20437+3727 COU2291

 
 
20h 43m 40.10s +37 27' 00.5" P.A. 228.00 sep 1.0 mag 11.20,12.40
 
 
Coord 2000
20437+3727
Discov num
COU2291
Comp
Coord arcsec 2000
20 43 40.10 +37 27 00.5
Date first
1985
Date last
2015
Obs
6
Pa first
224
Pa last
228
P.A. Now (θ)
228°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.20
Mag sec
12.40
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
-005
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.3
Precise sep
0.997
Constellation
Cygnus
SAO
70427
Tycho2
2699-00691-1
Gaia DR2
2063221681053683840
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20437+3727 COU2291 1985 1 224 0.9 10.50 11.20 204308.57+372700.0
20437+3727 COU2291 2008 3 227 1.0 10.50 11.20 204308.57+372700.0
20437+3727 COU2291 2015 4 228 1.0 11.20 12.40 204340.10+372700.5

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