18452+3914 STF2392BC

 
 
18h 45m 09.81s +39 13' 34.9" P.A. 172 sep 25.3 mag 11.07,10.46
 
 
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
Cdsa2 id
STF 2392 BC
Constellation
Lyra
Ra deg
18.752725
De deg
39.22636111111111
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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