12173-5454 RST2789

 
 
12h 17m 20.34s -54 53' 31.8" P.A. 306 sep 0.9 mag 8.49,10.27 Sp A3V
 
 
Coord 2000
12173-5454
Discov num
RST2789
Comp
Coord arcsec 2000
12 17 20.34 -54 53 31.8
Date first
1935
Date last
1991
Obs
3
Pa first
302
Pa last
306
P.A. Now (θ)
306°
Sep first
0.7
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
8.49
Mag sec
10.27
delta mag (ΔM)
1.78
Spectral class
A3V (white)
Pri motion ra
-023
Sec motion ra
-023
Pri motion dec
+008
Sec motion dec
+008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.7
Precise sep
0.87
Constellation
Centaurus
SAO
239813
Tycho2
8637-01931-1
HD
106837
last precise pa
305.7
last precise sep
0.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12173-5454 RST2789 1991 3 306 0.9 8.49 10.27 A3V 121720.34-545331.8

If you need more information about this double, apply for a data request form to the WDS.