20139+3545 COU2215

 
 
20h 13m 54.80s +35 45' 01.5" P.A. 73 sep 0.7 mag 9.86,10.38 Sp F8
 
 
Coord 2000
20139+3545
Discov num
COU2215
Comp
Coord arcsec 2000
20 13 54.80 +35 45 01.5
Date first
1984
Date last
2011
Obs
3
Pa first
78
Pa last
73
P.A. Now (θ)
73°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.86
Mag sec
10.38
delta mag (ΔM)
0.52
Spectral class
F8 (yellow-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-001
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
73.1
Precise sep
0.66
Constellation
Cygnus
Tycho2
2683-03919-1
Gaia DR2
25974734464
HD
228439
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20139+3545 COU2215 1991 2 72 0.5 9.86 10.38 F8 201354.80+354501.5
20139+3545 COU2215 2011 3 73 0.7 9.86 10.38 F8 201354.80+354501.5

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