20239+3238 SEI1112

 
 
20h 23m 54.96s +32 38' 11.7" P.A. 209 sep 20.2 mag 11.06,12.10
 
 
Coord 2000
20239+3238
Discov num
SEI1112
Comp
Coord arcsec 2000
20 23 54.96 +32 38 11.7
Date first
1893
Date last
2015
Obs
15
Pa first
213
Pa last
209
P.A. Now (θ)
209°
Sep first
21.1
Sep last
20.2
Sep. Now (ρ)
20.2"
Mag pri
11.06
Mag sec
12.10
delta mag (ΔM)
1.04
Spectral class
Pri motion ra
-004
Sec motion ra
-007
Pri motion dec
-003
Sec motion dec
-005
Notes
rPM=0.419
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.6
Precise sep
20.199
Constellation
Cygnus
Tycho2
2676-00932-1
Gaia DR2
39929207936
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20239+3238 SEI1112 1998 7 209 20.2 11.06 12.10 D 202354.96+323811.7
20239+3238 SEI1112 2008 8 208 20.6 11.06 12.10 D 202354.96+323811.7
20239+3238 SEI1112 2010 10 208 20.1 11.06 12.10 202354.96+323811.7
20239+3238 SEI1112 2015 11 210 20.3 11.06 12.10 202354.96+323811.7

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