20382+3109 AG  261

 
 
20h 38m 10.67s +31 08' 34.4" P.A. 155.00 sep 4.3 mag 9.37,9.98 Sp G5
 
 
Coord 2000
20382+3109
Discov num
AG  261
Comp
Coord arcsec 2000
20 38 10.67 +31 08 34.4
Date first
1902
Date last
2016
Obs
20
Pa first
156
Pa last
155
P.A. Now (θ)
155°
Sep first
4.2
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
9.37
Mag sec
9.98
delta mag (ΔM)
0.61
Spectral class
G5 (yellow)
Pri motion ra
+006
Sec motion ra
+007
Pri motion dec
+004
Sec motion dec
+003
Notes
V (Proper motion indicates physical)
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155
Precise sep
4.314
Constellation
Cygnus
Tycho2
2686-01468-1
Gaia DR2
14495468928
HD
334774
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20382+3109 AG 261 1999 15 155 4.3 9.37 9.98 G5 D 203810.67+310834.4
20382+3109 AG 261 2009 16 155 4.4 9.37 9.98 G5 D 203810.67+310834.4
20382+3109 AG 261 2016 18 155 4.3 9.37 9.98 G5 203810.67+310834.4

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