20342-0045 BAL 613

 
 
20h 34m 10.24s -00 45' 52.7" P.A. 145.00 sep 6.4 mag 9.95,12.20
 
 
Coord 2000
20342-0045
Discov num
BAL 613
Comp
Coord arcsec 2000
20 34 10.24 -00 45 52.7
Date first
1895
Date last
2015
Obs
9
Pa first
146
Pa last
145
P.A. Now (θ)
145°
Sep first
6.2
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
9.95
Mag sec
12.20
delta mag (ΔM)
2.25
Spectral class
Pri motion ra
+013
Sec motion ra
+017
Pri motion dec
+000
Sec motion dec
-005
Notes
N (See Notes)
Visually invisible, K-band or other infrared star rPM=0.361
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.6
Precise sep
6.429
Constellation
Aquila
SAO
144575
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20342-0045 BAL 613 2004 4 145 6.4 9.95 12.20 N D 203410.24-004552.7
20342-0045 BAL 613 2010 6 147 5.7 9.95 12.20 N 203410.24-004552.7
20342-0045 BAL 613 2015 7 145 6.4 9.95 12.20 N 203410.24-004552.7

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