20122+3603 SEI 994

 
 
20h 12m 10.46s +36 02' 38.7" P.A. 250 sep 27.1 mag 10.72,11.44 Sp A0
 
 
Coord 2000
20122+3603
Discov num
SEI 994
Comp
Coord arcsec 2000
20 12 10.46 +36 02 38.7
Date first
1896
Date last
2015
Obs
15
Pa first
251
Pa last
250
P.A. Now (θ)
250°
Sep first
26.9
Sep last
27.1
Sep. Now (ρ)
27.1"
Mag pri
10.72
Mag sec
11.44
delta mag (ΔM)
0.72
Spectral class
A0 (white)
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
-002
Sec motion dec
-003
Notes
rPM=0.471
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
250
Precise sep
27.084
Constellation
Cygnus
Tycho2
2683-03074-1
Gaia DR2
32000097536
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20122+3603 SEI 994 2002 8 250 27.2 10.72 11.44 D 201210.46+360238.7
20122+3603 SEI 994 2010 10 250 27.0 10.72 11.44 A0 201210.46+360238.7
20122+3603 SEI 994 2015 11 250 27.1 10.72 11.44 A0 201210.46+360238.7

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