20303+4439 ES 1441

 
 
20h 30m 16.30s +44 38' 53.3" P.A. 129 sep 2 mag 10.85,11.56 Sp F8
 
 
Coord 2000
20303+4439
Discov num
ES 1441
Comp
Coord arcsec 2000
20 30 16.30 +44 38 53.3
Date first
1915
Date last
1998
Obs
5
Pa first
128
Pa last
129
P.A. Now (θ)
129°
Sep first
2.2
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
10.85
Mag sec
11.56
delta mag (ΔM)
0.71
Spectral class
F8 (yellow-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.6
Precise sep
1.98
Constellation
Cygnus
Tycho2
3165-00006-1
Gaia DR2
80539906816
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20303+4439 ES 1441 1998 5 126 2.0 10.85 11.56 F8 203016.30+443853.3

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