20305+2358 POU4540

 
 
20h 30m 29.95s +23 57' 49.7" P.A. 141 sep 19.1 mag 13.90,14.20
 
 
Coord 2000
20305+2358
Discov num
POU4540
Comp
Coord arcsec 2000
20 30 29.95 +23 57 49.7
Date first
1899
Date last
2015
Obs
10
Pa first
143
Pa last
141
P.A. Now (θ)
141°
Sep first
19.4
Sep last
19.1
Sep. Now (ρ)
19.1"
Mag pri
13.90
Mag sec
14.20
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-005
Sec motion ra
-004
Pri motion dec
-010
Sec motion dec
-002
Notes
rPM=0.721
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141
Precise sep
19.069
Constellation
Vulpecula
Gaia DR2
04475337856
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20305+2358 POU4540 1997 2 141 19.2 13.90 14.20 D 203029.95+235749.7
20305+2358 POU4540 2001 3 141 19.1 13.90 14.20 D 203029.95+235749.7
20305+2358 POU4540 2013 4 141 19.1 13.90 14.20 203029.95+235749.7
20305+2358 POU4540 2015 6 141 19.1 13.90 14.20 203029.95+235749.7

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