20025+3341 BKO 520AC

 
 
20h 02m 29.65s +33 40' 56.5" P.A. 24.00 sep 6.5 mag 10.41,14.00 Sp F8:
 
 
Coord 2000
20025+3341
Discov num
BKO 520
Comp
AC
Coord arcsec 2000
20 02 29.65 +33 40 56.5
Date first
1998
Date last
2015
Obs
7
Pa first
23
Pa last
24
P.A. Now (θ)
24°
Sep first
6.9
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
10.41
Mag sec
14.00
delta mag (ΔM)
3.59
Spectral class
F8: (yellow-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
20025+3341 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69306 20025+3341 HO 117 AB 1883 2015 18 314 5.2 10.41 11.70 1.29
Show 69306 20025+3341 BKO 520 AC 1998 2015 7 24 6.5 10.41 14.00 3.59 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24
Precise sep
6.541
Constellation
Cygnus
SAO
69306
Tycho2
2674-05689-1
Gaia DR2
92683217408
HD
227251
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20025+3341 BKO 520 AC 2008 1 28 6.7 10.41 14.00 N 200229.65+334056.6
20025+3341 BKO 520 AC 2015 4 24 6.7 10.41 14.00 F8: N 200229.65+334056.5

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