20021+3308 SEI 797

 
 
20h 02m 01.60s +33 08' 00.6" P.A. 86 sep 25.7 mag 10.53,11.00 Sp A5
 
 
Coord 2000
20021+3308
Discov num
SEI 797
Comp
Coord arcsec 2000
20 02 01.60 +33 08 00.6
Date first
1893
Date last
2010
Obs
9
Pa first
88
Pa last
86
P.A. Now (θ)
86°
Sep first
24.8
Sep last
25.7
Sep. Now (ρ)
25.7"
Mag pri
10.53
Mag sec
11.00
delta mag (ΔM)
0.47
Spectral class
A5 (white)
Pri motion ra
-010
Sec motion ra
-006
Pri motion dec
-007
Sec motion dec
-003
Notes
rPM=0.463
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.2
Precise sep
25.68
Constellation
Cygnus
Tycho2
2674-04886-1
HD
227200
last precise pa
86.2
last precise sep
25.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20021+3308 SEI 797 1998 7 86 25.6 10.53 11.00 D 200201.60+330800.6
20021+3308 SEI 797 2002 8 86 25.7 10.53 11.00 D 200201.60+330800.6
20021+3308 SEI 797 2010 9 86 25.7 10.53 11.00 A5 200201.60+330800.6

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