15284-5222 RST 772

 
 
15h 28m 21.42s -52 22' 26.8" P.A. 128.00 sep 5.3 mag 8.85,13.50 Sp B7/8IV/V
 
 
Coord 2000
15284-5222
Discov num
RST 772
Comp
Coord arcsec 2000
15 28 21.42 -52 22 26.8
Date first
1930
Date last
2015
Obs
5
Pa first
130
Pa last
128
P.A. Now (θ)
128°
Sep first
5.4
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
8.85
Mag sec
13.50
delta mag (ΔM)
4.65
Spectral class
B7/8IV/V (blue-white)
Pri motion ra
+006
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
127.9
Precise sep
5.282
Constellation
Lupus
SAO
242565
Tycho2
8307-00123-1
Gaia DR2
5888905388411421440
HD
137456
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15284-5222 RST 772 1999 3 128 5.6 8.85 13.50 B7/8IV/V D 152821.42-522226.8
15284-5222 RST 772 2010 4 127 5.3 8.85 13.50 B7/8IV/V 152821.42-522226.8
15284-5222 RST 772 2015 5 128 5.3 8.85 13.50 B7/8IV/V 152821.42-522226.8

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