18069+4647 ES 1157AD

 
 
18h 06m 54.06s +46 46' 42.5" P.A. 238 sep 49.7 mag 8.36,11.65 Sp F2 dist. 124.22 pc (405.21 l.y.)
 
 
Coord 2000
18069+4647
Discov num
ES 1157
Comp
AD
Coord arcsec 2000
18 06 54.06 +46 46 42.5
Date first
1893
Date last
2006
Obs
7
Pa first
245
Pa last
238
P.A. Now (θ)
238°
Sep first
46.5
Sep last
49.7
Sep. Now (ρ)
49.7"
Mag pri
8.36
Mag sec
11.65
delta mag (ΔM)
3.29
Spectral class
F2 (yellow-white)
Pri motion ra
+001
Sec motion ra
-001
Pri motion dec
+045
Sec motion dec
-015
Notes
U (Proper motion indicates non-physical)
rPM=1.334
This double is not physical.
 
 
18069+4647 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47227 18069+4647 ES 1157 AB 1912 2006 8 179 26.7 8.42 11.29 2.87
Show 47227 18069+4647 ES 1157 AD 1893 2006 7 238 49.7 8.36 11.65 3.29 <===
Show 47227 18069+4647 ES 1157 BC 1912 2006 4 12 2.6 11.29 12.00 0.71
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
237.5
Precise sep
49.65
Constellation
Hercules
SAO
47227
HIP
88733
Tycho2
3524-00082-1
HD
166118
BD
BD+46 2428
Distance
124.22
Distance ly
405.21
last precise pa
237.5
last precise sep
49.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18069+4647 ES 1157 AD 2006 6 238 49.7 8.36 11.65 D 180654.06+464642.5

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