12400+1239 HDS1774

 
 
12h 39m 59.37s +12 38' 32.0" P.A. 65 sep 0.4 mag 10.00,12.90 Sp G0 dist. 150.83 pc (492.01 l.y.)
 
 
Coord 2000
12400+1239
Discov num
HDS1774
Comp
Coord arcsec 2000
12 39 59.37 +12 38 32.0
Date first
1991
Date last
2016
Obs
7
Pa first
56
Pa last
65
P.A. Now (θ)
65°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.00
Mag sec
12.90
delta mag (ΔM)
2.9
Spectral class
G0 (yellow)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-317
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
64.7
Precise sep
0.436
Constellation
Virgo
SAO
100198
HIP
61802
Tycho2
0881-00798-1
BD
BD+13 2567
Distance
150.83
Distance ly
492.01
last precise pa
64.7
last precise sep
0.436
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12400+1239 HDS1774 1991 1 56 0.4 10.00 12.90 G0 123959.37+123834.9
12400+1239 HDS1774 2009 3 64 0.4 10.00 12.90 G0 D 123959.37+123834.9
12400+1239 HDS1774 2010 4 65 0.4 10.00 12.90 G0 123959.37+123834.9
12400+1239 HDS1774 2011 6 64 0.4 10.00 12.90 G0 123959.37+123832.0
12400+1239 HDS1774 2016 7 65 0.4 10.00 12.90 G0 123959.37+123832.0

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