20145+1555 BKO 542BC

 
 
20h 14m 25.48s +15 54' 55.7" P.A. 179 sep 7.9 mag 12.09,13.00
 
 
Coord 2000
20145+1555
Discov num
BKO 542
Comp
BC
Coord arcsec 2000
20 14 25.48 +15 54 55.7
Date first
1998
Date last
2015
Obs
8
Pa first
179
Pa last
179
P.A. Now (θ)
179°
Sep first
7.8
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
12.09
Mag sec
13.00
delta mag (ΔM)
0.91
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20145+1555 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20145+1555 CHE 230 AB 1904 2015 12 253 20.5 11.46 12.09 0.63
Show 20145+1555 BKO 542 BC 1998 2015 8 179 7.9 12.09 13.00 0.91 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.7
Precise sep
7.894
Constellation
Delphinus
Tycho2
1618-00665-1
Gaia DR2
31144609280
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20145+1555 BKO 542 BC 2008 1 177 7.9 12.09 13.00 N 201425.48+155455.7
20145+1555 BKO 542 BC 2010 4 179 7.5 12.09 13.00 N 201425.48+155455.7
20145+1555 BKO 542 BC 2015 4 179 7.9 12.09 13.00 N 201425.48+155455.7

If you need more information about this double, apply for a data request form to the WDS.