20145+3640 BLL  48AB (V1679 Cyg)

 
 
20h 14m 31.77s +36 39' 39.6" P.A. 117 sep 113.6 mag 7.97,10.06 Sp WC dist. 2083.33 pc (6795.82 l.y.)
 
 
Coord 2000
20145+3640
Discov num
BLL  48
Comp
AB
Coord arcsec 2000
20 14 31.77 +36 39 39.6
Date first
1878
Date last
2015
Obs
18
Pa first
118
Pa last
117
P.A. Now (θ)
117°
Sep first
113.6
Sep last
113.6
Sep. Now (ρ)
113.6"
Mag pri
7.97
Mag sec
10.06
delta mag (ΔM)
2.09
Spectral class
WC (Wolf-Rayet)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-007
Sec motion dec
-008
Notes
N (See Notes)
rPM=0.117 (< 0.3, Physical double)
This double is physical.
 
 
20145+3640 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20145+3640 RJJ 1 Aa,Ab 2005 2013 2 132 0.0 7.40 7.70 0.30
Show V1679 Cyg 20145+3640 BLL 48 AB 1878 2015 18 117 113.6 7.97 10.06 2.09 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.2
Precise sep
113.613
Var name
V1679 Cyg
Constellation
Cygnus
SAO
69677
HIP
99769
Tycho2
2683-03369-1
Gaia DR2
77869902592
HD
192641
BD
BD+36 3956
Distance
2083.33
Distance ly
6795.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20145+3640 BLL 48 AB 2003 16 118 113.6 7.97 10.06 WC N 201431.77+363939.6
20145+3640 BLL 48 AB 2015 17 117 113.6 7.97 10.06 WC N 201431.77+363939.6

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