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
Tycho2
3566-01506-1
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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