15492-4147 HDS2228

 
 
15h 49m 14.89s -41 47' 28.7" P.A. 312 sep 0.3 mag 7.67,9.10 Sp B8III dist. 423.73 pc (1382.21 l.y.)
 
 
Coord 2000
15492-4147
Discov num
HDS2228
Comp
Coord arcsec 2000
15 49 14.89 -41 47 28.7
Date first
1991
Date last
2008
Obs
3
Pa first
307
Pa last
312
P.A. Now (θ)
312°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
7.67
Mag sec
9.10
delta mag (ΔM)
1.43
Spectral class
B8III (blue-white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.3
Precise sep
0.314
Cdsa2 id
HDS 2228
Constellation
Lupus
SAO
226246
HIP
77481
Tycho2
7845-01464-1
HD
141166
CD
CD-4110325
CP
CP-41 7347
Ra deg
15.820802777777777
De deg
-41.79130555555555
Distance
423.73
Distance ly
1382.21
last precise pa
312.3
last precise sep
0.314
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15492-4147 HDS2228 1991 1 307 0.3 7.67 9.10 B8III 154914.89-414728.7
15492-4147 HDS2228 2008 3 312 0.3 7.67 9.10 B8III 154914.89-414728.7

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