18197+4453 ES 2665AB

 
 
18h 19m 42.22s +44 53' 17.2" P.A. 22 sep 10 mag 8.76,11.27 Sp F5 dist. 125 pc (407.75 l.y.)
 
 
Coord 2000
18197+4453
Discov num
ES 2665
Comp
AB
Coord arcsec 2000
18 19 42.22 +44 53 17.2
Date first
1894
Date last
2006
Obs
8
Pa first
25
Pa last
22
P.A. Now (θ)
22°
Sep first
9.8
Sep last
10.0
Sep. Now (ρ)
10"
Mag pri
8.76
Mag sec
11.27
delta mag (ΔM)
2.51
Spectral class
F5 (yellow-white)
Pri motion ra
+015
Sec motion ra
+013
Pri motion dec
-031
Sec motion dec
-029
Notes
rPM=0.082 (< 0.3, Physical double)
This double is physical.
 
 
18197+4453 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47393 18197+4453 ES 2665 AB 1894 2006 8 22 10.0 8.76 11.27 2.51 <===
Show 47393 18197+4453 WAL 90 AC 1894 2003 5 334 76.7 8.76 12.28 3.52
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22
Precise sep
9.96
Constellation
Lyra
SAO
47393
HIP
89810
Tycho2
3115-00153-1
HD
168850
BD
BD+44 2878
Distance
125
Distance ly
407.75
last precise pa
22
last precise sep
9.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18197+4453 ES 2665 AB 2006 7 22 10.0 8.76 11.27 F5 D 181942.22+445317.2
18197+4453 ES 2665 AB 2010 9 22 9.7 8.76 11.27 F5 181942.22+445317.2

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