18066+5001 STF2290AC

 
 
18H 06M 37.28S +50 00' 38.3" P.A. 69 SEP 178.1 MAG 9.23,12.70 SP A5 DIST. 684.93 PC (2234.24 L.Y.)
 
 
Coord 2000
18066+5001
Discov num
STF2290
Comp
AC
Coord arcsec 2000
18 06 37.28 +50 00 38.3
Date first
1880
Date last
2015
Obs
5
Pa first
70
Pa last
69
P.A. Now (θ)
69°
Sep first
177.1
Sep last
178.1
Sep. Now (ρ)
178.1"
Mag pri
9.23
Mag sec
12.70
delta mag (ΔM)
3.47
Spectral class
A5 (white)
Pri motion ra
-001
Sec motion ra
+002
Pri motion dec
-002
Sec motion dec
+009
Notes
Nature of this double is uncertain.
 
 
18066+5001 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 30749 18066+5001 COU2276 Aa,Ab 1985 1993 3 13 0.3 9.77 10.00 0.23
Show 30749 18066+5001 STF2290 AB 1832 2009 14 352 3.9 9.23 11.20 1.97
Show 30749 18066+5001 STF2290 AC 1880 2015 5 69 178.1 9.23 12.70 3.47 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
30749
HIP
88713
Tycho2
3532-01520-1
HD
234561
BD
BD+49 2730
Distance
684.93
Distance ly
2234.24
last precise pa
69.1
last precise sep
178.127