13040-1738 BU 798 AB (HD 113460)
13h 04m 02.74s -17° 37' 29.9" P.A. 180.00 sep 0.3 mag 9.16,9.67 Sp K0V dist. 58 pc (189.2 l.y.)
Coord 2000 |
13040-1738 |
|
Discov num |
BU 798 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 04 02.74 -17 37 29.9 |
|
Date first |
1881 |
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Date last |
2019 |
|
Obs |
23 |
|
Pa first |
174 |
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Pa last |
179.8 |
|
P.A. Now (θ) |
182.4° |
|
Sep first |
0.5 |
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Sep last |
0.29 |
|
Sep. Now (ρ) |
0.182" |
|
Mag pri |
9.16 |
|
Mag sec |
9.67 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
K0V (yellow-orange) |
|
Pri motion ra |
+029 |
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Sec motion ra |
|
|
Pri motion dec |
-158 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
13040-1738 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 113460 |
157692 |
13 04 03 -17 37 30 |
BU 798 AB |
2019 |
23 |
180 |
0.3 |
9.16 |
9.67 |
0.51 |
Y |
<=== |
Show |
|
157692 |
13 04 03 -17 37 30 |
UC 2465 AC |
2016 |
3 |
204 |
121.9 |
9.16 |
12.92 |
3.76 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 113460 |
|
Constellation |
Virgo |
|
SAO |
157692 |
|
HIP |
63754 |
|
Tycho2 |
6115-00154-1 |
|
Gaia DR2 |
3511727649629197568 |
|
HD |
113460 |
|
ADS |
8764 |
|
BD |
BD-16 3591 |
|
Distance |
58 |
|
Distance ly |
189.2 |
|
ORBITAL ELEMENTS
Period (P) | 60.2y | |
Periastron (T) | 1980.3y | |
Semi-major axis (a) | 0.352a | |
Eccentricity (e) | 0.431 | |
Inclination (i) | 84.8° | |
Longitude of periastron (ω) | 209.6° | |
Node (Ω) | 170.9° | |
Notes | n | |
Reference | Zir2012b | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
170.9 |
0.460 |
2001 |
171.2 |
0.467 |
2002 |
171.5 |
0.472 |
2003 |
171.8 |
0.475 |
2004 |
172.0 |
0.476 |
2005 |
172.3 |
0.475 |
2006 |
172.6 |
0.472 |
2007 |
172.8 |
0.467 |
2008 |
173.1 |
0.461 |
2009 |
173.4 |
0.453 |
2010 |
173.7 |
0.443 |
2011 |
174.0 |
0.431 |
2012 |
174.4 |
0.418 |
2013 |
174.7 |
0.404 |
2014 |
175.1 |
0.388 |
2015 |
175.5 |
0.370 |
2016 |
176.0 |
0.351 |
2017 |
176.5 |
0.331 |
2018 |
177.1 |
0.309 |
2019 |
177.8 |
0.286 |
2020 |
178.6 |
0.261 |
2021 |
179.6 |
0.236 |
2022 |
180.8 |
0.210 |
2023 |
182.4 |
0.182 |
2024 |
184.6 |
0.154 |
2025 |
187.7 |
0.125 |
2026 |
192.8 |
0.096 |
2027 |
202.3 |
0.067 |
2028 |
223.9 |
0.043 |
2029 |
272.0 |
0.033 |
2030 |
311.9 |
0.049 |
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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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