20017-0012 H 1  93AB

 
 
20h 01m 39.17s -00 11' 56.5" P.A. 298 sep 1.8 mag 7.67,8.39 Sp A0
 
 
Coord 2000
20017-0012
Discov num
H 1  93
Comp
AB
Coord arcsec 2000
20 01 39.17 -00 11 56.5
Date first
1876
Date last
2016
Obs
51
Pa first
294
Pa last
298
P.A. Now (θ)
298°
Sep first
2.1
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
7.67
Mag sec
8.39
delta mag (ΔM)
0.72
Spectral class
A0 (white)
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
-004
Sec motion dec
-004
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20017-0012 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 144002 20017-0012 H 1 93 AB 1876 2016 51 298 1.8 7.67 8.39 0.72 <===
Show 144002 20017-0012 H 1 93 AC 1901 2000 4 1 26.8 7.67 13.20 5.53
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298.3
Precise sep
1.824
Constellation
Aquila
SAO
144002
last precise pa
297.3
last precise sep
1.819
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20017-0012 H 1 93 AB 1997 68 299 1.8 7.67 8.39 A0 N D 200139.17-001156.5
20017-0012 H 1 93 AB 2008 69 298 1.8 7.67 8.39 A0 N D 200139.17-001156.5
20017-0012 H 1 93 AB 2009 70 298 1.8 7.67 8.39 A0 N D 200139.17-001156.5
20017-0012 H 1 93 AB 2011 72 297 1.8 7.67 8.39 A0 N 200139.17-001156.5
20017-0012 H 1 93 AB 2016 51 298 1.8 7.67 8.39 A0 N 200139.17-001156.5

If you need more information about this double, apply for a data request form to the WDS.