15489-0137 BAL 560

 
 
15h 48m 49.85s -01 37' 27.8" P.A. 196.00 sep 7.5 mag 12.24,12.58
 
 
Coord 2000
15489-0137
Discov num
BAL 560
Comp
Coord arcsec 2000
15 48 49.85 -01 37 27.8
Date first
1892
Date last
2016
Obs
10
Pa first
198
Pa last
196
P.A. Now (θ)
196°
Sep first
7.4
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
12.24
Mag sec
12.58
delta mag (ΔM)
0.34
Spectral class
Pri motion ra
+004
Sec motion ra
-009
Pri motion dec
-010
Sec motion dec
-017
Notes
B (Blue magnitudes)
rPM=0.768
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195.8
Precise sep
7.498
Constellation
Serpens
Gaia DR2
4403356675530000128
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15489-0137 BAL 560 1999 2 196 7.5 12.24 12.58 DB 154849.85-013727.8
15489-0137 BAL 560 2000 3 196 7.5 12.24 12.58 DB 154849.85-013727.8
15489-0137 BAL 560 2010 4 196 6.8 12.24 12.58 B 154849.85-013727.8
15489-0137 BAL 560 2015 5 196 7.5 12.24 12.58 B 154849.85-013727.8

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