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VII/184          Survey of 108 E-S0 galaxies          (Michard+, 1993-94)

Survey of 108 E-S0 RSA galaxies Michard R., Marchal J. <Astron. Astrophys. Suppl. Ser. 98, 29 (1993)> <Astron. Astrophys. 283, 779 (1994)> <Astron. Astrophys. Suppl. Ser. 105, 481 (1994)> =1993A&AS...98...29M =1994A&A...283..779M =1994A&AS..105..481M
ADC_Keywords: Galaxies, Markarian; Morphology; Photometry Description: Detailed data are available from our survey, results of which were published in A&A, in a series of papers. Abstract: A survey has been performed of the morphological and photometric properties of 108 E-S0 galaxies out of a complete sample of 112: this sample is built from the Revised Shapley-Ames Catalogue (RSA) keeping objects with δ>-10deg and V0<3000km/s, rejecting SB0's and Local Group dwarfs. The data were mainly derived from our CCD observations at Observatoire de Haute-Provence: the camera allowed fields of 4x7arcmin (or 7x7 from the last run), the seeing being generally in the 2-3arcsec FWHM range. The measurements include the isophotal analysis according to Carter's (1978) principles, and the photometric profiles along the two main axis. Opposite semi-axis are measured separately to detect asymmetries. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file rsafram 87 213 Observed galaxies and characteristics of the frame with available data rsamorp 88 108 Main results of the morphological analysis of the studied galaxies. First list. (table2 of 1994A&AS..105..481M) rsaphot 75 108 Main results of the morphological analysis of the studied galaxies. Second list. (table3 of 1994A&AS..105..481M) rsamuls1 111 214 Initial parameters for photometric measurements rsamuls2 46 15479 Average magnitudes on axis rsamuls3 49 15396 Differences between sectors rsamuls4 50 14967 Gradients on the two axis rsaresu1 103 214 Initial parameters for isophotal analysis rsaresu2 93 15182 Isophote parameters
See also: VII/51 : Revised Shapley-Ames Catalog of Bright Galaxies (Sandage+, 1981) Byte-by-byte Description of file: rsafram
Bytes Format Units Label Explanations
1- 3 A3 --- --- [NGC] Prefix of name 5- 8 I4 --- NGC NGC number 11 A1 --- Color Color of frame 14- 18 A5 --- Code Code number of frame 20- 27 A8 --- Type Hubble type from the Revised Shapley-Ames Catalogue (RSA) 31- 33 A3 --- Inst. Instrumentation (1) 36- 39 F4.2 arcsec FWHM FWHM of Point Spread Function in arc sec 41- 45 F5.2 mag/arcsec2 SkyBr Sky brightness 47- 49 I3 arcsec Maj Major axis of external fully analysed isophote 51- 55 F5.2 mag/arcsec2 IsoBr Brightness of the same isophote, 58- 87 A30 --- Notes Individual notes (2)
Note (1): hpc 120 cm in Haute-Provence with CCD hpp id. with IIaO plates t2r 2 m at Pic du Midi, f/10 or f/8 reducer with CCD t2f id. , f/2.5 or f/3.5 reducer with CCD Note (2): (1) Frames from the Toulouse team, kindly provided by P. Poulain. (2) Photometric calibration from Michard and Simien, 1988. (3) Photometric calibration from Michard, 1985. (4) Galaxian center saturated. (5) Frames kindly obtained for us by P. Prugniel. (6) Frames kindly obtained for us by F. Simien.
