20221+4042 ES 1676

 
 
20h 22m 04.55s +40 42' 48.7" P.A. 285 sep 2.4 mag 11.19,11.60
 
 
Coord 2000
20221+4042
Discov num
ES 1676
Comp
Coord arcsec 2000
20 22 04.55 +40 42 48.7
Date first
1917
Date last
2015
Obs
4
Pa first
286
Pa last
285
P.A. Now (θ)
285°
Sep first
2.2
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
11.19
Mag sec
11.60
delta mag (ΔM)
0.41
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.4
Precise sep
2.431
Constellation
Cygnus
SAO
49523
Tycho2
3156-00638-1
Gaia DR2
10894274176
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20221+4042 ES 1676 1998 3 286 2.4 11.19 11.60 202204.55+404248.7
20221+4042 ES 1676 2015 4 285 2.4 11.19 11.60 202204.55+404248.7

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