17387-2155 HDS2492

 
 
17h 38m 44.87s -21 54' 45.4" P.A. 33 sep 0.1 mag 6.60,8.04 Sp G6III/IV dist. 123.76 pc (403.71 l.y.)
 
 
Coord 2000
17387-2155
Discov num
HDS2492
Comp
Coord arcsec 2000
17 38 44.87 -21 54 45.4
Date first
1991
Date last
2014
Obs
3
Pa first
18
Pa last
33
P.A. Now (θ)
33°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.60
Mag sec
8.04
delta mag (ΔM)
1.44
Spectral class
G6III/IV (yellow)
Pri motion ra
-034
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
32.6
Precise sep
0.138
Constellation
Ophiuchus
SAO
185584
HIP
86352
Tycho2
6260-01990-1
HD
160042
BD
BD-21 4682
Distance
123.76
Distance ly
403.71
last precise pa
32.6
last precise sep
0.138
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17387-2155 HDS2492 1991 1 18 0.1 6.60 8.04 G6III/IV 173844.87-215445.4
17387-2155 HDS2492 2014 3 33 0.1 6.60 8.04 G6III/IV 173844.87-215445.4

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