17476-2833 B   357

 
 
17h 47m 36.89s -28 33' 00.7" P.A. 309 sep 6.1 mag 9.97,12.00 Sp B9V
 
 
Coord 2000
17476-2833
Discov num
B   357
Comp
Coord arcsec 2000
17 47 36.89 -28 33 00.7
Date first
1927
Date last
1999
Obs
4
Pa first
310
Pa last
309
P.A. Now (θ)
309°
Sep first
5.9
Sep last
6.1
Sep. Now (ρ)
6.1"
Mag pri
9.97
Mag sec
12.00
delta mag (ΔM)
2.03
Spectral class
B9V (blue-white)
Pri motion ra
+010
Sec motion ra
-094
Pri motion dec
-015
Sec motion dec
+051
Notes
rPM=1.152
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.4
Precise sep
6.135
Constellation
Sagittarius
SAO
185757
Tycho2
6840-00457-1
HD
161593
last precise pa
309.4
last precise sep
6.135
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17476-2833 B 357 1998 2 309 6.3 9.97 12.00 B9V D 174736.89-283300.7
17476-2833 B 357 1999 3 309 6.1 9.97 12.00 B9V D 174736.89-283300.7

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