20284+1713 HJ 2969

 
 
20h 28m 22.83s +17 12' 55.6" P.A. 170 sep 6 mag 9.60,10.00
 
 
Coord 2000
20284+1713
Discov num
HJ 2969
Comp
Coord arcsec 2000
20 28 22.83 +17 12 55.6
Date first
1831
Date last
2018
Obs
15
Pa first
172
Pa last
170
P.A. Now (θ)
170°
Sep first
4.0
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
9.60
Mag sec
10.00
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-037
Sec motion ra
-015
Pri motion dec
+112
Sec motion dec
-025
Notes
rPM=1.176
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
169.5
Precise sep
5.986
Constellation
Delphinus
Gaia DR2
58318036352
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20284+1713 HJ 2969 2004 7 169 5.8 9.60 10.00 D 202822.83+171255.6
20284+1713 HJ 2969 2010 9 170 5.7 9.60 10.00 202822.83+171255.6
20284+1713 HJ 2969 2016 10 170 5.9 9.60 10.00 202822.83+171255.6

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