20284+2728 COU 725

 
 
20h 28m 26.40s +27 27' 47.6" P.A. 59 sep 0.5 mag 10.52,10.77 Sp A0
 
 
Coord 2000
20284+2728
Discov num
COU 725
Comp
Coord arcsec 2000
20 28 26.40 +27 27 47.6
Date first
1971
Date last
2008
Obs
3
Pa first
70
Pa last
59
P.A. Now (θ)
59°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.52
Mag sec
10.77
delta mag (ΔM)
0.25
Spectral class
A0 (white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
59.3
Precise sep
0.506
Constellation
Vulpecula
SAO
88719
Tycho2
2164-00797-1
Gaia DR2
54300124672
HD
340323
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20284+2728 COU 725 1991 2 70 0.5 10.52 10.77 A0 202826.40+272747.6
20284+2728 COU 725 2008 3 59 0.5 10.52 10.77 A0 202826.40+272747.6

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