15529-4937 I  1278

 
 
15h 52m 54.75s -49 37' 04.7" P.A. 338 sep 0.3 mag 9.54,9.75 Sp B9IV dist. 197.63 pc (644.67 l.y.)
 
 
Coord 2000
15529-4937
Discov num
I  1278
Comp
Coord arcsec 2000
15 52 54.75 -49 37 04.7
Date first
1926
Date last
2008
Obs
7
Pa first
354
Pa last
338
P.A. Now (θ)
338°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.54
Mag sec
9.75
delta mag (ΔM)
0.21
Spectral class
B9IV (blue-white)
Pri motion ra
-009
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.5
Precise sep
0.294
Constellation
Norma
SAO
226321
HIP
77778
Tycho2
8317-00756-1
HD
141765
CD
CD-4910089
CP
CP-49 8689
Distance
197.63
Distance ly
644.67
last precise pa
337.5
last precise sep
0.294
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15529-4937 I 1278 1991 6 342 0.3 9.54 9.75 B9IV 155254.75-493704.7
15529-4937 I 1278 2008 7 338 0.3 9.54 9.75 B9IV 155254.75-493704.7

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