19448-2029 DON 965AC

 
 
19h 44m 45.77s -20 26' 05.2" P.A. 208 sep 4.8 mag 10.47,11.50 Sp A1/2II
 
 
Coord 2000
19448-2029
Discov num
DON 965
Comp
AC
Coord arcsec 2000
19 44 45.77 -20 26 05.2
Date first
1919
Date last
2016
Obs
7
Pa first
215
Pa last
208
P.A. Now (θ)
208°
Sep first
4.6
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
10.47
Mag sec
11.50
delta mag (ΔM)
1.03
Spectral class
A1/2II (white)
Pri motion ra
+013
Sec motion ra
-042
Pri motion dec
+016
Sec motion dec
-100
Notes
rPM=1.184
This double is not physical.
 
 
19448-2029 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19448-2029 DON 965 AB 1929 1946 3 238 2.5 10.47 13.90 3.43
Show 19448-2029 DON 965 AC 1919 2016 7 208 4.8 10.47 11.50 1.03 <===
Show 19448-2029 HJ 2890 AD 1830 2016 10 280 30.7 10.47 10.43 0.04
Show 19448-2029 HJ 2890 AE 1830 1999 6 348 29.9 10.47 12.88 2.41
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.3
Precise sep
4.811
Constellation
Sagittarius
Tycho2
6320-02476-1
last precise pa
208.3
last precise sep
4.811
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19448-2029 DON 965 AC 1998 5 208 4.4 10.47 11.50 A1/2II D 194445.77-202605.2
19448-2029 DON 965 AC 1999 6 208 4.7 10.47 11.50 A1/2II D 194445.77-202605.2
19448-2029 DON 965 AC 2016 7 208 4.8 10.47 11.50 A1/2II 194445.77-202605.2

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