20217+2327 POU4397

 
 
20h 21m 47.55s +23 27' 09.0" P.A. 31 sep 12.3 mag 14.00,14.20
 
 
Coord 2000
20217+2327
Discov num
POU4397
Comp
Coord arcsec 2000
20 21 47.55 +23 27 09.0
Date first
1898
Date last
2015
Obs
9
Pa first
35
Pa last
31
P.A. Now (θ)
31°
Sep first
12.8
Sep last
12.3
Sep. Now (ρ)
12.3"
Mag pri
14.00
Mag sec
14.20
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+013
Sec motion ra
+027
Pri motion dec
-014
Sec motion dec
-008
Notes
rPM=0.541
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
30.8
Precise sep
12.256
Constellation
Vulpecula
Tycho2
2155-01499-1
Gaia DR2
23402899968
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20217+2327 POU4397 2000 2 31 12.3 14.00 14.20 D 202147.55+232709.0
20217+2327 POU4397 2001 3 31 12.4 14.00 14.20 D 202147.55+232709.0
20217+2327 POU4397 2010 4 31 12.3 14.00 14.20 202147.55+232709.0
20217+2327 POU4397 2015 5 31 12.3 14.00 14.20 202147.55+232709.0

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