18452+3819 STF2393BC

 
 
18h 45m 11.42s +38 19' 10.4" P.A. 296 sep 182.8 mag 10.40,11.62 dist. 689.66 pc (2249.67 l.y.)
 
 
Coord 2000
18452+3819
Discov num
STF2393
Comp
BC
Coord arcsec 2000
18 45 11.42 +38 19 10.4
Date first
1921
Date last
2015
Obs
8
Pa first
296
Pa last
296
P.A. Now (θ)
296°
Sep first
178.4
Sep last
182.8
Sep. Now (ρ)
182.8"
Mag pri
10.40
Mag sec
11.62
delta mag (ΔM)
1.22
Spectral class
Pri motion ra
+008
Sec motion ra
-023
Pri motion dec
-008
Sec motion dec
+045
Notes
N (See Notes)
rPM=1.215
This double is not physical.
 
 
18452+3819 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18452+3819 STF2393 AB 1782 2015 31 24 18.2 7.80 10.40 2.60
Show 18452+3819 STF2393 AC 1880 2015 10 302 184.5 7.80 11.62 3.82
Show 18452+3819 STF2393 BC 1921 2015 8 296 182.8 10.40 11.62 1.22 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.2
Precise sep
182.831
Spectr
K5III
Constellation
Lyra
SAO
67330
HIP
92007
Tycho2
3118-01211-1
Gaia DR2
02390858880
HD
173741
BD
BD+38 3280
Distance
689.66
Distance ly
2249.67
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18452+3819 STF2393 BC 2002 6 296 181.9 10.40 11.30 N D 184511.42+381910.4
18452+3819 STF2393 BC 2015 8 296 182.8 10.40 11.62 N 184511.42+381910.4

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