18295+2955 STF2328AB

 
 
18h 29m 27.87s +29 55' 27.2" P.A. 71 sep 3.8 mag 9.00,9.50 Sp A2
 
 
Coord 2000
18295+2955
Discov num
STF2328
Comp
AB
Coord arcsec 2000
18 29 27.87 +29 55 27.2
Date first
1828
Date last
2011
Obs
53
Pa first
84
Pa last
71
P.A. Now (θ)
71°
Sep first
2.5
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
9.00
Mag sec
9.50
delta mag (ΔM)
0.5
Spectral class
A2 (white)
Pri motion ra
-022
Sec motion ra
-006
Pri motion dec
-021
Sec motion dec
-011
Notes
rPM=0.62
Nature of this double is uncertain.
 
 
18295+2955 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 86117 18295+2955 STF2328 AB 1828 2011 53 71 3.8 9.00 9.50 0.50 <===
Show 86117 18295+2955 WAL 91 AC 1944 2002 3 352 54.2 9.00 13.20 4.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
71
Precise sep
3.764
Constellation
Lyra
SAO
86117
Tycho2
2118-01398-1
HD
170669
last precise pa
71
last precise sep
3.764
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18295+2955 STF2328 AB 2006 46 73 5.3 9.00 9.50 A2 D 182927.87+295527.2
18295+2955 STF2328 AB 2008 49 71 3.7 9.00 9.50 A2 D 182927.87+295527.2
18295+2955 STF2328 AB 2009 53 72 3.7 9.00 9.50 A2 D 182927.87+295527.2
18295+2955 STF2328 AB 2011 55 71 3.8 9.00 9.50 A2 D 182927.87+295527.2

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