19500+2317 BKO 988

 
 
19h 50m 01.35s +23 17' 24.5" P.A. 170.00 sep 8.9 mag 10.50,14.20
 
 
Coord 2000
19500+2317
Discov num
BKO 988
Comp
Coord arcsec 2000
19 50 01.35 +23 17 24.5
Date first
2000
Date last
2015
Obs
8
Pa first
170
Pa last
170
P.A. Now (θ)
170°
Sep first
9.0
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
10.50
Mag sec
14.20
delta mag (ΔM)
3.7
Spectral class
Pri motion ra
-001
Sec motion ra
+000
Pri motion dec
-008
Sec motion dec
-028
Notes
rPM=0.715
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.4
Precise sep
8.862
Constellation
Vulpecula
SAO
87789
Gaia DR2
64989790848
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19500+2317 BKO 988 2008 2 170 9.3 10.50 14.20 195001.35+231724.5
19500+2317 BKO 988 2015 4 171 8.8 10.50 14.20 195001.35+231724.5

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