18100-2157 BRT1515

 
 
18H 09M 57.72S -21 57' 19.2" P.A. 36 SEP 4.4 MAG 10.24,10.66
 
 
Coord 2000
18100-2157
Discov num
BRT1515
Comp
Coord arcsec 2000
18 09 57.72 -21 57 19.2
Date first
1920
Date last
2010
Obs
7
Pa first
27
Pa last
36
P.A. Now (θ)
36°
Sep first
2.7
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
10.24
Mag sec
10.66
delta mag (ΔM)
0.42
Spectral class
Pri motion ra
-043
Sec motion ra
+012
Pri motion dec
-102
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6276-00387-2
HD
313941
last precise pa
35.5
last precise sep
4.39