12159-4417 SWR 128

 
 
12h 15m 53.98s -44 16' 39.6" P.A. 86 sep 21.7 mag 10.80,11.01 Sp F8V+F8V
 
 
Coord 2000
12159-4417
Discov num
SWR 128
Comp
Coord arcsec 2000
12 15 53.98 -44 16 39.6
Date first
1899
Date last
2015
Obs
8
Pa first
86
Pa last
86
P.A. Now (θ)
86°
Sep first
22.0
Sep last
21.7
Sep. Now (ρ)
21.7"
Mag pri
10.80
Mag sec
11.01
delta mag (ΔM)
0.21
Spectral class
F8V+F8V (yellow-white/yellow-white)
Pri motion ra
-058
Sec motion ra
-041
Pri motion dec
-003
Sec motion dec
+017
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.452
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86
Precise sep
21.704
Constellation
Centaurus
Tycho2
7768-00857-1
last precise pa
86
last precise sep
21.704
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12159-4417 SWR 128 1999 4 86 21.9 10.90 11.00 F8V F8V N D 121553.98-441639.6
12159-4417 SWR 128 2010 7 86 21.9 10.80 11.01 F8V+F8V NV 121553.98-441639.6
12159-4417 SWR 128 2015 8 86 21.7 10.80 11.01 F8V+F8V NV 121553.98-441639.6

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