20405+4343 COU2540

 
 
20h 40m 29.01s +43 43' 12.0" P.A. 117.00 sep 0.4 mag 10.90,11.70
 
 
Coord 2000
20405+4343
Discov num
COU2540
Comp
Coord arcsec 2000
20 40 29.01 +43 43 12.0
Date first
1988
Date last
2008
Obs
2
Pa first
103
Pa last
117
P.A. Now (θ)
117°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.90
Mag sec
11.70
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
+016
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.1
Precise sep
0.388
Constellation
Cygnus
Tycho2
3178-00716-1
Gaia DR2
77547174272
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20405+4343 COU2540 1988 1 103 0.4 10.00 10.80 204012.00+434300.0
20405+4343 COU2540 2008 2 117 0.4 10.90 11.70 204029.01+434312.0

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