20283+4005 COU2538

 
 
20h 28m 17.00s +40 05' 09.8" P.A. 31 sep 1 mag 10.40,10.42 Sp G0/5
 
 
Coord 2000
20283+4005
Discov num
COU2538
Comp
Coord arcsec 2000
20 28 17.00 +40 05 09.8
Date first
1988
Date last
2015
Obs
8
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
10.40
Mag sec
10.42
delta mag (ΔM)
0.02
Spectral class
G0/5 (yellow)
Pri motion ra
-069
Sec motion ra
-069
Pri motion dec
-110
Sec motion dec
-110
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.4
Precise sep
0.957
Constellation
Cygnus
Tycho2
3156-00373-1
Gaia DR2
13541681664
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20283+4005 COU2538 2007 7 31 1.0 10.40 10.42 202817.00+400509.8
20283+4005 COU2538 2015 8 31 1.0 10.40 10.42 G0/5 202817.00+400509.8

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