17522-2829 HWE  40AB

 
 
17H 52M 14.06S -28 28' 46.3" P.A. 10 SEP 7.1 MAG 8.48,11.00 SP K1/2(III)
 
 
Coord 2000
17522-2829
Discov num
HWE  40
Comp
AB
Coord arcsec 2000
17 52 14.06 -28 28 46.3
Date first
1877
Date last
1998
Obs
14
Pa first
11
Pa last
10
P.A. Now (θ)
10°
Sep first
6.3
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
8.48
Mag sec
11.00
delta mag (ΔM)
2.52
Spectral class
K1/2(III) (yellow-orange)
Pri motion ra
+012
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17522-2829 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17522-2829 HWE 40 AB 1877 1998 14 10 7.1 8.48 11.00 2.52 <===
Show 17522-2829 HWE 40 AD 1897 1998 3 1 12.0 8.48 12.50 4.02
Show 17522-2829 HWE 40 AE 1898 1999 3 11 21.3 8.48 12.50 4.02
Show 17522-2829 BU 1122 BC 1889 1960 11 132 1.5 11.00 11.40 0.40
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6853-00533-1
HD
162438
last precise pa
10.3
last precise sep
7.06