20212+2320 POU4391

 
 
20h 21m 16.86s +23 22' 28.2" P.A. 252 sep 11.4 mag 14.10,14.30
 
 
Coord 2000
20212+2320
Discov num
POU4391
Comp
Coord arcsec 2000
20 21 16.86 +23 22 28.2
Date first
1898
Date last
2015
Obs
9
Pa first
263
Pa last
252
P.A. Now (θ)
252°
Sep first
7.5
Sep last
11.4
Sep. Now (ρ)
11.4"
Mag pri
14.10
Mag sec
14.30
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+000
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.3
Precise sep
11.43
Constellation
Vulpecula
Gaia DR2
66851382272
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20212+2320 POU4391 1898 1 263 7.5 14.10 14.30 202130.00+232000.0
20212+2320 POU4391 2001 4 253 11.4 14.10 14.30 202116.86+232228.2
20212+2320 POU4391 2010 5 253 10.6 14.10 14.30 202116.86+232228.2
20212+2320 POU4391 2015 6 252 11.4 14.10 14.30 202116.86+232228.2

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