19455-2319 B   446AB

 
 
19h 45m 27.99s -23 18' 49.4" P.A. 251 sep 3.3 mag 10.20,14.40 Sp A5III/IV
 
 
Coord 2000
19455-2319
Discov num
B   446
Comp
AB
Coord arcsec 2000
19 45 27.99 -23 18 49.4
Date first
1926
Date last
2015
Obs
2
Pa first
251
Pa last
251
P.A. Now (θ)
251°
Sep first
3.1
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
10.20
Mag sec
14.40
delta mag (ΔM)
4.2
Spectral class
A5III/IV (white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
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 2015 2 251 3.3 10.20 14.40 4.20 <===
Show 19455-2319 B 446 AC 1909 2015 9 162 29.2 10.20 10.94 0.74
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
251.2
Precise sep
3.346
Constellation
Sagittarius
Tycho2
6890-02714-1
Gaia DR2
04423746944
HD
186480
 
 
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 AB 1926 1 251 3.1 10.20 14.40 A5III/IV 194527.99-231849.4
19455-2319 B 446 AB 2015 2 251 3.3 10.20 14.40 A5III/IV 194527.99-231849.4

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