18498-2350 TNN 13 AB
18h 49m 49.36s -23° 50' 10.4" P.A. 311.00 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 |
6.24 |
|
Sep. Now (ρ) |
6.24" |
|
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) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
18498-2350 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 49 49 -23 50 10 |
TNN 13 AB |
2004 |
1 |
311 |
6.2 |
5.37 |
17.04 |
11.67 |
|
<=== |
Show |
|
|
18 49 49 -23 50 10 |
TNN 13 AC |
2004 |
1 |
234 |
8.3 |
5.37 |
17.70 |
12.33 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4075141768771816832 |
|