15587-3910 HJ 4822

 
 
15h 58m 39.34s -39 10' 00.6" P.A. 271 sep 9.8 mag 11.31,11.35 Sp A2V+A2V
 
 
Coord 2000
15587-3910
Discov num
HJ 4822
Comp
Coord arcsec 2000
15 58 39.34 -39 10 00.6
Date first
1834
Date last
2015
Obs
12
Pa first
271
Pa last
271
P.A. Now (θ)
271°
Sep first
5.0
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
11.31
Mag sec
11.35
delta mag (ΔM)
0.04
Spectral class
A2V+A2V (white/white)
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
-002
Sec motion dec
+000
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270.8
Precise sep
9.77
Constellation
Lupus
Tycho2
7838-00217-1
last precise pa
270.8
last precise sep
9.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15587-3910 HJ 4822 1999 8 271 9.9 11.31 11.35 A2V A2V N D 155839.34-391000.6
15587-3910 HJ 4822 2010 11 270 9.9 11.31 11.35 A2V+A2V NV 155839.34-391000.6
15587-3910 HJ 4822 2015 12 271 9.8 11.31 11.35 A2V+A2V NV 155839.34-391000.6

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