18294+4158 ES 1559BC

 
 
18h 29m 30.86s +41 57' 41.1" P.A. 185 sep 2 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
2015
Obs
4
Pa first
181
Pa last
185
P.A. Now (θ)
185°
Sep first
1.9
Sep last
2.0
Sep. Now (ρ)
2"
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 2015 7 88 76.8 9.25 11.45 2.20
Show 47532 18294+4158 ES 1559 BC 1916 2015 4 185 2.0 11.45 12.12 0.67 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
184.8
Precise sep
2
Constellation
Lyra
SAO
47532
Tycho2
3112-01775-1
Gaia DR2
2111302229321513984
 
 
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
18294+4158 ES 1559 BC 2015 4 185 2.0 11.45 12.12 182930.86+415741.1

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