20231+2324 BKO 441

 
 
20h 23m 10.20s +23 24' 21.8" P.A. 139 sep 5.1 mag 13.00,14.00
 
 
Coord 2000
20231+2324
Discov num
BKO 441
Comp
Coord arcsec 2000
20 23 10.20 +23 24 21.8
Date first
1999
Date last
2015
Obs
7
Pa first
137
Pa last
139
P.A. Now (θ)
139°
Sep first
5.1
Sep last
5.1
Sep. Now (ρ)
5.1"
Mag pri
13.00
Mag sec
14.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
+013
Sec motion ra
+026
Pri motion dec
-013
Sec motion dec
-032
Notes
rPM=0.558
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.4
Precise sep
5.071
Constellation
Vulpecula
Tycho2
2156-01172-1
Gaia DR2
54087856768
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20231+2324 BKO 441 2008 1 138 5.0 13.00 14.00 202310.46+232421.8
20231+2324 BKO 441 2015 4 139 5.1 13.00 14.00 202310.20+232421.8

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