18567+6440 TDT1141

 
 
18h 56m 40.32s +64 40' 06.7" P.A. 167 sep 0.4 mag 10.58,10.95
 
 
Coord 2000
18567+6440
Discov num
TDT1141
Comp
Coord arcsec 2000
18 56 40.32 +64 40 06.7
Date first
1991
Date last
2010
Obs
3
Pa first
158
Pa last
167
P.A. Now (θ)
167°
Sep first
0.6
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.58
Mag sec
10.95
delta mag (ΔM)
0.37
Spectral class
Pri motion ra
+032
Sec motion ra
+032
Pri motion dec
+083
Sec motion dec
+083
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166.6
Precise sep
0.418
Constellation
Draco
Tycho2
4224-01669-1
last precise pa
166.6
last precise sep
0.418
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18567+6440 TDT1141 1991 1 158 0.6 10.58 10.95 185640.32+644006.7
18567+6440 TDT1141 2007 2 153 0.5 10.58 10.95 185640.32+644006.7
18567+6440 TDT1141 2010 3 167 0.4 10.58 10.95 185640.32+644006.7

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