15306-5807 HJ 4771

 
 
15h 30m 34.32s -58 06' 27.5" P.A. 187.00 sep 5.4 mag 8.54,8.80 Sp A2V
 
 
Coord 2000
15306-5807
Discov num
HJ 4771
Comp
Coord arcsec 2000
15 30 34.32 -58 06 27.5
Date first
1835
Date last
2016
Obs
14
Pa first
187
Pa last
187
P.A. Now (θ)
187°
Sep first
4.0
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
8.54
Mag sec
8.80
delta mag (ΔM)
0.26
Spectral class
A2V (white)
Pri motion ra
-022
Sec motion ra
Pri motion dec
-072
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.9
Precise sep
5.405
Constellation
Norma
Tycho2
8703-00229-1
Gaia DR2
5882218437921968768
HD
137772
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15306-5807 HJ 4771 2001 10 187 5.4 8.54 8.80 A2V D 153034.32-580627.5
15306-5807 HJ 4771 2010 11 188 5.3 8.54 8.80 A2V 153034.32-580627.5
15306-5807 HJ 4771 2015 12 187 5.4 8.54 8.80 A2V 153034.32-580627.5

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