18181+4334 A   579

 
 
18h 18m 07.40s +43 34' 11.0" P.A. 340 sep 1.5 mag 9.32,11.22 Sp K0 dist. 294.12 pc (959.42 l.y.)
 
 
Coord 2000
18181+4334
Discov num
A   579
Comp
Coord arcsec 2000
18 18 07.40 +43 34 11.0
Date first
1903
Date last
2017
Obs
11
Pa first
342
Pa last
340
P.A. Now (θ)
340°
Sep first
1.5
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.32
Mag sec
11.22
delta mag (ΔM)
1.9
Spectral class
K0 (yellow-orange)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.8
Precise sep
1.54
Constellation
Lyra
SAO
47367
HIP
89682
Tycho2
3115-01251-1
Gaia DR2
2114682467365119360
BD
BD+43 2939
Distance
294.12
Distance ly
959.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18181+4334 A 579 1997 10 347 1.6 9.32 11.22 K0 D 181807.40+433411.0
18181+4334 A 579 2017 11 340 1.5 9.32 11.22 K0 181807.40+433411.0

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