19304+3506 SEI 609

 
 
19h 30m 21.85s +35 05' 38.4" P.A. 300 sep 20.2 mag 11.88,12.06
 
 
Coord 2000
19304+3506
Discov num
SEI 609
Comp
Coord arcsec 2000
19 30 21.85 +35 05 38.4
Date first
1895
Date last
2010
Obs
8
Pa first
304
Pa last
300
P.A. Now (θ)
300°
Sep first
20.8
Sep last
20.2
Sep. Now (ρ)
20.2"
Mag pri
11.88
Mag sec
12.06
delta mag (ΔM)
0.18
Spectral class
Pri motion ra
+001
Sec motion ra
+002
Pri motion dec
+008
Sec motion dec
-001
Notes
rPM=1.123
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.2
Precise sep
20.23
Constellation
Cygnus
Tycho2
2663-00660-1
last precise pa
300.2
last precise sep
20.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19304+3506 SEI 609 1997 6 301 20.3 11.86 11.68 D 193021.85+350538.4
19304+3506 SEI 609 2002 7 300 20.2 11.86 11.68 D 193021.85+350538.4
19304+3506 SEI 609 2010 8 300 20.2 11.88 12.06 193021.85+350538.4

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