15381-2205 B  1789

 
 
15h 38m 05.36s -22 04' 30.2" P.A. 49.00 sep 2.5 mag 10.16,14.20
 
 
Coord 2000
15381-2205
Discov num
B  1789
Comp
Coord arcsec 2000
15 38 05.36 -22 04 30.2
Date first
1930
Date last
2015
Obs
2
Pa first
52
Pa last
49
P.A. Now (θ)
49°
Sep first
2.4
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
10.16
Mag sec
14.20
delta mag (ΔM)
4.04
Spectral class
Pri motion ra
+004
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.8
Precise sep
2.486
Constellation
Libra
Tycho2
6197-00504-1
Gaia DR2
6241188231053088768
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15381-2205 B 1789 1930 1 52 2.4 10.16 14.20 153805.36-220430.2
15381-2205 B 1789 2015 2 49 2.5 10.16 14.20 153805.36-220430.2

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