20169+2356 POU4334

 
 
20h 16m 54.20s +23 55' 30.3" P.A. 223 sep 19.6 mag 10.60,12.22 Sp A2
 
 
Coord 2000
20169+2356
Discov num
POU4334
Comp
Coord arcsec 2000
20 16 54.20 +23 55 30.3
Date first
1892
Date last
2015
Obs
13
Pa first
221
Pa last
223
P.A. Now (θ)
223°
Sep first
19.5
Sep last
19.6
Sep. Now (ρ)
19.6"
Mag pri
10.60
Mag sec
12.22
delta mag (ΔM)
1.62
Spectral class
A2 (white)
Pri motion ra
-002
Sec motion ra
-006
Pri motion dec
-013
Sec motion dec
-008
Notes
rPM=0.487
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
223.1
Precise sep
19.561
Constellation
Vulpecula
Tycho2
2155-01453-1
Gaia DR2
61349743104
HD
346252
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+2356 POU4334 1999 6 223 19.6 10.60 12.22 A2 D 201654.20+235530.3
20169+2356 POU4334 2001 7 223 19.6 10.60 12.22 A2 D 201654.20+235530.3
20169+2356 POU4334 2010 8 223 19.6 10.60 12.22 A2 201654.20+235530.3
20169+2356 POU4334 2015 9 223 19.6 10.60 12.22 A2 201654.20+235530.3

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