20003+1757 HU  352AB

 
 
20h 00m 21.02s +17 56' 34.3" P.A. 176 sep 0.2 mag 9.00,9.50 Sp A0
 
 
Coord 2000
20003+1757
Discov num
HU  352
Comp
AB
Coord arcsec 2000
20 00 21.02 +17 56 34.3
Date first
1901
Date last
2007
Obs
17
Pa first
262
Pa last
176
P.A. Now (θ)
176°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.00
Mag sec
9.50
delta mag (ΔM)
0.5
Spectral class
A0 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20003+1757 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20003+1757 HU 352 AB 1901 2007 17 176 0.2 9.00 9.50 0.50 <===
Show 20003+1757 LBU 8 AB,C 1896 2001 8 28 63.6 8.76 11.38 2.62
Show 20003+1757 LBU 8 AB,D 1991 2001 4 353 65.6 8.76 11.30 2.54
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
176.4
Precise sep
0.172
Cdsa2 id
HU 352 AB
Constellation
Sagitta
Ra deg
20.00583888888889
De deg
17.94286111111111
last precise pa
176.4
last precise sep
0.172
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20003+1757 HU 352 AB 1992 16 225 0.2 9.00 9.50 A0 200021.02+175634.3
20003+1757 HU 352 AB 2007 17 176 0.2 9.00 9.50 A0 200021.02+175634.3

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