Byte-by-byte Description of file: rsamorp
Bytes Format Units Label Explanations
2- 5 I4 --- NGC NGC Number 7- 14 A8 --- RSA Revised Shapley-Ames Catalogue Hubble type 16- 17 I2 --- T RC2 index (de Vaucouleurs Revised Morphological Type) 19- 20 A2 --- Ph Photometric evidence for bulk-disk st = strong, ft = faint, cl = clear, no = not seen 22- 25 F4.2 --- qmin Minimum axis ratio 27- 30 F4.2 [arcsec] log(aq) Major axis of the isophote where qmin was taken 32- 35 F4.1 --- e*4 Carter coefficient of e4 37- 40 F4.1 --- e*6 Carter coefficient of e6 measured at the same place as e*4 42- 45 F4.2 --- q25 Value of the axis ratio for the isophote mu=25 in V light 47- 48 I2 --- DeltaPA Amplitude of the twist of the isophotes 51- 53 A3 --- Bar Presence of a bar (bar or no) 55- 57 A3 --- Dust Presence of dust duR = dust ring, duL = dust lane du- if of uncertain geometry, ??? if uncertainty, no = no detection 59- 62 A4 --- Disk Nature of disk emDi = embedded disk, exDi = extended disk miDi = mixed disk, no = no detection ?Di if of dubful extension 64- 66 A3 --- R/L Ring or lens presence rl- = inner ring, -oL = outer lens, roL = both seen, no = no detection 68- 70 A3 --- Spi Spiral pattern presence spP = possible spiral pattern, no = no detection 73- 75 A3 --- Env Envelope classification spH = spheroidal halo, thD = thick disk exD = extended disk, pec = peculiar envelope ? if not classified 77- 80 A4 --- Asy Miscellaneous structure asyC = asymmetries with color effects asyG = asymmetries without color effects asy? = color class unknown no = no significant detected structure ? no suitable observations 83- 88 A6 --- type Revised Hubble type, completed for E objects. diE = disky E, boE = boxyE, unE if of undeterminate subclass p added if the object has a peculiar envelope SAO, SAB0, SB0 as in the RC2, except that the r, s varieties are not noted
Byte-by-byte Description of file: rsaphot
Bytes Format Units Label Explanations
2- 5 I4 --- NGC NGC number 8- 9 I2 --- T RC2 index (de Vaucouleurs Revised Morphological Type) 11- 15 A5 --- Type Revised and complete morphological classification of rsamorp 17- 21 F5.2 mag VT Asymptotic magnitude either measured from our V frames, or sometimes converted form B frames through the RC2 B-V colors 23- 26 F4.2 [kpc] log(r*e) de Vaucouleurs radius 28- 31 F4.2 [kpc] log(l*e) Corresponding semi-major axis 33- 37 F5.2 mag/arcmin2 mu*e(V) Mean surface brightness of the effective isophote in V light 39- 43 F5.2 mag mu0 Adopted distance modulus 45- 49 F5.2 mag BT0 Asymptotic magnitude converted to B light 50- 55 F6.2 mag MT(B) Absolute magnitude 57- 60 F4.2 [kpc] log(R*e) Mean radius of the effective isophote 62- 66 F5.2 mag/arcmin2 mu*e(B) Mean surface brightness of the effective isophote in B light 68- 71 F4.2 [0.1arcmin] logD25 RC2-like parameter 73- 75 F3.2 --- logR25 RC2-like parameter
Byte-by-byte Description of file: rsamuls1
Bytes Format Units Label Explanations
1 A1 --- --- [n] Prefix for NGC number 2- 5 I4 --- NGC NGC number 6 A1 --- Color Color of the observation 8- 13 A6 --- Frame Serial number for the frame 18- 23 A6 --- OtherName Other name 31- 36 F6.4 arcsec size pixel size 42- 49 F8.5 pix FWHM FWHM of the PSF 51- 52 I2 --- Nharm number of harmonics in Carter's isophotal representation (always 10) 54- 55 I2 --- Niso number of isophotes in the table 57- 63 F7.2 --- p1 Parameter used to describe the sky level (1) 67- 79 E13.3 --- p2 Parameter used to describe the sky level (1) 81- 87 F7.4 mag cal calibration constant 89- 95 F7.4 mag pSuBr peak surface brightness of the galaxy 100-107 F8.5 mag SuBr surface brightness of the faintest measured isophote
Note (1): Those parameters are in frame units and of "house keeping" interest
Byte-by-byte Description of file: rsamuls2
Bytes Format Units Label Explanations
1 A1 --- --- [n] Prefix for NGC number 2- 5 I4 --- NGC NGC number 6 A1 --- Color Color of the observation 8- 13 A6 --- Frame Serial number for the frame 15- 20 F6.2 arcsec a major axis of contour 23- 28 F6.3 mag SuBra surface brightness corresponding to major axis of contour 32- 37 F6.2 arcsec b minor axis of contour 40- 45 F6.3 mag SuBrb surface brightness corresponding to minor axis of contour
