10022-1946 B   781

 
 
10h 02m 11.55s -19 46' 00.0" P.A. 343 sep 2.3 mag 10.06,10.72 Sp F2V dist. 249.38 pc (813.48 l.y.)
 
 
Coord 2000
10022-1946
Discov num
B   781
Comp
Coord arcsec 2000
10 02 11.55 -19 46 00.0
Date first
1927
Date last
2008
Obs
16
Pa first
344
Pa last
343
P.A. Now (θ)
343°
Sep first
2.4
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
10.06
Mag sec
10.72
delta mag (ΔM)
0.66
Spectral class
F2V (yellow-white)
Pri motion ra
+007
Sec motion ra
-012
Pri motion dec
-037
Sec motion dec
-014
Notes
N (See Notes)
rPM=0.792
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
343
Precise sep
2.32
Constellation
Hydra
SAO
155674
HIP
49177
Tycho2
6054-00333-2
HD
87052
BD
BD-19 2895
Distance
249.38
Distance ly
813.48
last precise pa
343
last precise sep
2.32
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10022-1946 B 781 1992 14 342 2.4 10.06 10.72 F2V D 100211.55-194600.0
10022-1946 B 781 2008 15 343 2.3 10.06 10.72 F2V D 100211.55-194600.0

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