11311-5715 RST2753

 
 
11h 31m 08.50s -57 14' 51.1" P.A. 250 sep 0.6 mag 9.50,12.00 Sp B8
 
 
Coord 2000
11311-5715
Discov num
RST2753
Comp
Coord arcsec 2000
11 31 08.50 -57 14 51.1
Date first
1934
Date last
1947
Obs
3
Pa first
247
Pa last
250
P.A. Now (θ)
250°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
9.50
Mag sec
12.00
delta mag (ΔM)
2.5
Spectral class
B8 (blue-white)
Pri motion ra
-016
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
250.3
Precise sep
0.64
Constellation
Centaurus
SAO
239137
Tycho2
8625-00369-1
HD
304395
last precise pa
250.3
last precise sep
0.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11311-5715 RST2753 1947 3 250 0.6 9.50 12.00 B8 113108.50-571451.1

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