20020+3522 ES  243

 
 
20h 01m 57.54s +35 22' 16.5" P.A. 279 sep 4.9 mag 10.81,12.00 Sp A0
 
 
Coord 2000
20020+3522
Discov num
ES  243
Comp
Coord arcsec 2000
20 01 57.54 +35 22 16.5
Date first
1905
Date last
2010
Obs
7
Pa first
295
Pa last
279
P.A. Now (θ)
279°
Sep first
4.8
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
10.81
Mag sec
12.00
delta mag (ΔM)
1.19
Spectral class
A0 (white)
Pri motion ra
+006
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.9
Precise sep
4.93
Cdsa2 id
ES 243
Constellation
Cygnus
Ra deg
20.03265
De deg
35.37125
last precise pa
278.9
last precise sep
4.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20020+3522 ES 243 1998 5 281 4.9 10.81 12.00 D 200157.54+352216.5
20020+3522 ES 243 2002 6 280 5.0 10.81 12.00 D 200157.54+352216.5
20020+3522 ES 243 2010 7 278 4.1 10.81 12.00 A0 200157.54+352216.5

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