20278+0311 HJ  917

 
 
20h 27m 50.92s +03 10' 38.5" P.A. 37 sep 12.8 mag 11.92,12.67
 
 
Coord 2000
20278+0311
Discov num
HJ  917
Comp
Coord arcsec 2000
20 27 50.92 +03 10 38.5
Date first
1909
Date last
2015
Obs
9
Pa first
36
Pa last
37
P.A. Now (θ)
37°
Sep first
13.1
Sep last
12.8
Sep. Now (ρ)
12.8"
Mag pri
11.92
Mag sec
12.67
delta mag (ΔM)
0.75
Spectral class
Pri motion ra
-001
Sec motion ra
+014
Pri motion dec
-009
Sec motion dec
-016
Notes
N (See Notes)
rPM=0.779
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
36.6
Precise sep
12.796
Constellation
Delphinus
Tycho2
0501-02411-1
Gaia DR2
68273471488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20278+0311 HJ 917 2000 5 37 12.8 11.92 12.30 N D 202750.92+031038.5
20278+0311 HJ 917 2010 6 37 12.7 11.92 12.67 N 202750.92+031038.5
20278+0311 HJ 917 2015 7 37 12.8 11.92 12.67 N 202750.92+031038.5

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