20277+2454 POU4504

 
 
20h 27m 45.15s +24 54' 09.8" P.A. 67 sep 15.7 mag 10.71,14.40 Sp A0
 
 
Coord 2000
20277+2454
Discov num
POU4504
Comp
Coord arcsec 2000
20 27 45.15 +24 54 09.8
Date first
1899
Date last
2015
Obs
8
Pa first
70
Pa last
67
P.A. Now (θ)
67°
Sep first
16.0
Sep last
15.7
Sep. Now (ρ)
15.7"
Mag pri
10.71
Mag sec
14.40
delta mag (ΔM)
3.69
Spectral class
A0 (white)
Pri motion ra
+012
Sec motion ra
+006
Pri motion dec
+007
Sec motion dec
+014
Notes
rPM=0.605
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
67.1
Precise sep
15.688
Constellation
Vulpecula
Tycho2
2160-01487-1
Gaia DR2
18565408512
HD
340414
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20277+2454 POU4504 1997 2 68 15.8 10.71 14.40 D 202745.15+245409.8
20277+2454 POU4504 2001 3 68 15.7 10.71 14.40 D 202745.15+245409.8
20277+2454 POU4504 2010 4 69 15.9 10.71 14.40 A0 202745.15+245409.8
20277+2454 POU4504 2015 8 67 15.7 10.71 14.40 A0 202745.15+245409.8

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