20205+4351 TRN  29AC

 
 
20h 20m 27.98s +43 51' 16.3" P.A. 202 sep 2.3 mag 6.85,16.00 Sp WC6/7 dist. 4000 pc (13048 l.y.)
 
 
Coord 2000
20205+4351
Discov num
TRN  29
Comp
AC
Coord arcsec 2000
20 20 27.98 +43 51 16.3
Date first
2001
Date last
2001
Obs
1
Pa first
202
Pa last
202
P.A. Now (θ)
202°
Sep first
2.3
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
6.85
Mag sec
16.00
delta mag (ΔM)
9.15
Spectral class
WC6/7 (Wolf-Rayet)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20205+4351 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20205+4351 IOT 2 Aa,Ab 2003 2009 7 155 0.0 6.85 Y
Show V1687 Cyg 20205+4351 BU 1207 AB 1890 2015 10 211 4.8 6.85 14.40 7.55
Show 20205+4351 TRN 29 AC 2001 2001 1 202 2.3 6.85 16.00 9.15 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
202
Precise sep
2.29
Var name
V1687 Cyg
Constellation
Cygnus
SAO
49491
HIP
100287
Tycho2
3164-01678-1
Gaia DR2
72633822592
HD
193793
BD
BD+43 3571
Distance
4000
Distance ly
13048
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20205+4351 TRN 29 AC 2001 1 202 2.3 6.85   N 202027.98+435116.3

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