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Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)
ReadMe
The main part of the Catalogue
(9110 rows)
HR===1005
Column
Value
Explain
(
UCD
)
_RAJ2000
03 21 13.6
"h:m:s"
Right ascension (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DEJ2000
+21 08 49
"d:m:s"
Declination (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
_RAB1950
03 18 20.1
"h:m:s"
Right ascension (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DEB1950
+20 58 05
"d:m:s"
Declination (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
_Glon
163.6573
deg
Galactic longitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.galactic.lon
)
(
POS_GAL_LON
)
_Glat
-29.6362
deg
Galactic latitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.galactic.lat
)
(
POS_GAL_LAT
)
HR
1005
[1/9110] Harvard Revised Number = Bright Star Number (
meta.id;meta.main
)
(
ID_MAIN
)
Name
61Tau1Ari
Name, generally Bayer and/or Flamsteed name (
meta.id
)
(
ID_ALTERNATIVE
)
DM
BD+20 543
Durchmusterung Identification (zone in bytes 17-19) (
meta.id
)
(
ID_ALTERNATIVE
)
HD
20756
[1/225300] Henry Draper Catalog Number (
meta.id
)
(
ID_ALTERNATIVE
)
SAO
75886
[1/258997] SAO Catalog Number (
meta.id
)
(
ID_ALTERNATIVE
)
FK5
1094
FK5 star Number (
meta.id
)
(
ID_ALTERNATIVE
)
IRflag
[I] I if infrared source (
meta.note
)
(
REMARKS
)
r_IRflag
[ ':] Coded reference for infrared source
(Note)
(
meta.ref
)
(
REFER_CODE
)
Multiple
W
[AWDIRS] Double or multiple-star code
(Note)
(
meta.note
)
(
REMARKS
)
ADS
Aitken's Double Star Catalog (ADS) designation (
meta.id
)
(
ID_ALTERNATIVE
)
ADScomp
ADS number components (
meta.id
)
(
ID_ALTERNATIVE
)
VarID
Variable star identification (
meta.id
)
(
ID_VARIAB
)
RAJ2000
03 21 13.6
"h:m:s"
Hours RA, equinox J2000, epoch 2000.0
(Note 1)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
+21 08 49
"d:m:s"
Sign Dec, equinox J2000, epoch 2000.0
(Note 1)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
GLON
163.66
deg
Galactic longitude
(Note 1)
(
pos.galactic.lon
)
(
POS_GAL_LON
)
GLAT
-29.64
deg
Galactic latitude
(Note 1)
(
pos.galactic.lat
)
(
POS_GAL_LAT
)
Vmag
5.28
mag
Visual magnitude
(Note 1)
(
phot.mag;em.opt.V
)
(
PHOT_JHN_V
)
n_Vmag
[ HR] Visual magnitude code
(Note)
(
meta.note
)
(
NOTE
)
u_Vmag
[ :?] Uncertainty flag on V (
meta.code.error
)
(
CODE_ERROR
)
B-V
-0.07
mag
B-V color in the UBV system (
phot.color;em.opt.B;em.opt.V
)
(
PHOT_JHN_B-V
)
u_B-V
[ :?] Uncertainty flag on B-V (
meta.code.error
)
(
CODE_ERROR
)
U-B
-0.52
mag
U-B color in the UBV system (
phot.color;em.opt.U;em.opt.B
)
(
PHOT_JHN_U-B
)
u_U-B
[ :?] Uncertainty flag on U-B (
meta.code.error
)
(
CODE_ERROR
)
R-I
mag
R-I in system specified by n_R-I (
phot.color;em.opt.R;em.opt.I
)
(
PHOT_CI_R-I
)
n_R-I
[CE:?D] Code for R-I system (Cousin, Eggen) (
meta.note
)
(
NOTE
)
SpType
B5IV
Spectral type (
src.spType
)
(
SPECT_TYPE_GENERAL
)
n_SpType
[evt] Spectral type code (
meta.note
)
(
NOTE
)
pmRA
0.025
arcsec/yr
Annual proper motion in RA J2000, FK5 system (
pos.pm;pos.eq.ra
)
(
POS_EQ_PMRA
)
pmDE
-0.024
arcsec/yr
Annual proper motion in Dec J2000, FK5 system (
pos.pm;pos.eq.dec
)
(
POS_EQ_PMDEC
)
n_Parallax
[D] D indicates a dynamical parallax, otherwise a trigonometric parallax (
meta.note
)
(
NOTE
)
Parallax
arcsec
Trigonometric parallax (unless n_Parallax) (
pos.parallax.trig
)
(
POS_PARLX_TRIG
)
RadVel
14
km/s
Heliocentric Radial Velocity (
phys.veloc;pos.heliocentric
)
(
VELOC_HC
)
n_RadVel
V
[V?SB123O ] Radial velocity comments
(Note)
(
meta.note
)
(
NOTE
)
l_RotVel
[<=> ] Rotational velocity limit characters (
meta.code.error
)
(
CODE_LIMIT
)
RotVel
20
km/s
Rotational velocity, v sin i (
phys.veloc.rotat
)
(
VELOC_ROTAT
)
u_RotVel
[ :v] uncertainty and variability flag on RotVel (
meta.code.error
)
(
CODE_ERROR
)
Dmag
2.5
mag
Magnitude difference of double, or brightest multiple (
phot.mag;arith.diff
)
(
PHOT_DIFF_MAG
)
Sep
0.2
arcsec
Separation of components in Dmag if occultation binary. (
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
MultID
O
Identifications of components in Dmag (
meta.code.multip
)
(
CODE_MULT_INDEX
)
MultCnt
3
Number of components assigned to a multiple (
meta.number
)
(
NUMBER
)
NoteFlag
*
[*] a star indicates that there is a note (see file notes) (
meta.note
)
(
REMARKS
)
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