18394-0239 BRT1948

 
 
18H 39M 21.80S -02 38' 36.3" P.A. 247 SEP 4.1 MAG 9.80,12.30 SP F0
 
 
Coord 2000
18394-0239
Discov num
BRT1948
Comp
Coord arcsec 2000
18 39 21.80 -02 38 36.3
Date first
1931
Date last
2003
Obs
5
Pa first
251
Pa last
247
P.A. Now (θ)
247°
Sep first
3.3
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
9.80
Mag sec
12.30
delta mag (ΔM)
2.5
Spectral class
F0 (yellow-white)
Pri motion ra
-009
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
Tycho2
5117-00577-1
HD
172274
last precise pa
246.8
last precise sep
4.14