21013+1757 BOY  11

 
 
21h 01m 14.68s +17 56' 55.5" P.A. 94 sep 0.3 mag 20.84,21.43
 
 
Coord 2000
21013+1757
Discov num
BOY  11
Comp
Coord arcsec 2000
21 01 14.68 +17 56 55.5
Date first
2001
Date last
2008
Obs
3
Pa first
108
Pa last
94
P.A. Now (θ)
94°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
20.84
Mag sec
21.43
delta mag (ΔM)
0.59
Spectral class
Pri motion ra
+000
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
94.4
Precise sep
0.323
Constellation
Delphinus
Gaia DR2
1765060314017194624
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21013+1757 BOY 11 2001 2 107 0.2 20.84 21.43 DR 210114.68+175655.5
21013+1757 BOY 11 2008 3 94 0.3 20.84 21.43 DR 210114.68+175655.5
21013+1757 BOY 11 2010 4 0 0.0 20.84 21.43 DR 210114.68+175655.5

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