18257+5701 TDT 857

 
 
18H 25M 41.52S +57 01' 21.3" P.A. 221 SEP 0.6 MAG 11.32,11.40
 
 
Coord 2000
18257+5701
Discov num
TDT 857
Comp
Coord arcsec 2000
18 25 41.52 +57 01 21.3
Date first
1991
Date last
1991
Obs
1
Pa first
221
Pa last
221
P.A. Now (θ)
221°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
11.32
Mag sec
11.40
delta mag (ΔM)
0.08
Spectral class
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
-014
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
Tycho2
3912-01127-1
last precise pa
221.1
last precise sep
0.56