18248+2156 BRT2445

 
 
18H 24M 49.77S +21 55' 55.3" P.A. 21 SEP 2.5 MAG 10.79,12.29 SP K0
 
 
Coord 2000
18248+2156
Discov num
BRT2445
Comp
Coord arcsec 2000
18 24 49.77 +21 55 55.3
Date first
1898
Date last
2007
Obs
4
Pa first
16
Pa last
21
P.A. Now (θ)
21°
Sep first
2.1
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
10.79
Mag sec
12.29
delta mag (ΔM)
1.5
Spectral class
K0 (yellow-orange)
Pri motion ra
-015
Sec motion ra
-015
Pri motion dec
-039
Sec motion dec
-039
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
1581-01316-1
HD
342157
last precise pa
21.3
last precise sep
2.46