20234+3053 ARG  91

 
 
20h 23m 25.46s +30 52' 52.8" P.A. 175 sep 20.5 mag 8.59,9.48 Sp A3
 
 
Coord 2000
20234+3053
Discov num
ARG  91
Comp
Coord arcsec 2000
20 23 25.46 +30 52 52.8
Date first
1862
Date last
2018
Obs
24
Pa first
177
Pa last
175
P.A. Now (θ)
175°
Sep first
21.1
Sep last
20.5
Sep. Now (ρ)
20.5"
Mag pri
8.59
Mag sec
9.48
delta mag (ΔM)
0.89
Spectral class
A3 (white)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
+003
Sec motion dec
+000
Notes
N (See Notes)
rPM=0.514
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.2
Precise sep
20.524
Constellation
Cygnus
SAO
69937
Tycho2
2672-01122-1
Gaia DR2
72327625600
HD
194209
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20234+3053 ARG 91 2004 15 176 20.7 8.59 9.48 A3 N D 202325.46+305252.8
20234+3053 ARG 91 2012 17 174 19.7 8.59 9.48 A3 N D 202325.46+305252.8
20234+3053 ARG 91 2015 20 176 20.5 8.59 9.48 A3 N 202325.46+305252.8
20234+3053 ARG 91 2018 21 175 20.5 8.59 9.48 A3 N 202325.46+305252.8

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