18498-1655 TDT4316

 
 
18h 49m 48.72s -16 55' 11.0" P.A. 333 sep 45.1 mag 9.89,12.03 Sp B9III
 
 
Coord 2000
18498-1655
Discov num
TDT4316
Comp
Coord arcsec 2000
18 49 48.72 -16 55 11.0
Date first
1905
Date last
2010
Obs
9
Pa first
334
Pa last
333
P.A. Now (θ)
333°
Sep first
45.5
Sep last
45.1
Sep. Now (ρ)
45.1"
Mag pri
9.89
Mag sec
12.03
delta mag (ΔM)
2.14
Spectral class
B9III (blue-white)
Pri motion ra
-006
Sec motion ra
-011
Pri motion dec
-006
Sec motion dec
-005
Notes
rPM=0.422
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
332.7
Precise sep
45.06
Cdsa2 id
TDT 4316
Constellation
Sagittarius
Ra deg
18.8302
De deg
-16.919722222222223
last precise pa
332.7
last precise sep
45.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18498-1655 TDT4316 1998 6 333 45.0 9.89 11.71 D 184948.72-165511.0
18498-1655 TDT4316 2000 8 333 45.0 9.89 11.71 D 184948.72-165511.0
18498-1655 TDT4316 2010 9 333 45.0 9.89 12.03 B9III 184948.72-165511.0

If you need more information about this double, apply for a data request form to the WDS.