15521-0554 HJ 1279

 
 
15h 52m 09.28s -05 54' 06.7" P.A. 180 sep 17.9 mag 11.00,12.80
 
 
Coord 2000
15521-0554
Discov num
HJ 1279
Comp
Coord arcsec 2000
15 52 09.28 -05 54 06.7
Date first
1828
Date last
2010
Obs
5
Pa first
175
Pa last
180
P.A. Now (θ)
180°
Sep first
15.0
Sep last
17.9
Sep. Now (ρ)
17.9"
Mag pri
11.00
Mag sec
12.80
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
-016
Sec motion ra
-012
Pri motion dec
-002
Sec motion dec
-012
Notes
R (Red magnitudes)
rPM=0.635
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.9
Precise sep
17.87
Constellation
Libra
last precise pa
181.7
last precise sep
17.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15521-0554 HJ 1279 1999 2 180 17.9 10.00 13.00 D 155209.28-055406.7
15521-0554 HJ 1279 2000 3 181 18.0 10.00 13.00 D 155209.28-055406.7
15521-0554 HJ 1279 2010 5 180 17.7 11.00 12.80 R 155209.28-055406.7

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