18342-1741 ARA 284

 
 
18h 34m 12.41s -17 41' 41.2" P.A. 69 sep 5.4 mag 11.80,13.70 Sp M dist. 400 pc (1304.8 l.y.)
 
 
Coord 2000
18342-1741
Discov num
ARA 284
Comp
Coord arcsec 2000
18 34 12.41 -17 41 41.2
Date first
1916
Date last
1916
Obs
1
Pa first
69
Pa last
69
P.A. Now (θ)
69°
Sep first
5.4
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
11.80
Mag sec
13.70
delta mag (ΔM)
1.9
Spectral class
M (red)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
68.5
Precise sep
5.383
Constellation
Sagittarius
SAO
161616
HIP
91032
Tycho2
6271-00755-1
BD
BD-17 5238
Distance
400
Distance ly
1304.8
last precise pa
68.5
last precise sep
5.383
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18342-1741 ARA 284 1916 1 69 5.4 11.80 13.70 183412.41-174141.2

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