20311+3652 SEI1148 (44 Cyg)

 
 
20h 31m 06.64s +36 52' 31.1" P.A. 281 sep 24.5 mag 11.62,12.77
 
 
Coord 2000
20311+3652
Discov num
SEI1148
Comp
Coord arcsec 2000
20 31 06.64 +36 52 31.1
Date first
1896
Date last
2015
Obs
9
Pa first
278
Pa last
281
P.A. Now (θ)
281°
Sep first
27.7
Sep last
24.5
Sep. Now (ρ)
24.5"
Mag pri
11.62
Mag sec
12.77
delta mag (ΔM)
1.15
Spectral class
Pri motion ra
-028
Sec motion ra
+000
Pri motion dec
-017
Sec motion dec
-008
Notes
rPM=0.898
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281
Precise sep
24.493
Name
44 Cyg
Constellation
Cygnus
SAO
70135
Tycho2
2697-01159-1
Gaia DR2
71637376512
HD
195593
HR
7847
DM
BD+36 4105
Flamsteed
44 Cygni
Flamsteed name
44 Cyg
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20311+3652 SEI1148 1998 2 281 25.0 12.19 12.90 D 203106.64+365231.1
20311+3652 SEI1148 2009 3 281 24.6 12.19 12.90 D 203106.64+365231.1
20311+3652 SEI1148 2010 5 276 17.1 11.62 12.77 203106.64+365231.1
20311+3652 SEI1148 2015 5 281 24.5 11.62 12.77 203106.64+365231.1

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