18498-2350 TNN  13AB

 
 
18h 49m 49.36s -23 50' 10.4" P.A. 311 sep 6.2 mag 5.37,17.04 Sp M3.5
 
 
Coord 2000
18498-2350
Discov num
TNN  13
Comp
AB
Coord arcsec 2000
18 49 49.36 -23 50 10.4
Date first
2004
Date last
2004
Obs
1
Pa first
311
Pa last
311
P.A. Now (θ)
311°
Sep first
6.2
Sep last
6.2
Sep. Now (ρ)
6.2"
Mag pri
5.37
Mag sec
17.04
delta mag (ΔM)
11.67
Spectral class
M3.5 (red)
Pri motion ra
+638
Sec motion ra
Pri motion dec
-192
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18498-2350 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18498-2350 TNN 13 AB 2004 2004 1 311 6.2 5.37 17.04 11.67 <===
Show 18498-2350 TNN 13 AC 2004 2004 1 234 8.3 5.37 17.70 12.33
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311
Precise sep
6.24
Cdsa2 id
TNN 13 AB
Constellation
Sagittarius
Ra deg
18.830377777777777
De deg
-23.836222222222222
last precise pa
311
last precise sep
6.24
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18498-2350 TNN 13 AB 2004 1 311 6.2 5.37 17.04 M3.5 K 184949.36-235010.4

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