20238+4525 ES  801

 
 
20h 23m 50.22s +45 25' 20.9" P.A. 170.00 sep 9.6 mag 10.03,10.60
 
 
Coord 2000
20238+4525
Discov num
ES  801
Comp
Coord arcsec 2000
20 23 50.22 +45 25 20.9
Date first
1892
Date last
2015
Obs
13
Pa first
171
Pa last
170
P.A. Now (θ)
170°
Sep first
9.9
Sep last
9.6
Sep. Now (ρ)
9.6"
Mag pri
10.03
Mag sec
10.60
delta mag (ΔM)
0.57
Spectral class
Pri motion ra
+006
Sec motion ra
+004
Pri motion dec
+008
Sec motion dec
+005
Notes
rPM=0.361
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.3
Precise sep
9.57
Constellation
Cygnus
Tycho2
3572-00275-1
Gaia DR2
36706793472
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20238+4525 ES 801 2003 7 170 9.6 10.03 10.60 D 202350.22+452520.9
20238+4525 ES 801 2010 9 171 8.8 10.03 10.60 202350.22+452520.9
20238+4525 ES 801 2015 9 170 9.6 10.03 10.60 202350.22+452520.9

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