10199-2121 HLD 102

 
 
10h 19m 55.79s -21 20' 50.1" P.A. 172 sep 1.6 mag 9.93,10.50 Sp G0/1V
 
 
Coord 2000
10199-2121
Discov num
HLD 102
Comp
Coord arcsec 2000
10 19 55.79 -21 20 50.1
Date first
1882
Date last
1991
Obs
13
Pa first
170
Pa last
172
P.A. Now (θ)
172°
Sep first
2.0
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.93
Mag sec
10.50
delta mag (ΔM)
0.57
Spectral class
G0/1V (yellow)
Pri motion ra
-037
Sec motion ra
-037
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.8
Precise sep
1.575
Constellation
Hydra
Tycho2
6072-00897-1
HD
89580
last precise pa
171.8
last precise sep
1.575
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10199-2121 HLD 102 1991 13 172 1.6 9.93 10.50 G0/1V 101955.79-212050.1

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