17163-6749 DON 827AB

 
 
17h 16m 19.76s -67 49' 38.9" P.A. 23 sep 4.3 mag 10.61,13.30
 
 
Coord 2000
17163-6749
Discov num
DON 827
Comp
AB
Coord arcsec 2000
17 16 19.76 -67 49 38.9
Date first
1929
Date last
2000
Obs
4
Pa first
24
Pa last
23
P.A. Now (θ)
23°
Sep first
3.0
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
10.61
Mag sec
13.30
delta mag (ΔM)
2.69
Spectral class
Pri motion ra
-015
Sec motion ra
Pri motion dec
-040
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17163-6749 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17163-6749 DON 827 AB 1929 2000 4 23 4.3 10.61 13.30 2.69 <===
Show 17163-6749 BAU 49 AC 1993 2000 3 256 50.3 10.61 14.15 3.54
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22.8
Precise sep
4.26
Cdsa2 id
DON 827 AB
Constellation
Apus
Tycho2
9276-00523-1
Ra deg
17.272155555555553
De deg
-67.82747222222221
last precise pa
22.8
last precise sep
4.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17163-6749 DON 827 AB 1993 2 22 4.3 10.61 13.30 D 171619.76-674938.9
17163-6749 DON 827 AB 1998 3 23 4.4 10.61 13.30 D 171619.76-674938.9
17163-6749 DON 827 AB 2000 4 23 4.3 10.61 13.30 171619.76-674938.9

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