18452+3914 STF2392BC

 
 
18h 45m 09.81s +39 13' 34.9" P.A. 172 sep 25.3 mag 11.07,10.46 dist. 934.58 pc (3048.6 l.y.)
 
 
Coord 2000
18452+3914
Discov num
STF2392
Comp
BC
Coord arcsec 2000
18 45 09.81 +39 13 34.9
Date first
1831
Date last
2012
Obs
18
Pa first
175
Pa last
172
P.A. Now (θ)
172°
Sep first
25.4
Sep last
25.3
Sep. Now (ρ)
25.3"
Mag pri
11.07
Mag sec
10.46
delta mag (ΔM)
0.61
Spectral class
Pri motion ra
+002
Sec motion ra
+009
Pri motion dec
+000
Sec motion dec
+000
Notes
rPM=0.778
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 18452+3914 STF2392 AB 1831 2012 26 319 2.5 9.25 11.07 1.82
Show 18452+3914 STF2392 AC 1831 2012 26 173 24.2 9.25 10.46 1.21
Show 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
172
Precise sep
25.34
Spectr
A2
Constellation
Lyra
HIP
92005
BD
BD+39 3517
Distance
934.58
Distance ly
3048.6
last precise pa
172
last precise sep
25.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18452+3914 STF2392 BC 2002 14 169 26.1 11.07 10.46 184530.00+391400.0
18452+3914 STF2392 BC 2012 16 172 25.3 11.07 10.46 184509.81+391334.9

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