17240-0050 STF2156

 
 
17H 23M 57.34S -00 50' 06.8" P.A. 36 SEP 3.8 MAG 8.95,9.50 SP F2
 
 
Coord 2000
17240-0050
Discov num
STF2156
Comp
Coord arcsec 2000
17 23 57.34 -00 50 06.8
Date first
1830
Date last
2016
Obs
52
Pa first
32
Pa last
36
P.A. Now (θ)
36°
Sep first
3.3
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
8.95
Mag sec
9.50
delta mag (ΔM)
0.55
Spectral class
F2 (yellow-white)
Pri motion ra
-043
Sec motion ra
-045
Pri motion dec
-002
Sec motion dec
+004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
141648
Tycho2
5067-00288-1
HD
157544
last precise pa
35.8
last precise sep
3.844