19503+3351 SEI 693

 
 
19h 50m 16.22s +33 51' 03.8" P.A. 16 sep 18.3 mag 11.79,12.96
 
 
Coord 2000
19503+3351
Discov num
SEI 693
Comp
Coord arcsec 2000
19 50 16.22 +33 51 03.8
Date first
1894
Date last
2010
Obs
8
Pa first
15
Pa last
16
P.A. Now (θ)
16°
Sep first
17.7
Sep last
18.3
Sep. Now (ρ)
18.3"
Mag pri
11.79
Mag sec
12.96
delta mag (ΔM)
1.17
Spectral class
Pri motion ra
-002
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
+001
Notes
rPM=1.776
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
15.7
Precise sep
18.25
Constellation
Cygnus
Tycho2
2677-01156-1
last precise pa
15.7
last precise sep
18.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19503+3351 SEI 693 1998 6 17 18.3 11.79 12.96 D 195016.22+335103.8
19503+3351 SEI 693 2002 7 17 18.3 11.79 12.96 D 195016.22+335103.8
19503+3351 SEI 693 2010 8 16 18.5 11.79 12.96 195016.22+335103.8

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