12420+0648 BU  924 (31 Vir)

 
 
12h 41m 57.16s +06 48' 23.9" P.A. 40 sep 3.8 mag 5.57,10.10 Sp A2V dist. 71.53 pc (233.33 l.y.)
 
 
Coord 2000
12420+0648
Discov num
BU  924
Comp
Coord arcsec 2000
12 41 57.16 +06 48 23.9
Date first
1879
Date last
1993
Obs
25
Pa first
29
Pa last
40
P.A. Now (θ)
40°
Sep first
3.6
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
5.57
Mag sec
10.10
delta mag (ΔM)
4.53
Spectral class
A2V (white)
Pri motion ra
-067
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.7
Precise sep
3.8
Name
31 Vir
Other name
d1 Vir
Constellation
Virgo
SAO
119538
HIP
61968
Tycho2
0296-01051-1
HD
110423
HR
4829
GC
17279
BD
BD+07 2568
Flamsteed
31 Virginis
Flamsteed name
31 Vir
Distance
71.53
Distance ly
233.33
last precise pa
39.7
last precise sep
3.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12420+0648 BU 924 1993 25 40 3.8 5.60 10.10 A2V N 124157.16+064823.9

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