17543-1828 A  2253

 
 
17h 54m 16.46s -18 27' 51.8" P.A. 75 sep 0.4 mag 9.60,12.90 Sp F7V
 
 
Coord 2000
17543-1828
Discov num
A  2253
Comp
Coord arcsec 2000
17 54 16.46 -18 27 51.8
Date first
1910
Date last
1937
Obs
5
Pa first
111
Pa last
75
P.A. Now (θ)
75°
Sep first
0.6
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.60
Mag sec
12.90
delta mag (ΔM)
3.3
Spectral class
F7V (yellow-white)
Pri motion ra
+037
Sec motion ra
Pri motion dec
-028
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
75.3
Precise sep
0.39
Constellation
Sagittarius
SAO
160895
Tycho2
6254-00021-1
HD
162921
last precise pa
75.3
last precise sep
0.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17543-1828 A 2253 1937 5 75 0.4 9.60 12.90 F7V 175416.46-182751.8

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