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II/20A
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II/20A
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Distance ρ
Position angle θ
Distance (x,y)
Galactic
J2000
B1950
Ecl. J2000
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Simple Target
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Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
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B1875
B1855
Galactic
Supergal.
Ecl.J2000
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deg
arcmin
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II/20A
4920
UBV Photometry of O and B Stars in Vela (Denoyelle 1977)
ReadMe+ftp
1977A&AS...27..343D
Similar Catalogs
Post annotation
1.
II/20A/catalog
(c)
Results (table 3 of the paper), completed with accurate position and designation
(381 rows)
meta
II/20A/catalog
2.
II/20A/remarks
Original remarks (added in July 2016)
(120 rows)
meta
II/20A/remarks
3.
II/20A/notes
Remarks about star identifications in the course of position retrieval (added in July 2016)
(44 rows)
meta
II/20A/notes
Simple Constraint
List Of Constraints
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Constraints
applied on Columns
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Column
Constraint
Explain
(
UCD
)
(1)
A(V)
mag
(n)
A(V) parameter = 3E(B-V)
(
phys.absorption
)
(
PHOT_EXTINCTION_ISM
)
(1)
B-V
mag
(n)
(B-V) color index
(
phot.color;em.opt.B;em.opt.V
)
(
PHOT_JHN_B-V
)
(1)
CPD
(char)
Cape Photographic Durchmusterung (or CD)
(
meta.id
)
(
ID_ALTERNATIVE
)
(1)
_DE.icrs
deg
(n)
(i)
Declination (ICRS) (computed by VizieR, not part of the original data)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
(1)
DEJ2000
"d:m:s"
(n)
Declination J2000, Ep=J2000
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
(1)
E(B-V)
mag
(n)
(B-V) colour excess
(
phot.color.excess
)
(
PHOT_COLOR_EXCESS
)
(1)
em
(char)
[ E] E = Hα emission noted on red plates
(
meta.note
)
(
SPECT_PECUL
)
(1)
f_Sname
(char)
*
indicates an insecure identification, and
N
a note about the identification
(
meta.code
)
(
CODE_MISC
)
(1)
GLAT
deg
Galactic latitude
(
pos.galactic.lat
)
(
POS_GAL_LAT
)
(1)
GLON
deg
Galactic longitude
(
pos.galactic.lon
)
(
POS_GAL_LON
)
(1)
HD
(n)
HD number
(
meta.id
)
(
ID_ALTERNATIVE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
m-M
mag
(n)
Distance modulus
(
phot.mag.distMod
)
(
PHOT_DIST-MOD
)
(ALL)
m_Seq
(n)
[1/5] Multiplicity index to star
(
meta.code.multip
)
(
CODE_MULT_INDEX
)
(1)
Name2
(char)
Other name
(
meta.id
)
(
ID_ALTERNATIVE
)
(1)
n_CPD
(char)
[ *] * = Cordoba Durchmusterung designation
(
meta.note
)
(
NOTE
)
(1)
Nobs
Number of observations
(
meta.number
)
(
NUMBER
)
(1)
Q
mag
(n)
Q parameter = (U-B)-0.72 (B-V)
(
phot.color.reddFree
)
(
PHOT_RF_Q
)
(1)
R
pc
(n)
Distance of the star
(
pos.distance;pos.heliocentric
)
(
POS_GAL_HC
)
(1)
_RA.icrs
deg
(n)
(i)
Right ascension (ICRS) (computed by VizieR, not part of the original data)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
(1)
RAJ2000
"h:m:s"
(n)
Right Ascension J2000, Ep=J2000
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(1)
rem
(char)
[ *] comment in file "
remarks.dat
"
(
meta.note
)
(
REMARKS
)
(1)
r_Sp
(n)
[1,8] Number of the source for MK Dp.
(
meta.ref
)
(
REFER_CODE
)
(ALL)
Seq
[1/358] Running number
(
meta.id;meta.main
)
(
ID_MAIN
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
Sname
(char)
Name understandable by Simbad
(
meta.id
)
(
ID_ALTERNATIVE
)
(1)
Sp
(char)
MK or HD spectral classification
(
src.spType
)
(
SPECT_TYPE_MK
)
(1)
Sp2
(char)
Spectral type obtained from Q method
(
src.spType
)
(
SPECT_TYPE_GENERAL
)
(1)
U-B
mag
(n)
(U-B) color index
(
phot.color;em.opt.U;em.opt.B
)
(
PHOT_JHN_U-B
)
(1)
u_B-V
(char)
[ (] Uncertainty flag for B-V
(
meta.code.error;phot.color;em.opt.B
)
(
CODE_ERROR
)
(1)
u_U-B
(char)
[ (] Uncertainty flag for U-B
(
meta.code.error;phot.color;em.opt.U
)
(
CODE_ERROR
)
(1)
u_Vmag
(char)
[ ()] Uncertainty flag for V
(
meta.code.error
)
(
CODE_ERROR
)
(1)
Vmag
mag
(n)
[2.4/14.5] V magnitude
(
phot.mag;em.opt.V
)
(
PHOT_JHN_V
)
(1)
Z
pc
Distance from the galactic plane [R*sin(GLAT)]
(
pos.cartesian.z;pos.galactic
)
(
POS_GAL_Z
)
(2+3)
Text
(char)
Text of note (original notes in "
remarks.dat
", notes added at CDS about problematic star identification in "
notes.dat
")
(
meta.note
)
(
REFER_TEXT
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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