20168+3942 DAM1040FG

 
 
20H 16M 50.13S +39 41' 38.0" P.A. 225 SEP 3.5 MAG 14.00,15.10 DIST. 2702.7 PC (8816.21 L.Y.)
 
 
Coord 2000
20168+3942
Discov num
DAM1040
Comp
FG
Coord arcsec 2000
20 16 50.13 +39 41 38.0
Date first
1998
Date last
2008
Obs
3
Pa first
225
Pa last
225
P.A. Now (θ)
225°
Sep first
3.6
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
14.00
Mag sec
15.10
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
+011
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20168+3942 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69749 20168+3942 STF2663 AB 1831 2011 38 324 5.4 8.20 8.66 0.46
Show 69749 20168+3942 CTT 21 AC 1896 2011 4 188 104.0 8.20 11.70 3.50
Show 69749 20168+3942 DAM1040 AF 1994 1998 2 123 22.3 8.20 14.00 5.80
Show 69749 20168+3942 DAM1040 FG 1998 2008 3 225 3.5 14.00 15.10 1.10 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
B9V
Constellation
Cygnus
SAO
69749
HIP
99954
Tycho2
3155-01740-1
HD
193063
BD
BD+39 4113
Distance
2702.7
Distance ly
8816.21
last precise pa
224.9
last precise sep
3.54