20401+3551 SEI1211

 
 
20h 40m 01.96s +35 51' 07.2" P.A. 149.00 sep 20.4 mag 10.36,12.40
 
 
Coord 2000
20401+3551
Discov num
SEI1211
Comp
Coord arcsec 2000
20 40 01.96 +35 51 07.2
Date first
1896
Date last
2015
Obs
10
Pa first
141
Pa last
149
P.A. Now (θ)
149°
Sep first
20.2
Sep last
20.4
Sep. Now (ρ)
20.4"
Mag pri
10.36
Mag sec
12.40
delta mag (ΔM)
2.04
Spectral class
Pri motion ra
+002
Sec motion ra
-018
Pri motion dec
-003
Sec motion dec
-021
Notes
rPM=0.973
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148.7
Precise sep
20.364
Constellation
Cygnus
Tycho2
2698-00263-1
Gaia DR2
1870511996041939584
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20401+3551 SEI1211 1998 3 148 20.2 10.36 12.40 D 204001.96+355107.2
20401+3551 SEI1211 2002 4 148 20.3 10.36 12.40 D 204001.96+355107.2
20401+3551 SEI1211 2010 5 148 20.4 10.36 12.40 204001.96+355107.2
20401+3551 SEI1211 2015 6 149 20.4 10.36 12.40 204001.96+355107.2

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