18301+0404 STF2322AD

 
 
18H 30M 05.12S +04 03' 55.3" P.A. 197 SEP 85.3 MAG 6.67,13.39 SP B2V DIST. 507.61 PC (1655.82 L.Y.)
 
 
Coord 2000
18301+0404
Discov num
STF2322
Comp
AD
Coord arcsec 2000
18 30 05.12 +04 03 55.3
Date first
1912
Date last
2009
Obs
7
Pa first
194
Pa last
197
P.A. Now (θ)
197°
Sep first
85.2
Sep last
85.3
Sep. Now (ρ)
85.3"
Mag pri
6.67
Mag sec
13.39
delta mag (ΔM)
6.72
Spectral class
B2V (blue-white)
Pri motion ra
-001
Sec motion ra
-003
Pri motion dec
-007
Sec motion dec
-003
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18301+0404 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 123571 18301+0404 CHR 72 Aa,Ab 1985 2015 13 264 0.1 6.70 9.60 2.90
Show 123571 18301+0404 STF2322 AB 1828 2012 28 316 1.8 6.67 11.28 4.61
Show 123571 18301+0404 STF2322 AC 1912 2009 9 295 67.7 6.67 12.79 6.12
Show 123571 18301+0404 STF2322 AD 1912 2009 7 197 85.3 6.67 13.39 6.72 <===
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
123571
HIP
90676
Tycho2
0454-01662-1
HD
170580
HR
6941
BD
BD+03 3727
Distance
507.61
Distance ly
1655.82
last precise pa
196.8
last precise sep
85.34