19539+4918 ACA   2

 
 
19h 53m 57.60s +49 18' 09.8" P.A. 298 sep 23.1 mag 11.91,13.77
 
 
Coord 2000
19539+4918
Discov num
ACA   2
Comp
Coord arcsec 2000
19 53 57.60 +49 18 09.8
Date first
2000
Date last
2010
Obs
4
Pa first
298
Pa last
298
P.A. Now (θ)
298°
Sep first
23.0
Sep last
23.1
Sep. Now (ρ)
23.1"
Mag pri
11.91
Mag sec
13.77
delta mag (ΔM)
1.86
Spectral class
Pri motion ra
-015
Sec motion ra
-011
Pri motion dec
-026
Sec motion dec
-013
Notes
rPM=0.453
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298.1
Precise sep
23.09
Constellation
Cygnus
last precise pa
298.1
last precise sep
23.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19539+4918 ACA 2 2006 1 297 22.8 10.90 12.70 195306.67+491800.0
19539+4918 ACA 2 2010 4 298 23.0 11.91 13.77 195357.60+491809.8

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