20156+1527 BKO 546

 
 
20h 15m 37.89s +15 26' 56.4" P.A. 106.00 sep 7.1 mag 13.00,13.50
 
 
Coord 2000
20156+1527
Discov num
BKO 546
Comp
Coord arcsec 2000
20 15 37.89 +15 26 56.4
Date first
1998
Date last
2015
Obs
9
Pa first
108
Pa last
106
P.A. Now (θ)
106°
Sep first
6.9
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
13.00
Mag sec
13.50
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-025
Sec motion ra
Pri motion dec
+026
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106
Precise sep
7.087
Constellation
Delphinus
SAO
105902
Gaia DR2
74631176832
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20156+1527 BKO 546 2008 1 107 7.1 13.00 13.50 N 201537.89+152656.4
20156+1527 BKO 546 2010 4 106 6.1 13.00 13.50 N 201537.89+152656.4
20156+1527 BKO 546 2015 5 106 7.1 13.00 13.50 N 201537.89+152656.4

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