20017-0012 H 1  93AB

 
 
20h 01m 39.17s -00 11' 56.5" P.A. 297 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
52
Pa first
294
Pa last
297
P.A. Now (θ)
297°
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 20017-0012 H 1 93 AB 1876 2016 52 297 1.8 7.67 8.39 0.72 <===
Show 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
297.3
Precise sep
1.819
Constellation
Aquila
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

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