20118+3200 SEI 975

 
 
20h 11m 48.06s +31 58' 40.2" P.A. 20 sep 11 mag 11.66,12.20
 
 
Coord 2000
20118+3200
Discov num
SEI 975
Comp
Coord arcsec 2000
20 11 48.06 +31 58 40.2
Date first
1893
Date last
2013
Obs
3
Pa first
12
Pa last
20
P.A. Now (θ)
20°
Sep first
11.4
Sep last
11.0
Sep. Now (ρ)
11"
Mag pri
11.66
Mag sec
12.20
delta mag (ΔM)
0.54
Spectral class
Pri motion ra
+007
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
19.5
Precise sep
11.01
Constellation
Cygnus
Tycho2
2675-01785-1
Gaia DR2
79107410432
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20118+3200 SEI 975 1893 1 12 11.4 11.66 12.20 201148.06+315840.2
20118+3200 SEI 975 2013 3 20 11.0 11.66 12.20 201148.06+315840.2

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