20129+3642 SEI1011

 
 
20h 12m 56.25s +36 42' 17.9" P.A. 257 sep 6.9 mag 10.50,11.00
 
 
Coord 2000
20129+3642
Discov num
SEI1011
Comp
Coord arcsec 2000
20 12 56.25 +36 42 17.9
Date first
1896
Date last
2015
Obs
10
Pa first
260
Pa last
257
P.A. Now (θ)
257°
Sep first
6.4
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
10.50
Mag sec
11.00
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+004
Sec motion ra
-008
Pri motion dec
-005
Sec motion dec
-006
Notes
rPM=1.204
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
257.2
Precise sep
6.93
Constellation
Cygnus
SAO
69625
Gaia DR2
93947923840
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20129+3642 SEI1011 2006 3 258 7.0 10.50 11.00 D 201256.25+364217.9
20129+3642 SEI1011 2010 4 259 6.8 10.50 11.00 D 201256.25+364217.9
20129+3642 SEI1011 2015 6 257 6.9 10.50 11.00 201256.25+364217.9

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