15559+0016 BAL1178

 
 
15h 55m 52.62s +00 15' 59.9" P.A. 10.00 sep 16.6 mag 11.68,11.42
 
 
Coord 2000
15559+0016
Discov num
BAL1178
Comp
Coord arcsec 2000
15 55 52.62 +00 15 59.9
Date first
1902
Date last
2015
Obs
13
Pa first
5
Pa last
10
P.A. Now (θ)
10°
Sep first
15.3
Sep last
16.6
Sep. Now (ρ)
16.6"
Mag pri
11.68
Mag sec
11.42
delta mag (ΔM)
0.26
Spectral class
Pri motion ra
-039
Sec motion ra
-020
Pri motion dec
-008
Sec motion dec
-003
Notes
rPM=0.493
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.8
Precise sep
16.647
Constellation
Hydra
SAO
140840
Tycho2
0353-00509-1
Gaia DR2
4410733092881224192
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15559+0016 BAL1178 2000 4 9 16.6 11.75 11.42 D 155552.62+001559.9
15559+0016 BAL1178 2014 6 10 16.7 11.68 11.42 155552.62+001559.9
15559+0016 BAL1178 2015 9 10 16.6 11.68 11.42 155552.62+001559.9

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