20118+3540 SEI 979

 
 
20h 11m 44.84s +35 39' 35.3" P.A. 350 sep 6.3 mag 10.09,12.60 Sp A2V
 
 
Coord 2000
20118+3540
Discov num
SEI 979
Comp
Coord arcsec 2000
20 11 44.84 +35 39 35.3
Date first
1896
Date last
2015
Obs
10
Pa first
346
Pa last
350
P.A. Now (θ)
350°
Sep first
5.3
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
10.09
Mag sec
12.60
delta mag (ΔM)
2.51
Spectral class
A2V (white)
Pri motion ra
+005
Sec motion ra
+003
Pri motion dec
+001
Sec motion dec
-004
Notes
rPM=1.056
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
350
Precise sep
6.268
Constellation
Cygnus
Tycho2
2683-03681-1
Gaia DR2
63296047232
HD
228223
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20118+3540 SEI 979 1998 4 350 6.3 10.09 12.60 A2V D 201144.84+353935.3
20118+3540 SEI 979 2002 5 350 6.3 10.09 12.60 A2V D 201144.84+353935.3
20118+3540 SEI 979 2015 6 350 6.3 10.09 12.60 A2V 201144.84+353935.3

If you need more information about this double, apply for a data request form to the WDS.