20248+2511 COU 521

 
 
20h 24m 46.67s +25 10' 46.1" P.A. 283 sep 0.5 mag 7.52,10.59 Sp A0 dist. 383.14 pc (1249.8 l.y.)
 
 
Coord 2000
20248+2511
Discov num
COU 521
Comp
Coord arcsec 2000
20 24 46.67 +25 10 46.1
Date first
1970
Date last
2008
Obs
5
Pa first
286
Pa last
283
P.A. Now (θ)
283°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
7.52
Mag sec
10.59
delta mag (ΔM)
3.07
Spectral class
A0 (white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
282.5
Precise sep
0.518
Constellation
Vulpecula
SAO
88641
HIP
100686
Tycho2
2160-01047-1
Gaia DR2
45244012544
HD
194451
BD
BD+24 4116
Distance
383.14
Distance ly
1249.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20248+2511 COU 521 1991 4 280 0.5 7.52 10.59 A0 D 202446.67+251046.1
20248+2511 COU 521 2008 5 283 0.5 7.52 10.59 A0 D 202446.67+251046.1

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