15399-2803 B  2790

 
 
15h 39m 51.73s -28 02' 34.5" P.A. 132 sep 8.9 mag 9.09,14.60 Sp K3/4III:
 
 
Coord 2000
15399-2803
Discov num
B  2790
Comp
Coord arcsec 2000
15 39 51.73 -28 02 34.5
Date first
1930
Date last
2000
Obs
3
Pa first
135
Pa last
132
P.A. Now (θ)
132°
Sep first
8.0
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
9.09
Mag sec
14.60
delta mag (ΔM)
5.51
Spectral class
K3/4III: (yellow-orange)
Pri motion ra
-013
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
131.8
Precise sep
8.876
Cdsa2 id
B 2790
Constellation
Libra
SAO
183675
Tycho2
6785-00082-1
HD
139577
Ra deg
15.664369444444445
De deg
-28.042916666666667
last precise pa
131.8
last precise sep
8.876
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15399-2803 B 2790 1930 1 135 8.0 9.09 14.60 K3/4III: 153951.73-280234.5
15399-2803 B 2790 2000 3 132 8.9 9.09 14.60 K3/4III: 153951.73-280234.5

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