17554-2311 RST3135

 
 
17h 55m 24.50s -23 11' 23.5" P.A. 81 sep 0.5 mag 10.87,11.04 Sp B3
 
 
Coord 2000
17554-2311
Discov num
RST3135
Comp
Coord arcsec 2000
17 55 24.50 -23 11 23.5
Date first
1935
Date last
1991
Obs
3
Pa first
63
Pa last
81
P.A. Now (θ)
81°
Sep first
1.2
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.87
Mag sec
11.04
delta mag (ΔM)
0.17
Spectral class
B3 (blue-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
80.9
Precise sep
0.51
Constellation
Sagittarius
SAO
185940
Tycho2
6841-00013-1
HD
313439
last precise pa
80.9
last precise sep
0.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17554-2311 RST3135 1991 3 81 0.5 10.87 11.04 B3 175524.50-231123.5

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