20019+3139 AG  245

 
 
20h 01m 52.19s +31 39' 12.4" P.A. 20 sep 16.5 mag 8.67,10.20 Sp F5V
 
 
Coord 2000
20019+3139
Discov num
AG  245
Comp
Coord arcsec 2000
20 01 52.19 +31 39 12.4
Date first
1893
Date last
2011
Obs
11
Pa first
354
Pa last
20
P.A. Now (θ)
20°
Sep first
12.3
Sep last
16.5
Sep. Now (ρ)
16.5"
Mag pri
8.67
Mag sec
10.20
delta mag (ΔM)
1.53
Spectral class
F5V (yellow-white)
Pri motion ra
-070
Sec motion ra
Pri motion dec
-042
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.2
Precise sep
16.5
Cdsa2 id
AG 245
Constellation
Cygnus
Ra deg
20.031163888888887
De deg
31.653444444444442
last precise pa
20.2
last precise sep
16.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20019+3139 AG 245 1998 10 7 14.7 8.67 10.20 F5V D 200152.19+313912.4
20019+3139 AG 245 2011 11 20 16.5 8.67 10.20 F5V D 200152.19+313912.4

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