14142-0831 BU 939 AB (HD 124497)
14h 14m 09.09s -08° 31' 06.5" P.A. 33.00 sep 0.5 mag 9.38,8.98 Sp F2 dist. 132.63 pc (432.64 l.y.)
Coord 2000 |
14142-0831 |
|
Discov num |
BU 939 |
|
Comp |
AB |
|
Coord arcsec 2000 |
14 14 09.09 -08 31 06.5 |
|
Date first |
1879 |
|
Date last |
2016 |
|
Obs |
47 |
|
Pa first |
156 |
|
Pa last |
32.7 |
|
P.A. Now (θ) |
32.7° |
|
Sep first |
0.7 |
|
Sep last |
0.499 |
|
Sep. Now (ρ) |
0.499" |
|
Mag pri |
9.38 |
|
Mag sec |
8.98 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
F2 (yellow-white) |
|
Pri motion ra |
-007 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
-017 |
|
Sec motion dec |
-017 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
14142-0831 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 124497 |
139803 |
14 14 09 -08 31 06 |
BU 939 AB |
2016 |
47 |
33 |
0.5 |
9.38 |
8.98 |
0.40 |
Y |
<=== |
Show |
|
139803 |
14 14 09 -08 31 06 |
BU 939 AB,C |
2016 |
18 |
283 |
88.9 |
9.38 |
10.16 |
0.78 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 124497 |
|
Constellation |
Virgo |
|
SAO |
139803 |
|
HIP |
69541 |
|
Tycho2 |
5555-00425-1 |
|
HD |
124497 |
|
ADS |
9170 |
|
BD |
BD-07 3799 |
|
Distance |
132.63 |
|
Distance ly |
432.64 |
|
ORBITAL ELEMENTS
Period (P) | 602.296y | |
Periastron (T) | 2398.22y | |
Semi-major axis (a) | 0.8016a | |
Eccentricity (e) | 0.1379 | |
Inclination (i) | 116.1° | |
Longitude of periastron (ω) | 332.39° | |
Node (Ω) | 172.76° | |
Notes | | |
Reference | Pop1996b | |
Equinox | 2000 | |
Last observation | 1990 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
48.7 |
0.443 |
2001 |
47.9 |
0.447 |
2002 |
47.0 |
0.450 |
2003 |
46.2 |
0.454 |
2004 |
45.4 |
0.458 |
2005 |
44.6 |
0.462 |
2006 |
43.8 |
0.466 |
2007 |
43.1 |
0.470 |
2008 |
42.3 |
0.474 |
2009 |
41.6 |
0.478 |
2010 |
40.9 |
0.483 |
2011 |
40.2 |
0.487 |
2012 |
39.5 |
0.491 |
2013 |
38.8 |
0.495 |
2014 |
38.1 |
0.500 |
2015 |
37.4 |
0.504 |
2016 |
36.8 |
0.508 |
2017 |
36.1 |
0.513 |
2018 |
35.5 |
0.517 |
2019 |
34.9 |
0.522 |
2020 |
34.3 |
0.526 |
2021 |
33.7 |
0.531 |
2022 |
33.1 |
0.535 |
2023 |
32.5 |
0.540 |
2024 |
31.9 |
0.544 |
2025 |
31.4 |
0.549 |
2026 |
30.8 |
0.553 |
2027 |
30.3 |
0.558 |
2028 |
29.7 |
0.562 |
2029 |
29.2 |
0.567 |
2030 |
28.7 |
0.571 |
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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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