20263+3925 ES 1975

 
 
20h 26m 15.76s +39 25' 23.8" P.A. 26 sep 4.1 mag 10.88,12.40
 
 
Coord 2000
20263+3925
Discov num
ES 1975
Comp
Coord arcsec 2000
20 26 15.76 +39 25 23.8
Date first
1892
Date last
2015
Obs
6
Pa first
36
Pa last
26
P.A. Now (θ)
26°
Sep first
3.8
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
10.88
Mag sec
12.40
delta mag (ΔM)
1.52
Spectral class
Pri motion ra
-002
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
26.4
Precise sep
4.063
Constellation
Cygnus
Tycho2
3156-00054-1
Gaia DR2
14555407744
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20263+3925 ES 1975 1998 3 27 4.1 10.88 12.40 D 202615.76+392523.8
20263+3925 ES 1975 2002 4 26 4.0 10.88 12.40 D 202615.76+392523.8
20263+3925 ES 1975 2010 5 21 3.1 10.88 12.40 202615.76+392523.8
20263+3925 ES 1975 2015 6 26 4.1 10.88 12.40 202615.76+392523.8

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