20112+3718 SEI 965

 
 
20h 11m 12.60s +37 17' 25.5" P.A. 220 sep 20.5 mag 11.69,12.20
 
 
Coord 2000
20112+3718
Discov num
SEI 965
Comp
Coord arcsec 2000
20 11 12.60 +37 17 25.5
Date first
1896
Date last
2015
Obs
10
Pa first
221
Pa last
220
P.A. Now (θ)
220°
Sep first
20.0
Sep last
20.5
Sep. Now (ρ)
20.5"
Mag pri
11.69
Mag sec
12.20
delta mag (ΔM)
0.51
Spectral class
Pri motion ra
-002
Sec motion ra
+001
Pri motion dec
-002
Sec motion dec
-003
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
219.7
Precise sep
20.471
Constellation
Cygnus
SAO
69573
Tycho2
2683-01415-1
Gaia DR2
97987097984
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20112+3718 SEI 965 1998 3 220 20.6 11.69 12.20 D 201112.60+371725.5
20112+3718 SEI 965 2002 4 220 20.5 11.69 12.20 D 201112.60+371725.5
20112+3718 SEI 965 2010 5 219 21.2 11.69 12.20 201112.60+371725.5
20112+3718 SEI 965 2015 6 220 20.5 11.69 12.20 201112.60+371725.5

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