20138+2334 BKO 807AB

 
 
20h 13m 50.31s +23 34' 01.6" P.A. 170 sep 9.9 mag 13.30,13.60
 
 
Coord 2000
20138+2334
Discov num
BKO 807
Comp
AB
Coord arcsec 2000
20 13 50.31 +23 34 01.6
Date first
2000
Date last
2015
Obs
9
Pa first
170
Pa last
170
P.A. Now (θ)
170°
Sep first
9.8
Sep last
9.9
Sep. Now (ρ)
9.9"
Mag pri
13.30
Mag sec
13.60
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-002
Sec motion ra
-006
Pri motion dec
-002
Sec motion dec
-010
Notes
rPM=0.767
Nature of this double is uncertain.
 
 
20138+2334 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20138+2334 BKO 807 AB 2000 2015 9 170 9.9 13.30 13.60 0.30 <===
Show 20138+2334 BKO 807 AC 2000 2015 8 14 10.2 13.30 14.30 1.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.3
Precise sep
9.937
Constellation
Vulpecula
Gaia DR2
37864457216
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20138+2334 BKO 807 AB 2009 1 172 9.9 13.30 13.60 201350.31+233401.6
20138+2334 BKO 807 AB 2011 4 171 9.9 13.30 13.60 201350.31+233401.6
20138+2334 BKO 807 AB 2015 5 170 9.9 13.30 13.60 201350.31+233401.6

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