19397+3315 GYL  19

 
 
19h 39m 39.78s +33 14' 45.5" P.A. 12 sep 22.6 mag 11.49,11.94
 
 
Coord 2000
19397+3315
Discov num
GYL  19
Comp
Coord arcsec 2000
19 39 39.78 +33 14 45.5
Date first
1893
Date last
2016
Obs
8
Pa first
11
Pa last
12
P.A. Now (θ)
12°
Sep first
23.5
Sep last
22.6
Sep. Now (ρ)
22.6"
Mag pri
11.49
Mag sec
11.94
delta mag (ΔM)
0.45
Spectral class
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
+007
Sec motion dec
+003
Notes
rPM=0.511
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.6
Precise sep
22.61
Constellation
Cygnus
Tycho2
2660-00391-1
last precise pa
11.6
last precise sep
22.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19397+3315 GYL 19 2002 5 12 22.7 11.52 12.13 D 193939.78+331445.5
19397+3315 GYL 19 2010 7 12 22.4 11.49 11.94 193939.78+331445.5
19397+3315 GYL 19 2016 8 12 22.6 11.49 11.94 193939.78+331445.5

If you need more information about this double, apply for a data request form to the WDS.