21241+5227 ES 1006

 
 
21h 24m 02.87s +52 26' 56.9" P.A. 47 sep 8.6 mag 8.10,11.91 Sp A0p
 
 
Coord 2000
21241+5227
Discov num
ES 1006
Comp
Coord arcsec 2000
21 24 02.87 +52 26 56.9
Date first
1900
Date last
2010
Obs
8
Pa first
47
Pa last
47
P.A. Now (θ)
47°
Sep first
8.4
Sep last
8.6
Sep. Now (ρ)
8.6"
Mag pri
8.10
Mag sec
11.91
delta mag (ΔM)
3.81
Spectral class
A0p (white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-003
Sec motion dec
-001
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
47.3
Precise sep
8.64
Constellation
Cygnus
Tycho2
3602-01206-1
HD
204037
last precise pa
47.3
last precise sep
8.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21241+5227 ES 1006 2000 7 49 8.1 8.10 11.91 A0p D 212402.87+522656.9
21241+5227 ES 1006 2010 8 47 8.6 8.10 11.91 A0p 212402.87+522656.9

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