19455-2319 B   446AC

 
 
19h 45m 27.99s -23 18' 49.4" P.A. 163 sep 29 mag 10.20,10.94 Sp A5III/IV
 
 
Coord 2000
19455-2319
Discov num
B   446
Comp
AC
Coord arcsec 2000
19 45 27.99 -23 18 49.4
Date first
1909
Date last
1999
Obs
8
Pa first
167
Pa last
163
P.A. Now (θ)
163°
Sep first
28.0
Sep last
29.0
Sep. Now (ρ)
29"
Mag pri
10.20
Mag sec
10.94
delta mag (ΔM)
0.74
Spectral class
A5III/IV (white)
Pri motion ra
+006
Sec motion ra
+023
Pri motion dec
-003
Sec motion dec
-013
Notes
rPM=0.747
Nature of this double is uncertain.
 
 
19455-2319 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19455-2319 B 446 AB 1926 1926 1 251 3.1 10.20 14.40 4.20
Show 19455-2319 B 446 AC 1909 1999 8 163 29.0 10.20 10.94 0.74 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
162.6
Precise sep
29.031
Cdsa2 id
B 446 AC
Constellation
Sagittarius
Tycho2
6890-02714-1
HD
186480
Ra deg
19.757775
De deg
-23.31372222222222
last precise pa
162.6
last precise sep
29.031
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19455-2319 B 446 AC 1998 6 163 29.0 10.20 10.94 A5III/IV D 194527.99-231849.4
19455-2319 B 446 AC 1999 7 163 29.0 10.20 10.94 A5III/IV D 194527.99-231849.4

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