14485-1720 BU 346 (HD 130412)
14h 48m 31.71s -17° 20' 24.4" P.A. 278.00 sep 2.8 mag 7.48,7.92 Sp G1V dist. 44.5 pc (145.16 l.y.)
| Coord 2000 |
14485-1720 |
|
Discov num |
BU 346 |
|
Comp |
|
|
Coord arcsec 2000 |
14 48 31.71 -17 20 24.4 |
|
| Date first |
1875 |
|
Date last |
2021 |
|
Obs |
80 |
|
| Pa first |
250 |
|
Pa last |
278.2 |
|
P.A. Now (θ) |
278.2° |
|
| Sep first |
1.0 |
|
Sep last |
2.773 |
|
Sep. Now (ρ) |
2.773" |
|
| Mag pri |
7.48 |
|
Mag sec |
7.92 |
|
delta mag (ΔM) |
0.44 |
|
Spectral class |
G1V (yellow) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
+039 |
|
| Pri motion dec |
-061 |
|
Sec motion dec |
-048 |
|
| Notes |
N
C
(See Notes, Has orbit and linear solution) |
|
rPM=0.277 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 130412 |
|
Constellation |
Libra |
|
SAO |
158813 |
|
HIP |
72423 |
|
| Tycho2 |
6159-00749-1 |
|
Gaia DR2 |
6282494305924196864 |
|
HD |
130412 |
|
GC |
19921 |
|
| ADS |
9387 |
|
BD |
BD-16 3939 |
|
Distance |
44.5 |
|
Distance ly |
145.16 |
|
ORBITAL ELEMENTS
| Period (P) | 1715.7084y | ± 857.6437 |
Periastron (T) | 2129.6651y | ± 164.4848 |
Semi-major axis (a) | 9.40469a | ± 5.12838 |
| Eccentricity (e) | 0.82703 | ± 0.1309 |
Inclination (i) | 85.071° | ± 5.309 |
Longitude of periastron (ω) | 244.985° | ± 41.491 |
| Node (Ω) | 108.072° | ± 5.868 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
275.2 |
2.546 |
| 2001 |
275.3 |
2.556 |
| 2002 |
275.5 |
2.566 |
| 2003 |
275.6 |
2.576 |
| 2004 |
275.8 |
2.586 |
| 2005 |
275.9 |
2.596 |
| 2006 |
276.0 |
2.606 |
| 2007 |
276.1 |
2.616 |
| 2008 |
276.3 |
2.626 |
| 2009 |
276.4 |
2.636 |
| 2010 |
276.5 |
2.645 |
| 2011 |
276.7 |
2.655 |
| 2012 |
276.8 |
2.664 |
| 2013 |
276.9 |
2.673 |
| 2014 |
277.0 |
2.683 |
| 2015 |
277.2 |
2.692 |
| 2016 |
277.3 |
2.701 |
| 2017 |
277.4 |
2.710 |
| 2018 |
277.5 |
2.719 |
| 2019 |
277.7 |
2.727 |
| 2020 |
277.8 |
2.736 |
| 2021 |
277.9 |
2.745 |
| 2022 |
278.0 |
2.753 |
| 2023 |
278.1 |
2.761 |
| 2024 |
278.2 |
2.769 |
| 2025 |
278.4 |
2.778 |
| 2026 |
278.5 |
2.785 |
| 2027 |
278.6 |
2.793 |
| 2028 |
278.7 |
2.801 |
| 2029 |
278.8 |
2.808 |
| 2030 |
278.9 |
2.816 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 14485-1720 BU 346 (HD 130412) : NOTES
| discov_num |
notes |
refcode |
| BU 346 |
Primary is SB and astrometric binary, P=1724d |
Tok2014d |
REFERENCES
| refcode |
metd |
author |
reference |
| Izm2019 |
orb u |
Izmailov, I.S. |
2019AstL...45...30I |
| Izm2019 |
|
Ast. Lett. 45, 30, 2019 |
|
| Izm2019 |
|
(Orbital elements from weighted solutions used when available (Table 2), |
|
| Izm2019 |
|
unweighted elements (Table 1) used for remaining 29 systems.) |
|
| Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
| Tok2014d |
|
AJ 147, 86, 2014 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 14485-1720 |
BU 346 |
|
2007 |
62 |
276 |
2.5 |
7.48 |
7.92 |
G1V |
LD |
144831.71-172024.4 |
| 14485-1720 |
BU 346 |
|
2009 |
63 |
276 |
2.6 |
7.48 |
7.92 |
G1V |
LD |
144831.71-172024.4 |
| 14485-1720 |
BU 346 |
|
2010 |
65 |
276 |
2.5 |
7.48 |
7.92 |
G1V |
LD |
144831.71-172024.4 |
| 14485-1720 |
BU 346 |
|
2014 |
67 |
278 |
2.7 |
7.48 |
7.92 |
G1V |
LD |
144831.71-172024.4 |
| 14485-1720 |
BU 346 |
|
2016 |
68 |
277 |
2.7 |
7.48 |
7.92 |
G1V |
NL |
144831.71-172024.4 |
| 14485-1720 |
BU 346 |
|
2017 |
69 |
277 |
2.7 |
7.48 |
7.92 |
G1V |
NL |
144831.71-172024.4 |
| 14485-1720 |
BU 346 |
|
2019 |
74 |
277 |
2.8 |
7.48 |
7.92 |
G1V |
NC |
144831.71-172024.4 |
| 14485-1720 |
BU 346 |
|
2020 |
75 |
277 |
2.8 |
7.48 |
7.92 |
G1V |
NC |
144831.71-172024.4 |
| 14485-1720 |
BU 346 |
|
2021 |
80 |
278 |
2.8 |
7.48 |
7.92 |
G1V |
NC |
144831.71-172024.4 |
If you need more information about this double, apply for a
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WDS 14485-1720 BU 346 (HD 130412) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 14485-1720 BU 346 (HD 130412) : MEASURES
No records found.
WDS 14485-1720 (HD 130412) : VIRTUAL EYEPIECE
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WDS 14485-1720 (HD 130412) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
