10398-2728 B   202

 
 
10h 39m 45.98s -27 27' 51.6" P.A. 315 sep 2.5 mag 9.97,11.78 Sp A9V
 
 
Coord 2000
10398-2728
Discov num
B   202
Comp
Coord arcsec 2000
10 39 45.98 -27 27 51.6
Date first
1927
Date last
1991
Obs
4
Pa first
316
Pa last
315
P.A. Now (θ)
315°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.97
Mag sec
11.78
delta mag (ΔM)
1.81
Spectral class
A9V (white)
Pri motion ra
-010
Sec motion ra
-010
Pri motion dec
-011
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
314.6
Precise sep
2.46
Constellation
Hydra
Tycho2
6641-00564-1
HD
92417
last precise pa
314.6
last precise sep
2.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10398-2728 B 202 1991 4 315 2.5 9.97 11.78 A9V 103945.98-272751.6

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