10389+2712 COU 778

 
 
10h 38m 51.99s +27 11' 55.6" P.A. 122 sep 0.7 mag 9.87,12.40 Sp A2
 
 
Coord 2000
10389+2712
Discov num
COU 778
Comp
Coord arcsec 2000
10 38 51.99 +27 11 55.6
Date first
1972
Date last
2008
Obs
3
Pa first
121
Pa last
122
P.A. Now (θ)
122°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.87
Mag sec
12.40
delta mag (ΔM)
2.53
Spectral class
A2 (white)
Pri motion ra
-021
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122.2
Precise sep
0.697
Constellation
Leo Minor
Tycho2
1979-00004-1
HD
92159
last precise pa
122.2
last precise sep
0.697
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10389+2712 COU 778 1986 2 124 1.1 9.87 12.40 A2 103851.99+271155.6
10389+2712 COU 778 2008 3 122 0.7 9.87 12.40 A2 103851.99+271155.6

If you need more information about this double, apply for a data request form to the WDS.