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
Cdsa2 id
BAL 541
Constellation
Virgo
Ra deg
12.450683333333332
De deg
-1.6286666666666667
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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