20191+3916 TRN  28AC

 
 
20h 19m 08.50s +39 16' 24.3" P.A. 158 sep 3.2 mag 7.44,15.00 Sp O7Ib dist. 925.93 pc (3020.38 l.y.)
 
 
Coord 2000
20191+3916
Discov num
TRN  28
Comp
AC
Coord arcsec 2000
20 19 08.50 +39 16 24.3
Date first
2001
Date last
2002
Obs
2
Pa first
157
Pa last
158
P.A. Now (θ)
158°
Sep first
3.2
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
7.44
Mag sec
15.00
delta mag (ΔM)
7.56
Spectral class
O7Ib (blue)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20191+3916 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20191+3916 TRN 28 AB 2001 2015 3 80 4.9 7.44 13.00 5.56
Show 20191+3916 TRN 28 AC 2001 2002 2 158 3.2 7.44 15.00 7.56 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
158
Precise sep
3.22
Constellation
Cygnus
SAO
69826
HIP
100173
Tycho2
3151-00549-1
Gaia DR2
53312825600
HD
193514
BD
BD+38 4006
Distance
925.93
Distance ly
3020.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20191+3916 TRN 28 AC 2002 2 158 3.2 7.44   201908.50+391624.3

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