18309+3417 ABH 100AD

 
 
18h 30m 54.06s +34 16' 30.9" P.A. 271 sep 35.1 mag 9.33,13.50 Sp F9V
 
 
Coord 2000
18309+3417
Discov num
ABH 100
Comp
AD
Coord arcsec 2000
18 30 54.06 +34 16 30.9
Date first
1988
Date last
2002
Obs
3
Pa first
271
Pa last
271
P.A. Now (θ)
271°
Sep first
35.6
Sep last
35.1
Sep. Now (ρ)
35.1"
Mag pri
9.33
Mag sec
13.50
delta mag (ΔM)
4.17
Spectral class
F9V (yellow-white)
Pri motion ra
+006
Sec motion ra
-009
Pri motion dec
+002
Sec motion dec
+000
Notes
U (Proper motion indicates non-physical)
rPM=1.681
This double is not physical.
 
 
18309+3417 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67051 18309+3417 COU1150 Aa,Ab 1974 2016 12 283 0.4 9.80 10.10 0.30
Show 67051 18309+3417 STF2335 AB 1833 2008 17 318 12.0 9.33 10.70 1.37
Show 67051 18309+3417 STF2335 AC 1833 2008 18 153 25.3 9.33 11.00 1.67
Show 67051 18309+3417 ABH 100 AD 1988 2002 3 271 35.1 9.33 13.50 4.17 <===
Show 67051 18309+3417 ABH 100 AE 1944 2002 4 20 42.7 9.33 13.58 4.25
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270.5
Precise sep
35.115
Constellation
Lyra
SAO
67051
Tycho2
2632-00514-1
last precise pa
270.5
last precise sep
35.115
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18309+3417 ABH 100 AD 1998 2 271 34.9 9.33 13.50 F9V D 183054.06+341630.9
18309+3417 ABH 100 AD 2002 3 271 35.1 9.33 13.50 F9V UD 183054.06+341630.9

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