Text Text of reference
Byte-by-byte Description of file: whoswho1.dat
Bytes Format Units Label Explanations
1 A1 --- B [B] when the name is based on B1950 position 2- 25 A24 --- Name Object name 27 A1 --- --- [=] 29-277 A249 --- AltName Other name, or comment (1)
Note (1): Catalogue designations involving the equatorial coordinates are given in the following format: HHMM+DDMM (catalogue acronyms) if the position is given in B1950 coordinates -- a 'B' is then present in byte 1. JHHMM+DDMM (catalogue acronyms) if the position is given in J2000 coordinates. Here HHMM is the truncated right ascension in hours (HH) and minutes (MM), DDMM the truncated declination in degrees (DD) and arcminutes (MM), and + the sign of the declination.
Byte-by-byte Description of file: whoswho2.dat
Bytes Format Units Label Explanations
1 A1 --- B [B] when the name is based on B1950 position 2- 53 A52 --- cName Common or Provisional designation (G2) 55- 56 A2 --- --- [->] 58- 93 A36 --- Name Usual name
Byte-by-byte Description of file: whoswho5.dat
Bytes Format Units Label Explanations
1- 10 A10 --- Abbr Catalogue abbreviation 14- 72 A59 --- Text Text of References
Global Notes: Note (G1): Wherever possible, the designation of the object given in the General Catalogue of Variable Stars (Cat. II/214) is used here. Note (G2): The acronyms used in lists are detailed in the last part of the file "whoswho.txt" Note (G3): The number indicates the accuracy of position in seconds of arc. If the positional error is larger than 9arcsec, or unknown, this field is left blank. The letter [P] indicates an object with a large proper motion. Note (G4): The EB flag means: (blank) = no eclipses observed. 1 = 1 eclipse per orbital revolution observed. 2 = 2 eclipses per orbital revolution observed. D = periodic eclipse-like dips observed. Note (G5): The SB flag means: 1 = single-line spectroscopic binary 2 = double-line spectroscopic binary Note (G6): Spectral types are given in the following format: [Spectral class/Luminosity class], where the usual roman numerals for the latter are replaced by the corresponding arabic numerals, i.e. I = 1, II = 2, III = 3, IV = 4, V = 5, VI = 6.
History (and statistics): * 16-Apr-2003: 7th Edition (472 CB + 71 LMXB + 113 PCB) * 28-Aug-2003: 7.1 Edition (499 CB + 74 LMXB + 114 PCB) * 12-Mar-2004: 7.2 Edition (522 CB + 75 LMXB + 117 PCB) * 01-Sep-2004: 7.3 Edition (535 CB + 78 LMXB + 131 PCB) * 24-Mar-2005: 7.4 Edition (572 CB + 80 LMXB + 142 PCB) * 25-Jul-2005: 7.5 Edition (599 CB + 81 LMXB + 147 PCB) * 01-Feb-2006: 7.6 Edition (623 CB + 83 LMXB + 162 PCB) * 29-May-2006: 7.6rev1 Edition (no new object) * 07-Dec-2006: 7.7 Edition (647 CB + 85 LMXB + 169 PCB) * 17-Aug-2007: 7.8 Edition (675 CB + 86 LMXB + 174 PCB) * 18-Mar-2008: 7.9 Edition (700 CB + 90 LMXB + 186 PCB) * 26-Jul-2008: 7.10 Edition (731 CB + 90 LMXB + 190 PCB) * 06-Apr-2009: 7.11 Edition (769 CB + 90 LMXB + 208 PCB) * 18-Sep-2009: 7.12 Edition (815 CB + 91 LMXB + 227 PCB) * 20-Mar-2010: 7.13 Edition (835 CB + 92 LMXB + 235 PCB) * 05-Nov-2010: 7.14 Edition (849 CB + 95 LMXB + 266 PCB) * 23-Mar-2011: 7.15 Edition (880 CB + 98 LMXB + 319 PCB) * 29-Sep-2011: 7.16 Edition (926 CB + 98 LMXB + 359 PCB) * 24-May-2012: 7.17 Edition (957 CB + 100 LMXB + 401 PCB) * 19-Jun-2012: 7.17rev1 (typos fixed in cbdata for J0038+7921 and NY Her) * 01-Aug-2012: 7.18 Edition (1005 CB + 101 LMXB + 427 PCB) * 31-Mar-2013: 7.19 Edition (1055 CB + 102 LMXB + 463 PCB) * 14-Jul-2013: 7.20 Edition (1094 CB + 104 LMXB + 483 PCB) * 20-Apr-2014: 7.21 Edition (1166 CB + 105 LMXB + 500 PCB) * 10-Jan-2016: 7.23 Edition (1361 CB + 107 LMXB + 604 PCB) References: Ritter H., 1984A&AS...57..385R (3rd edition) Ritter H., 1987A&AS...70..335R (4th edition) Ritter H., 1990A&AS...85.1179R (5th edition) (Catalogue: V/59) Ritter H., Kolb U., 1995, in "X-ray Binaries", Lewin W.H.G, van Paradijs J., van den Heuvel E.P. (eds), Cambridge Univ. Press, p. 578 (Cat. V/82)
(End) H. Ritter, U. Kolb [MPA Garching], Francois Ochsenbein [CDS] 29-Sep-2011
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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