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
rPM=1.237
This double is not physical.
 
 
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
 
 
Precise pa
69.1
Precise sep
178.127
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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18066+5001 STF2290 AC 1909 2 70 177.5 8.80 12.60 A5 180637.28+500038.3
18066+5001 STF2290 AC 2000 3 69 177.9 8.90 12.70 A5 180637.28+500038.3
18066+5001 STF2290 AC 2003 4 70 177.4 8.90 12.70 A5 180637.28+500038.3
18066+5001 STF2290 AC 2015 5 69 178.1 9.23 12.70 A5 180637.28+500038.3

If you need more information about this double, apply for a data request form to the WDS.