18581+4711 AG  366

 
 
18h 58m 03.46s +47 11' 30.1" P.A. 190 sep 1.4 mag 8.54,8.67 Sp G0
 
 
Coord 2000
18581+4711
Discov num
AG  366
Comp
Coord arcsec 2000
18 58 03.46 +47 11 30.1
Date first
1902
Date last
2015
Obs
40
Pa first
231
Pa last
190
P.A. Now (θ)
190°
Sep first
2.6
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
8.54
Mag sec
8.67
delta mag (ΔM)
0.13
Spectral class
G0 (yellow)
Pri motion ra
-040
Sec motion ra
-040
Pri motion dec
+012
Sec motion dec
+012
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
190.3
Precise sep
1.39
Constellation
Lyra
Tycho2
3545-01998-1
HD
176465
last precise pa
190.3
last precise sep
1.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18581+4711 AG 366 2005 24 192 1.5 8.54 8.67 G0 D 185803.46+471130.1
18581+4711 AG 366 2007 30 191 1.5 8.54 8.67 G0 D 185803.46+471130.1
18581+4711 AG 366 2009 31 190 1.5 8.54 8.67 G0 D 185803.46+471130.1
18581+4711 AG 366 2013 33 188 1.5 8.54 8.67 G0 185803.46+471130.1
18581+4711 AG 366 2015 32 186 1.4 8.54 8.67 G0 185803.46+471130.1

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