17455-2804 SEE 337AB

 
 
17H 45M 31.65S -28 03' 54.6" P.A. 10 SEP 9.9 MAG 8.70,10.59 SP B7IV/V
 
 
Coord 2000
17455-2804
Discov num
SEE 337
Comp
AB
Coord arcsec 2000
17 45 31.65 -28 03 54.6
Date first
1897
Date last
2000
Obs
11
Pa first
10
Pa last
10
P.A. Now (θ)
10°
Sep first
10.0
Sep last
9.9
Sep. Now (ρ)
9.9"
Mag pri
8.70
Mag sec
10.59
delta mag (ΔM)
1.89
Spectral class
B7IV/V (blue-white)
Pri motion ra
+004
Sec motion ra
+001
Pri motion dec
-003
Sec motion dec
-006
Notes
rPM=0.697
Nature of this double is uncertain.
 
 
17455-2804 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 185705 17455-2804 SEE 337 AB 1897 2000 11 10 9.9 8.70 10.59 1.89 <===
Show 185705 17455-2804 SIN 102 AC 1913 2000 8 85 74.3 8.70 10.01 1.31
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
185705
Tycho2
6836-00672-1
HD
161229
last precise pa
10
last precise sep
9.878