18066+5001 STF2290AB

 
 
18h 06m 37.28s +50 00' 38.3" P.A. 352 sep 3.9 mag 9.23,11.20 Sp A5 dist. 684.93 pc (2234.24 l.y.)
 
 
Coord 2000
18066+5001
Discov num
STF2290
Comp
AB
Coord arcsec 2000
18 06 37.28 +50 00 38.3
Date first
1832
Date last
2009
Obs
14
Pa first
351
Pa last
352
P.A. Now (θ)
352°
Sep first
3.9
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
9.23
Mag sec
11.20
delta mag (ΔM)
1.97
Spectral class
A5 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-002
Sec motion dec
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
 
 
Precise pa
352.3
Precise sep
3.851
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
352.3
last precise sep
3.851
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18066+5001 STF2290 AB 2004 11 353 4.0 8.90 11.20 A5 D 180637.28+500038.3
18066+5001 STF2290 AB 2009 13 352 3.9 8.90 11.20 A5 D 180637.28+500038.3
18066+5001 STF2290 AB 2010 15 354 3.7 9.23 11.20 A5 180637.28+500038.3

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