20172+2321 POU4340

 
 
20h 17m 16.35s +23 20' 24.1" P.A. 302 sep 7.9 mag 12.49,14.30
 
 
Coord 2000
20172+2321
Discov num
POU4340
Comp
Coord arcsec 2000
20 17 16.35 +23 20 24.1
Date first
1898
Date last
2015
Obs
9
Pa first
296
Pa last
302
P.A. Now (θ)
302°
Sep first
7.5
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
12.49
Mag sec
14.30
delta mag (ΔM)
1.81
Spectral class
Pri motion ra
-002
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
302.2
Precise sep
7.911
Constellation
Vulpecula
Tycho2
2155-00930-1
Gaia DR2
80472713600
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20172+2321 POU4340 1999 2 301 7.9 12.49 14.30 D 201716.35+232024.1
20172+2321 POU4340 2001 3 301 7.9 12.49 14.30 D 201716.35+232024.1
20172+2321 POU4340 2010 4 302 7.6 12.49 14.30 201716.35+232024.1
20172+2321 POU4340 2015 5 302 7.9 12.49 14.30 201716.35+232024.1

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