17522-2829 HWE  40AD

 
 
17h 52m 14.06s -28 28' 46.3" P.A. 1 sep 12 mag 8.48,12.50 Sp K1/2(III)
 
 
Coord 2000
17522-2829
Discov num
HWE  40
Comp
AD
Coord arcsec 2000
17 52 14.06 -28 28 46.3
Date first
1897
Date last
1998
Obs
3
Pa first
357
Pa last
1
P.A. Now (θ)
Sep first
12.3
Sep last
12.0
Sep. Now (ρ)
12"
Mag pri
8.48
Mag sec
12.50
delta mag (ΔM)
4.02
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
 
 
Precise pa
1.3
Precise sep
11.96
Constellation
Sagittarius
Tycho2
6853-00533-1
HD
162438
last precise pa
1.3
last precise sep
11.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17522-2829 HWE 40 AD 1998 3 1 12.0 8.48 12.50 D 175214.06-282846.3

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