20317+2346 POU4568

 
 
20h 31m 44.38s +23 45' 46.0" P.A. 137 sep 10.6 mag 13.50,14.40
 
 
Coord 2000
20317+2346
Discov num
POU4568
Comp
Coord arcsec 2000
20 31 44.38 +23 45 46.0
Date first
1899
Date last
2015
Obs
9
Pa first
139
Pa last
137
P.A. Now (θ)
137°
Sep first
11.3
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
13.50
Mag sec
14.40
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-008
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
136.9
Precise sep
10.571
Constellation
Vulpecula
Tycho2
2157-00684-1
Gaia DR2
83926576768
HD
346738
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20317+2346 POU4568 2000 2 137 10.7 13.50 14.40 D 203144.38+234546.0
20317+2346 POU4568 2001 3 137 10.7 13.50 14.40 D 203144.38+234546.0
20317+2346 POU4568 2010 4 137 10.3 13.50 14.40 203144.38+234546.0
20317+2346 POU4568 2015 5 137 10.6 13.50 14.40 203144.38+234546.0

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