20254+2727 J   509

 
 
20h 25m 23.14s +27 26' 58.0" P.A. 262.00 sep 4.0 mag 11.50,13.10
 
 
Coord 2000
20254+2727
Discov num
J   509
Comp
Coord arcsec 2000
20 25 23.14 +27 26 58.0
Date first
1911
Date last
2015
Obs
9
Pa first
265
Pa last
262
P.A. Now (θ)
262°
Sep first
4.3
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
11.50
Mag sec
13.10
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
+012
Sec motion ra
-033
Pri motion dec
+013
Sec motion dec
-017
Notes
rPM=1.457
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
261.5
Precise sep
3.956
Constellation
Vulpecula
SAO
88657
Tycho2
2164-00347-1
Gaia DR2
67499773696
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20254+2727 J 509 1997 4 252 3.4 10.36 10.60 202517.74+272658.7
20254+2727 J 509 2002 6 268 3.8 11.50 13.10 202523.14+272658.0
20254+2727 J 509 2013 7 268 4.1 11.50 13.10 202523.14+272658.0
20254+2727 J 509 2015 9 262 4.0 11.50 13.10 202523.14+272658.0

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