20046+3641 A  1413

 
 
20h 04m 34.48s +36 40' 49.1" P.A. 139 sep 2.4 mag 9.97,10.60 Sp A7V
 
 
Coord 2000
20046+3641
Discov num
A  1413
Comp
Coord arcsec 2000
20 04 34.48 +36 40 49.1
Date first
1906
Date last
2017
Obs
12
Pa first
138
Pa last
139
P.A. Now (θ)
139°
Sep first
2.2
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
9.97
Mag sec
10.60
delta mag (ΔM)
0.63
Spectral class
A7V (white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.8
Precise sep
2.393
Constellation
Cygnus
SAO
69366
Tycho2
2682-01241-1
Gaia DR2
51592675456
HD
227487
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20046+3641 A 1413 1999 10 138 2.3 9.97 10.60 A7V 200434.48+364049.1
20046+3641 A 1413 2016 11 137 2.2 9.97 10.60 A7V 200434.48+364049.1

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