18514+2954 TDT1087

 
 
18h 51m 21.18s +29 53' 46.7" P.A. 203 sep 1.5 mag 11.30,12.27
 
 
Coord 2000
18514+2954
Discov num
TDT1087
Comp
Coord arcsec 2000
18 51 21.18 +29 53 46.7
Date first
1991
Date last
2009
Obs
3
Pa first
206
Pa last
203
P.A. Now (θ)
203°
Sep first
1.6
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
11.30
Mag sec
12.27
delta mag (ΔM)
0.97
Spectral class
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
+007
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
203
Precise sep
1.54
Constellation
Lyra
Tycho2
2121-00094-1
last precise pa
203
last precise sep
1.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18514+2954 TDT1087 1991 1 206 1.6 11.30 12.27 185121.18+295346.7
18514+2954 TDT1087 2008 2 203 1.5 11.30 12.27 185121.18+295346.7
18514+2954 TDT1087 2009 3 203 1.5 11.30 12.27 185121.18+295346.7

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