21033+1655 J   284

 
 
21h 03m 12.19s +16 53' 25.9" P.A. 236 sep 2.7 mag 11.20,12.50
 
 
Coord 2000
21033+1655
Discov num
J   284
Comp
Coord arcsec 2000
21 03 12.19 +16 53 25.9
Date first
1910
Date last
2015
Obs
10
Pa first
234
Pa last
236
P.A. Now (θ)
236°
Sep first
2.6
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
11.20
Mag sec
12.50
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
-039
Sec motion ra
Pri motion dec
-031
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
235.7
Precise sep
2.714
Constellation
Delphinus
SAO
106802
Tycho2
1652-01925-1
Gaia DR2
1764060857947078016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21033+1655 J 284 2002 9 235 2.7 9.50 11.10 210312.19+165325.9
21033+1655 J 284 2015 10 236 2.7 11.20 12.50 210312.19+165325.9

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