10216-2232 BU  219

 
 
10h 21m 35.86s -22 31' 42.7" P.A. 186 sep 1.8 mag 6.70,8.52 Sp A1V dist. 165.29 pc (539.18 l.y.)
 
 
Coord 2000
10216-2232
Discov num
BU  219
Comp
Coord arcsec 2000
10 21 35.86 -22 31 42.7
Date first
1874
Date last
1996
Obs
28
Pa first
194
Pa last
186
P.A. Now (θ)
186°
Sep first
1.2
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
6.70
Mag sec
8.52
delta mag (ΔM)
1.82
Spectral class
A1V (white)
Pri motion ra
-038
Sec motion ra
-038
Pri motion dec
+009
Sec motion dec
+009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.4
Precise sep
1.799
Constellation
Hydra
SAO
178723
HIP
50739
Tycho2
6619-00269-1
HD
89828
HR
4073
BD
BD-21 3045
Distance
165.29
Distance ly
539.18
last precise pa
186.4
last precise sep
1.799
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10216-2232 BU 219 1996 28 186 1.8 6.70 8.52 A1V D 102135.86-223142.7

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