20406+3603 SEI1213

 
 
20h 40m 37.13s +36 02' 49.4" P.A. 243.00 sep 29.3 mag 11.73,12.29
 
 
Coord 2000
20406+3603
Discov num
SEI1213
Comp
Coord arcsec 2000
20 40 37.13 +36 02 49.4
Date first
1896
Date last
2015
Obs
12
Pa first
247
Pa last
243
P.A. Now (θ)
243°
Sep first
26.9
Sep last
29.3
Sep. Now (ρ)
29.3"
Mag pri
11.73
Mag sec
12.29
delta mag (ΔM)
0.56
Spectral class
Pri motion ra
+001
Sec motion ra
-012
Pri motion dec
-002
Sec motion dec
-026
Notes
rPM=0.953
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
243.3
Precise sep
29.315
Constellation
Cygnus
Tycho2
2698-00617-1
Gaia DR2
1870521238808441728
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20406+3603 SEI1213 1998 6 244 29.0 11.82 12.30 D 204037.13+360249.4
20406+3603 SEI1213 2002 7 244 29.0 11.82 12.30 D 204037.13+360249.4
20406+3603 SEI1213 2010 8 244 29.4 11.73 12.29 204037.13+360249.4
20406+3603 SEI1213 2015 12 243 29.3 11.73 12.29 204037.13+360249.4

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