12270-0137 BAL 541

 
 
12h 27m 02.46s -01 37' 43.2" P.A. 86 sep 12.7 mag 11.00,11.30
 
 
Coord 2000
12270-0137
Discov num
BAL 541
Comp
Coord arcsec 2000
12 27 02.46 -01 37 43.2
Date first
1893
Date last
2016
Obs
8
Pa first
102
Pa last
86
P.A. Now (θ)
86°
Sep first
10.1
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
11.00
Mag sec
11.30
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-046
Sec motion ra
-021
Pri motion dec
-006
Sec motion dec
+017
Notes
rPM=0.732
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
85.5
Precise sep
12.714
Constellation
Virgo
last precise pa
85.5
last precise sep
12.714
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12270-0137 BAL 541 1999 2 88 12.1 11.00 11.30 D 122702.46-013743.2
12270-0137 BAL 541 2000 3 88 12.1 11.00 11.30 D 122702.46-013743.2
12270-0137 BAL 541 2013 4 86 12.6 11.00 11.30 122702.46-013743.2
12270-0137 BAL 541 2016 8 86 12.7 11.00 11.30 122702.46-013743.2

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