18030-0253 BRT 474

 
 
18H 02M 59.35S -02 52' 52.9" P.A. 52 SEP 4.6 MAG 11.50,11.60
 
 
Coord 2000
18030-0253
Discov num
BRT 474
Comp
Coord arcsec 2000
18 02 59.35 -02 52 52.9
Date first
1897
Date last
2000
Obs
4
Pa first
59
Pa last
52
P.A. Now (θ)
52°
Sep first
4.7
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
11.50
Mag sec
11.60
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-003
Sec motion ra
+029
Pri motion dec
-010
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
Tycho2
5100-00305-1
last precise pa
52
last precise sep
4.582