20301+2509 BKO 589

 
 
20h 30m 08.88s +25 08' 31.1" P.A. 84 sep 5.2 mag 11.10,12.80
 
 
Coord 2000
20301+2509
Discov num
BKO 589
Comp
Coord arcsec 2000
20 30 08.88 +25 08 31.1
Date first
1997
Date last
2015
Obs
9
Pa first
83
Pa last
84
P.A. Now (θ)
84°
Sep first
5.3
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
11.10
Mag sec
12.80
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
+004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
83.6
Precise sep
5.249
Constellation
Vulpecula
Tycho2
2160-00403-1
Gaia DR2
65663196928
HD
340500
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20301+2509 BKO 589 2008 2 85 5.0 11.10 12.80 D 203008.88+250831.1
20301+2509 BKO 589 2010 5 83 5.0 11.10 12.80 203008.88+250831.1
20301+2509 BKO 589 2015 6 84 5.2 11.10 12.80 203008.88+250831.1

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