20185+5840 HJ 2956

 
 
20h 18m 36.28s +58 40' 34.5" P.A. 234 sep 9.1 mag 10.90,11.00
 
 
Coord 2000
20185+5840
Discov num
HJ 2956
Comp
Coord arcsec 2000
20 18 36.28 +58 40 34.5
Date first
1831
Date last
2018
Obs
13
Pa first
258
Pa last
234
P.A. Now (θ)
234°
Sep first
2.0
Sep last
9.1
Sep. Now (ρ)
9.1"
Mag pri
10.90
Mag sec
11.00
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+005
Sec motion ra
+000
Pri motion dec
+015
Sec motion dec
-004
Notes
rPM=1.243
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
233.9
Precise sep
9.078
Constellation
Cygnus
Gaia DR2
37465553152
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20185+5840 HJ 2956 1999 4 235 8.9 10.90 11.00 D 201836.28+584034.5
20185+5840 HJ 2956 2010 5 234 9.1 10.90 11.00 D 201836.28+584034.5
20185+5840 HJ 2956 2015 8 234 9.0 10.90 11.00 201836.28+584034.5
20185+5840 HJ 2956 2018 9 234 9.1 10.90 11.00 201836.28+584034.5

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