18290+3029 TDT 901

 
 
18h 28m 59.77s +30 28' 30.4" P.A. 42 sep 0.5 mag 10.84,10.94
 
 
Coord 2000
18290+3029
Discov num
TDT 901
Comp
Coord arcsec 2000
18 28 59.77 +30 28 30.4
Date first
1991
Date last
2010
Obs
3
Pa first
47
Pa last
42
P.A. Now (θ)
42°
Sep first
0.6
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.84
Mag sec
10.94
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
+005
Sec motion dec
+005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
41.9
Precise sep
0.5
Constellation
Lyra
Tycho2
2624-01708-1
last precise pa
41.9
last precise sep
0.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18290+3029 TDT 901 1991 1 47 0.6 10.84 10.94 182859.77+302830.4
18290+3029 TDT 901 2006 2 42 0.6 10.84 10.94 182859.77+302830.4
18290+3029 TDT 901 2010 3 42 0.5 10.84 10.94 182859.77+302830.4

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