20217+5214 ES  988

 
 
20h 21m 41.17s +52 14' 27.3" P.A. 10.00 sep 3.7 mag 8.31,12.00 Sp A0
 
 
Coord 2000
20217+5214
Discov num
ES  988
Comp
Coord arcsec 2000
20 21 41.17 +52 14 27.3
Date first
1910
Date last
2000
Obs
2
Pa first
14
Pa last
10
P.A. Now (θ)
10°
Sep first
4.0
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
8.31
Mag sec
12.00
delta mag (ΔM)
3.69
Spectral class
A0 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.6
Precise sep
3.69
Constellation
Cygnus
SAO
32503
Tycho2
3584-00169-1
Gaia DR2
56523062144
HD
194151
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20217+5214 ES 988 2000 2 10 3.7 8.31 12.00 A0 D 202141.17+521427.3

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