20019+3139 AG  245

 
 
20h 01m 52.19s +31 39' 12.4" P.A. 21 sep 16.7 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
2015
Obs
16
Pa first
354
Pa last
21
P.A. Now (θ)
21°
Sep first
12.3
Sep last
16.7
Sep. Now (ρ)
16.7"
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
21.2
Precise sep
16.692
Constellation
Cygnus
SAO
69282
Tycho2
2670-04763-1
Gaia DR2
66427670912
HD
331700
 
 
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
20019+3139 AG 245 2015 12 21 16.7 8.67 10.20 F5V N 200152.19+313912.4

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