20293+3901 DAM 315

 
 
20h 29m 17.60s +39 01' 12.2" P.A. 281.00 sep 10.3 mag 13.40,13.80 Sp G5+G8
 
 
Coord 2000
20293+3901
Discov num
DAM 315
Comp
Coord arcsec 2000
20 29 17.60 +39 01 12.2
Date first
1998
Date last
2016
Obs
10
Pa first
280
Pa last
281
P.A. Now (θ)
281°
Sep first
10.0
Sep last
10.3
Sep. Now (ρ)
10.3"
Mag pri
13.40
Mag sec
13.80
delta mag (ΔM)
0.4
Spectral class
G5+G8 (yellow/yellow)
Pri motion ra
+007
Sec motion ra
-007
Pri motion dec
-027
Sec motion dec
-019
Notes
rPM=0.578
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
280.7
Precise sep
10.285
Constellation
Cygnus
SAO
70100
Gaia DR2
99372744832
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20293+3901 DAM 315 2000 1 280 10.0 13.40 13.80 202917.60+390112.2
20293+3901 DAM 315 2002 3 280 10.1 13.40 13.80 202917.60+390112.2
20293+3901 DAM 315 2010 3 283 9.6 13.40 13.80 202917.60+390112.2
20293+3901 DAM 315 2016 6 281 10.3 13.40 13.80 G5+G8 202917.60+390112.2

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