18217+5740 MLR 536

 
 
18H 21M 43.56S +57 40' 12.3" P.A. 193 SEP 0.8 MAG 10.30,10.76 SP F8
 
 
Coord 2000
18217+5740
Discov num
MLR 536
Comp
Coord arcsec 2000
18 21 43.56 +57 40 12.3
Date first
1980
Date last
2010
Obs
7
Pa first
198
Pa last
193
P.A. Now (θ)
193°
Sep first
0.9
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
10.30
Mag sec
10.76
delta mag (ΔM)
0.46
Spectral class
F8 (yellow-white)
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
+032
Sec motion dec
+032
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
30927
Tycho2
3912-00263-1
HD
238861
last precise pa
193.2
last precise sep
0.835