18452+3914 STF2392AB

 
 
18h 45m 09.99s +39 13' 32.8" P.A. 319 sep 2.5 mag 9.25,11.07 Sp A2 dist. 934.58 pc (3048.6 l.y.)
 
 
Coord 2000
18452+3914
Discov num
STF2392
Comp
AB
Coord arcsec 2000
18 45 09.99 +39 13 32.8
Date first
1831
Date last
2012
Obs
26
Pa first
317
Pa last
319
P.A. Now (θ)
319°
Sep first
2.7
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.25
Mag sec
11.07
delta mag (ΔM)
1.82
Spectral class
A2 (white)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-007
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
18452+3914 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67331 18452+3914 STF2392 AB 1831 2012 26 319 2.5 9.25 11.07 1.82 <===
Show 67331 18452+3914 STF2392 AC 1831 2012 26 173 24.2 9.25 10.46 1.21
Show 67331 18452+3914 STF2392 BC 1831 2012 18 172 25.3 11.07 10.46 0.61
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
319
Precise sep
2.5
Constellation
Lyra
SAO
67331
HIP
92005
Tycho2
3118-00694-1
BD
BD+39 3517
Distance
934.58
Distance ly
3048.6
last precise pa
319
last precise sep
2.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18452+3914 STF2392 AB 2002 22 315 3.0 9.25 11.07 A2 184509.99+391332.8
18452+3914 STF2392 AB 2007 24 315 3.1 9.25 11.07 A2 184509.99+391332.8
18452+3914 STF2392 AB 2009 25 314 3.0 9.25 11.07 A2 184509.99+391332.8
18452+3914 STF2392 AB 2012 26 319 2.5 9.25 11.07 A2 184509.99+391332.8

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