18057-3635 HWE  88AE

 
 
18h 05m 44.57s -36 34' 45.5" P.A. 196 sep 81.6 mag 7.89,12.10 Sp B8 dist. 510.2 pc (1664.27 l.y.)
 
 
Coord 2000
18057-3635
Discov num
HWE  88
Comp
AE
Coord arcsec 2000
18 05 44.57 -36 34 45.5
Date first
1991
Date last
2016
Obs
2
Pa first
197
Pa last
196
P.A. Now (θ)
196°
Sep first
82.0
Sep last
81.6
Sep. Now (ρ)
81.6"
Mag pri
7.89
Mag sec
12.10
delta mag (ΔM)
4.21
Spectral class
B8 (blue-white)
Pri motion ra
+000
Sec motion ra
+005
Pri motion dec
-012
Sec motion dec
-012
Notes
rPM=0.385
Nature of this double is uncertain.
 
 
18057-3635 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 209691 18057-3635 HWE 88 A,BC 1876 2016 16 5 3.1 7.89 8.85 0.96
Show 209691 18057-3635 B 1876 BC 1933 1991 2 22 0.4 8.97 10.53 1.56
Show 209691 18057-3635 HWE 88 AD 2016 2016 1 224 41.7 7.89 12.50 4.61
Show 209691 18057-3635 HWE 88 AE 1991 2016 2 196 81.6 7.89 12.10 4.21 <===
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196.2
Precise sep
81.63
Cdsa2 id
HWE 88 AE
Constellation
Sagittarius
SAO
209691
HIP
88629
Tycho2
7403-06708-1
HD
165063
CD
CD-3612198
Ra deg
18.095713888888888
De deg
-36.57930555555556
Distance
510.2
Distance ly
1664.27
last precise pa
196.2
last precise sep
81.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18057-3635 HWE 88 AE 2016 1 196 81.6 7.89 12.10 B8 180544.57-363445.5

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