20122+4536 ES  501

 
 
20h 12m 14.52s +45 36' 18.3" P.A. 129 sep 1.6 mag 10.32,11.62 Sp A
 
 
Coord 2000
20122+4536
Discov num
ES  501
Comp
Coord arcsec 2000
20 12 14.52 +45 36 18.3
Date first
1907
Date last
1991
Obs
5
Pa first
125
Pa last
129
P.A. Now (θ)
129°
Sep first
1.3
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
10.32
Mag sec
11.62
delta mag (ΔM)
1.3
Spectral class
A (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-001
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.8
Precise sep
1.58
Constellation
Cygnus
Tycho2
3559-02773-1
Gaia DR2
41890838272
HD
192277
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20122+4536 ES 501 1991 5 129 1.6 10.32 11.62 A 201214.52+453618.3

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