01550-3120 HDS 261

 
 
01h 54m 58.68s -31 19' 47.7" P.A. 274 sep 0.5 mag 9.79,12.84 Sp F8 dist. 135.87 pc (443.21 l.y.)
 
 
Coord 2000
01550-3120
Discov num
HDS 261
Comp
Coord arcsec 2000
01 54 58.68 -31 19 47.7
Date first
1991
Date last
2014
Obs
2
Pa first
272
Pa last
274
P.A. Now (θ)
274°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.79
Mag sec
12.84
delta mag (ΔM)
3.05
Spectral class
F8 (yellow-white)
Pri motion ra
-017
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Fornax
SAO
193380
HIP
8933
Tycho2
7006-00917-1
HD
11787
CD
CD-31 792
CP
CP-31 217
Distance
135.87
Distance ly
443.21
last precise pa
274.1
last precise sep
0.478
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01550-3120 HDS 261 1991 1 272 0.4 9.79 12.84 F8 015458.68-311947.7
01550-3120 HDS 261 2014 2 274 0.5 9.79 12.84 F8 015458.68-311947.7

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