18294+4158 ES 1559BC

 
 
18h 29m 30.86s +41 57' 41.1" P.A. 187 sep 2.1 mag 11.45,12.12
 
 
Coord 2000
18294+4158
Discov num
ES 1559
Comp
BC
Coord arcsec 2000
18 29 30.86 +41 57 41.1
Date first
1916
Date last
1991
Obs
3
Pa first
181
Pa last
187
P.A. Now (θ)
187°
Sep first
1.9
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
11.45
Mag sec
12.12
delta mag (ΔM)
0.67
Spectral class
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
18294+4158 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47532 18294+4158 ES 1559 AB 1893 2003 6 87 76.9 9.25 11.45 2.20
Show 18294+4158 ES 1559 BC 1916 1991 3 187 2.1 11.45 12.12 0.67 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
Tycho2
3112-01775-1
last precise pa
186.7
last precise sep
2.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18294+4158 ES 1559 BC 1991 3 187 2.1 11.45 12.12 182930.86+415741.1

If you need more information about this double, apply for a data request form to the WDS.