19181-2049 ARA1178AB

 
 
19h 18m 08.03s -20 49' 04.3" P.A. 36 sep 12.7 mag 11.64,11.90
 
 
Coord 2000
19181-2049
Discov num
ARA1178
Comp
AB
Coord arcsec 2000
19 18 08.03 -20 49 04.3
Date first
1919
Date last
2017
Obs
8
Pa first
30
Pa last
36
P.A. Now (θ)
36°
Sep first
13.4
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
11.64
Mag sec
11.90
delta mag (ΔM)
0.26
Spectral class
Pri motion ra
-003
Sec motion ra
+001
Pri motion dec
-011
Sec motion dec
-010
Notes
rPM=0.362
Nature of this double is uncertain.
 
 
19181-2049 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19181-2049 ARA1178 AB 1919 2017 8 36 12.7 11.64 11.90 0.26 <===
Show 19181-2049 ARA1178 AC 1919 2017 5 296 11.8 11.64 13.80 2.16
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
36.2
Precise sep
12.724
Constellation
Sagittarius
last precise pa
36.2
last precise sep
12.724
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19181-2049 ARA1178 AB 1998 5 35 12.9 11.64 11.90 D 191808.03-204904.3
19181-2049 ARA1178 AB 1999 6 35 12.9 11.64 11.90 D 191808.03-204904.3
19181-2049 ARA1178 AB 2010 8 36 12.3 11.64 11.90 191808.03-204904.3
19181-2049 ARA1178 AB 2017 8 36 12.7 11.64 11.90 191808.03-204904.3

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