15457-5559 I   546

 
 
15h 45m 39.98s -55 58' 30.5" P.A. 266 sep 0.8 mag 8.61,9.56 Sp B8V dist. 1612.9 pc (5261.28 l.y.)
 
 
Coord 2000
15457-5559
Discov num
I   546
Comp
Coord arcsec 2000
15 45 39.98 -55 58 30.5
Date first
1909
Date last
2008
Obs
13
Pa first
260
Pa last
266
P.A. Now (θ)
266°
Sep first
0.6
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
8.61
Mag sec
9.56
delta mag (ΔM)
0.95
Spectral class
B8V (blue-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
265.8
Precise sep
0.771
Constellation
Norma
SAO
242927
HIP
77187
Tycho2
8700-00650-1
HD
140311
CP
CP-55 6689
Distance
1612.9
Distance ly
5261.28
last precise pa
265.8
last precise sep
0.771
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15457-5559 I 546 1991 12 264 0.7 8.61 9.56 B8V D 154539.98-555830.5
15457-5559 I 546 2008 13 266 0.8 8.61 9.56 B8V D 154539.98-555830.5

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