15348-2808 TOK 49 Aa,Ab
15h 34m 47.96s -28° 07' 50.8" P.A. 321.00 sep 0.2 mag 9.10,11.40 Sp G8V dist. 57.37 pc (187.14 l.y.)
| Coord 2000 |
15348-2808 |
|
Discov num |
TOK 49 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
15 34 47.96 -28 07 50.8 |
|
| Date first |
2009 |
|
Date last |
2021 |
|
Obs |
15 |
|
| Pa first |
180 |
|
Pa last |
321 |
|
P.A. Now (θ) |
321° |
|
| Sep first |
0.1 |
|
Sep last |
0.218 |
|
Sep. Now (ρ) |
0.218" |
|
| Mag pri |
9.10 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
2.3 |
|
Spectral class |
G8V (yellow) |
|
| Pri motion ra |
-032 |
|
Sec motion ra |
|
|
| Pri motion dec |
-028 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
15348-2808 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
183584 |
15 34 48 -28 07 51 |
TOK 49 Aa,Ab |
2021 |
15 |
321 |
0.2 |
9.10 |
11.40 |
2.30 |
Y |
<=== |
| Show |
HD 138722 |
183584 |
15 34 48 -28 07 51 |
RST 1847 AB |
2021 |
24 |
343 |
1.0 |
9.08 |
11.60 |
2.52 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Libra |
|
SAO |
183584 |
|
HIP |
76275 |
|
Tycho2 |
6776-00119-1 |
|
| Gaia DR2 |
6210363246472402816 |
|
HD |
138722 |
|
CD |
CD-2710445 |
|
CP |
CP-27 5205 |
|
| Distance |
57.37 |
|
Distance ly |
187.14 |
|
ORBITAL ELEMENTS
| Period (P) | 26.27y | |
Periastron (T) | 2006.28y | |
Semi-major axis (a) | 0.1814a | |
| Eccentricity (e) | 0.342 | |
Inclination (i) | 56° | |
Longitude of periastron (ω) | 131.9° | |
| Node (Ω) | 344.1° | |
Notes | | |
Reference | Tok2016e | |
| Equinox | 2000 | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
348.8 |
0.196 |
| 2001 |
355.7 |
0.176 |
| 2002 |
4.6 |
0.149 |
| 2003 |
18.1 |
0.117 |
| 2004 |
41.8 |
0.086 |
| 2005 |
83.3 |
0.071 |
| 2006 |
124.0 |
0.087 |
| 2007 |
148.2 |
0.113 |
| 2008 |
164.1 |
0.130 |
| 2009 |
177.3 |
0.136 |
| 2010 |
190.2 |
0.134 |
| 2011 |
204.1 |
0.127 |
| 2012 |
219.7 |
0.120 |
| 2013 |
236.7 |
0.117 |
| 2014 |
253.7 |
0.120 |
| 2015 |
269.1 |
0.128 |
| 2016 |
282.3 |
0.141 |
| 2017 |
293.1 |
0.156 |
| 2018 |
302.0 |
0.171 |
| 2019 |
309.4 |
0.186 |
| 2020 |
315.8 |
0.199 |
| 2021 |
321.5 |
0.209 |
| 2022 |
326.7 |
0.217 |
| 2023 |
331.7 |
0.220 |
| 2024 |
336.6 |
0.219 |
| 2025 |
341.7 |
0.212 |
| 2026 |
347.2 |
0.200 |
| 2027 |
353.7 |
0.182 |
| 2028 |
1.9 |
0.157 |
| 2029 |
13.8 |
0.126 |
| 2030 |
33.8 |
0.094 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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