20182-0105 WSP  74AB

 
 
20h 18m 09.32s -01 04' 32.6" P.A. 8 sep 11.8 mag 9.80,18.30 Sp F9
 
 
Coord 2000
20182-0105
Discov num
WSP  74
Comp
AB
Coord arcsec 2000
20 18 09.32 -01 04 32.6
Date first
2015
Date last
2016
Obs
2
Pa first
8
Pa last
8
P.A. Now (θ)
Sep first
11.7
Sep last
11.8
Sep. Now (ρ)
11.8"
Mag pri
9.80
Mag sec
18.30
delta mag (ΔM)
8.5
Spectral class
F9 (yellow-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-065
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20182-0105 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20182-0105 WSP 74 AB 2015 2016 2 8 11.8 9.80 18.30 8.50 <===
Show 20182-0105 WSP 74 AC 2015 2016 2 193 15.7 9.80 19.80 10.00
Show 20182-0105 WSP 74 AD 2015 2016 2 71 15.9 9.80 18.00 8.20
Show 20182-0105 WSP 74 AE 2015 2016 2 133 19.7 9.80 19.80 10.00
Show 20182-0105 WSP 74 AF 2015 2016 2 218 24.0 9.80 19.10 9.30
Show 20182-0105 WSP 74 AG 2016 2016 1 100 8.0 9.80 20.60 10.80
Show 20182-0105 WSP 74 AH 2016 2016 1 75 21.5 9.80 20.60 10.80
Octuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
7.9
Precise sep
11.797
Constellation
Aquila
Tycho2
5162-01142-1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20182-0105 WSP 74 AB 2016 2 8 11.8 9.80 18.30 F9 201809.32-010432.6

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