Byte-by-byte Description of file: rsamuls3
Bytes Format Units Label Explanations
1 A1 --- --- [n] Prefix for NGC number 2- 5 I4 --- NGC NGC number 6 A1 --- Color Color of the observation 8- 13 A6 --- Frame Serial number for the frame 19- 24 F6.2 arcsec Dmaj Distance from center along major axis 27- 32 F6.3 mag Dsubrmaj Difference of surface brightness at opposite major axis positions of the given central distance 36- 41 F6.2 arcsec Dmin Distance from center along minor axis 44- 49 F6.3 mag Dsubrmin Difference of surface brightness at opposite minor axis positions of the given central distance
Byte-by-byte Description of file: rsamuls4
Bytes Format Units Label Explanations
1 A1 --- --- [n] Prefix for NGC number 2- 5 I4 --- NGC NGC number 6 A1 --- Color Color of the observation 8- 13 A6 --- Frame Serial number for the frame 21- 26 F6.2 arcsec a major axis of contour 28- 34 F7.4 mag/arcsec GradSuBra Gradient of surface brightness along major axis 37- 42 F6.2 arcsec b minor axis of contour 44- 50 F7.4 mag/arcsec GradSuBrb Gradient of surface brightness along minor axis
Byte-by-byte Description of file: rsaresu1
Bytes Format Units Label Explanations
1 A1 --- --- [n] Prefix for NGC number 2- 5 I4 --- NGC NGC number 6 A1 --- Color Color of the observation 8- 13 A6 --- Frame Serial number for the frame 16- 21 F6.4 arcsec size Pixel size 23- 30 F8.5 pix FWHM FWHM of the PSF 32- 33 I2 --- Nharm Number of harmonics in Carter's isophotal representation (always 10) 35- 36 I2 --- Niso Number of isophotes in the table 38- 44 F7.2 --- p1 Parameter used to describe the sky level (1) 46- 47 I2 --- p2 Parameter used to describe the sky level (1) 49- 61 E13.5 --- p3 Parameter used to describe the sky level (1) 63- 69 F7.4 mag Cal Calibration constant 71- 78 F8.2 --- Pint Peak intensity of the galaxy (2) 80- 84 F5.2 --- isof Level of faintest measures isophote (2) 86- 92 F7.4 mag PSuBr Peak surface brightness of the galaxy 94-103 F10.7 mag SuBrf []? Surface brightness of the faintest measured isophote
Note (1): Those parameters are in frame units and of "house keeping" interest Note (2): Those parameters are in frame units
Byte-by-byte Description of file: rsaresu2
Bytes Format Units Label Explanations
1 A1 --- --- [n] Prefix for NGC number 2- 5 I4 --- NGC NGC number 6 A1 --- Color Color of the observation 8- 13 A6 --- Frame Serial number for the frame 18- 21 I4 --- Npix Number of pixels used to describe the isophote 23- 28 F6.2 arcsec MaRE Major axis of the Reference Ellipse (RE) 30- 32 I3 10-3 rRE Axis ratio of the RE 35- 40 F6.2 deg PArRE Position angle of the major axis of the RE 42- 46 I5 10-4 C4 Coefficient of the 4th cosine harmonic 48- 51 I4 10-4 C6 Coefficient of the 6th cosine harmonic 53- 56 I4 10-4 C8 Coefficient of the 8th cosine harmonic 58- 61 I4 10-4 C10 Coefficient of the 10th cosine harmonic 63- 66 I4 10-4 C3 Coefficient of the 3rd cosine harmonic 68- 71 I4 10-4 S3 Coefficient of the 3rd sine harmonic 73- 76 I4 10-4 S2 Coefficient of the 2nd sine harmonic. This coefficient is expected to be zero if the isophote is reasonnably well defined. Significant values occur at low surface brightness and indicate a poor isophote representation. 78- 81 I4 10-4 S4 Coefficient of the 4th sine harmonic 83- 86 I4 10-4 S6 Coefficient of the 6th sine harmonic 88- 93 F6.3 mag/arcsec2 SuBr Surface brightness of the isophote
References: Carter D., 1978, MNRAS 182, 797 de Vaucouleurs G. et al., 1976, Second Reference Catalogue of Bright Galaxies, Univ. Texas Publ. Michard R., Marchal J., 1994, A&A 283, 779 Michard R., Marchal J., 1994, A&AS 105 481 Michard R., Marchal J., 1993, A&AS 98, 29 Sandage A. & Tammann G., 1981, Revised Shapley-Ames Catalogue of Bright Galaxies, Cargenie Inst. of Washington (Cat. VII/51)
(End) Patricia Bauer [CDS] 14-Sep-1994
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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