11495-1636 TOK 717 Aa,Ab
11h 49m 30.43s -16° 36' 20.5" P.A. 113.00 sep 0.2 mag 10.60,11.00 Sp K4V dist. 52.33 pc (170.7 l.y.)
Coord 2000 |
11495-1636 |
|
Discov num |
TOK 717 |
|
Comp |
Aa,Ab |
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Coord arcsec 2000 |
11 49 30.43 -16 36 20.5 |
|
Date first |
2016 |
|
Date last |
2021 |
|
Obs |
9 |
|
Pa first |
81 |
|
Pa last |
113.2 |
|
P.A. Now (θ) |
113.2° |
|
Sep first |
0.1 |
|
Sep last |
0.169 |
|
Sep. Now (ρ) |
0.169" |
|
Mag pri |
10.60 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
K4V (yellow-orange) |
|
Pri motion ra |
+032 |
|
Sec motion ra |
|
|
Pri motion dec |
-036 |
|
Sec motion dec |
|
|
Notes |
O
R
(Orbital solution, Red magnitudes) |
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This double is physical.
11495-1636 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
11 49 30 -16 36 20 |
TOK 717 Aa,Ab |
2021 |
9 |
113 |
0.2 |
10.60 |
11.00 |
0.40 |
Y |
<=== |
Show |
HD 102698 |
|
11 49 30 -16 36 20 |
TOK 281 AB |
2015 |
6 |
20 |
406.5 |
10.05 |
12.43 |
2.38 |
|
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Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Crater |
|
HIP |
57660 |
|
Tycho2 |
6093-00472-1 |
|
Gaia DR2 |
3571370108123471360 |
|
HD |
102698 |
|
BD |
BD-15 3360 |
|
Distance |
52.33 |
|
Distance ly |
170.7 |
|
ORBITAL ELEMENTS
Period (P) | 24y | |
Periastron (T) | 2018.05y | |
Semi-major axis (a) | 0.1984a | |
Eccentricity (e) | 0.145 | |
Inclination (i) | 102.6° | |
Longitude of periastron (ω) | 108.2° | |
Node (Ω) | 292.5° | |
Notes | | |
Reference | Tok2020e | |
Equinox | | |
Last observation | 2019 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
104.2 |
0.170 |
2001 |
99.0 |
0.145 |
2002 |
91.3 |
0.113 |
2003 |
77.1 |
0.079 |
2004 |
45.2 |
0.053 |
2005 |
355.7 |
0.055 |
2006 |
327.0 |
0.083 |
2007 |
314.0 |
0.118 |
2008 |
306.8 |
0.150 |
2009 |
302.1 |
0.177 |
2010 |
298.4 |
0.196 |
2011 |
295.3 |
0.205 |
2012 |
292.3 |
0.203 |
2013 |
289.0 |
0.188 |
2014 |
284.8 |
0.161 |
2015 |
278.4 |
0.122 |
2016 |
264.8 |
0.076 |
2017 |
216.0 |
0.038 |
2018 |
147.7 |
0.061 |
2019 |
128.4 |
0.108 |
2020 |
120.6 |
0.148 |
2021 |
115.7 |
0.175 |
2022 |
111.8 |
0.187 |
2023 |
108.2 |
0.185 |
2024 |
104.2 |
0.170 |
2025 |
99.0 |
0.145 |
2026 |
91.3 |
0.113 |
2027 |
77.1 |
0.079 |
2028 |
45.2 |
0.053 |
2029 |
355.7 |
0.055 |
2030 |
327.0 |
0.083 |
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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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