20175+2521 POU4342

 
 
20h 17m 25.34s +25 20' 30.6" P.A. 191 sep 10.9 mag 11.20,12.30
 
 
Coord 2000
20175+2521
Discov num
POU4342
Comp
Coord arcsec 2000
20 17 25.34 +25 20 30.6
Date first
1898
Date last
2015
Obs
10
Pa first
194
Pa last
191
P.A. Now (θ)
191°
Sep first
11.3
Sep last
10.9
Sep. Now (ρ)
10.9"
Mag pri
11.20
Mag sec
12.30
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
-004
Sec motion ra
-001
Pri motion dec
-004
Sec motion dec
-002
Notes
rPM=0.637
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
190.6
Precise sep
10.889
Constellation
Vulpecula
Tycho2
2159-01442-1
Gaia DR2
62259736576
HD
339940
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20175+2521 POU4342 1998 3 191 10.9 11.20 12.30 D 201725.34+252030.6
20175+2521 POU4342 2002 4 191 10.9 11.20 12.30 D 201725.34+252030.6
20175+2521 POU4342 2010 5 190 10.5 11.20 12.30 201725.34+252030.6
20175+2521 POU4342 2015 6 191 10.9 11.20 12.30 201725.34+252030.6

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