14410+5757 STF 1872 AB (HD 129580)
14h 41m 00.84s +57° 57' 28.1" P.A. 50.00 sep 7.6 mag 7.53,8.32 Sp K0 dist. 55.46 pc (180.91 l.y.)
| Coord 2000 |
14410+5757 |
|
Discov num |
STF1872 |
|
Comp |
AB |
|
Coord arcsec 2000 |
14 41 00.84 +57 57 28.1 |
|
| Date first |
1830 |
|
Date last |
2021 |
|
Obs |
117 |
|
| Pa first |
38 |
|
Pa last |
49.5 |
|
P.A. Now (θ) |
50.2° |
|
| Sep first |
7.5 |
|
Sep last |
7.568 |
|
Sep. Now (ρ) |
7.41" |
|
| Mag pri |
7.53 |
|
Mag sec |
8.32 |
|
delta mag (ΔM) |
0.79 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+139 |
|
Sec motion ra |
+144 |
|
| Pri motion dec |
-162 |
|
Sec motion dec |
-167 |
|
| Notes |
N
O
V
(See Notes, Orbital solution, Proper motion indicates physical) |
|
rPM=0.032 (< 0.3, Physical double)
This double is physical.
14410+5757 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 129580 |
29244 |
14 41 01 +57 57 28 |
STF 1872 AB |
2021 |
117 |
50 |
7.6 |
7.53 |
8.32 |
0.79 |
Y |
<=== |
| Show |
|
29244 |
14 41 01 +57 57 28 |
STF 1872 AC |
2015 |
16 |
42 |
75.7 |
7.53 |
10.61 |
3.08 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 129580 |
|
Constellation |
Draco |
|
SAO |
29244 |
|
HIP |
71782 |
|
| Tycho2 |
3866-01308-1 |
|
Gaia DR2 |
1616867690147963392 |
|
HD |
129580 |
|
GC |
19799 |
|
| ADS |
9346 |
|
BD |
BD+58 1523 |
|
Distance |
55.46 |
|
Distance ly |
180.91 |
|
ORBITAL ELEMENTS
| Period (P) | 20.35c | ± 12.8 |
Periastron (T) | 2887.7y | ± 895.5 |
Semi-major axis (a) | 5.23a | ± 2.01 |
| Eccentricity (e) | 0.46 | ± 0.24 |
Inclination (i) | 19.4° | ± 6.2 |
Longitude of periastron (ω) | 357° | ± 18 |
| Node (Ω) | 222° | ± 18 |
Notes | n | |
Reference | Kiy2010 | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
48.3 |
7.539 |
| 2001 |
48.3 |
7.538 |
| 2002 |
48.4 |
7.536 |
| 2003 |
48.5 |
7.535 |
| 2004 |
48.6 |
7.533 |
| 2005 |
48.6 |
7.532 |
| 2006 |
48.7 |
7.530 |
| 2007 |
48.8 |
7.528 |
| 2008 |
48.8 |
7.527 |
| 2009 |
48.9 |
7.525 |
| 2010 |
49.0 |
7.524 |
| 2011 |
49.1 |
7.522 |
| 2012 |
49.1 |
7.520 |
| 2013 |
49.2 |
7.519 |
| 2014 |
49.3 |
7.517 |
| 2015 |
49.3 |
7.515 |
| 2016 |
49.4 |
7.513 |
| 2017 |
49.5 |
7.512 |
| 2018 |
49.6 |
7.510 |
| 2019 |
49.6 |
7.508 |
| 2020 |
49.7 |
7.506 |
| 2021 |
49.8 |
7.505 |
| 2022 |
49.8 |
7.503 |
| 2023 |
49.9 |
7.501 |
| 2024 |
50.0 |
7.499 |
| 2025 |
50.1 |
7.497 |
| 2026 |
50.1 |
7.496 |
| 2027 |
50.2 |
7.494 |
| 2028 |
50.3 |
7.492 |
| 2029 |
50.3 |
7.490 |
| 2030 |
50.4 |
7.488 |
| 2031 |
50.5 |
7.486 |
| 2032 |
50.6 |
7.484 |
| 2033 |
50.6 |
7.482 |
| 2034 |
50.7 |
7.480 |
| 2035 |
50.8 |
7.479 |
| 2036 |
50.9 |
7.477 |
| 2037 |
50.9 |
7.475 |
| 2038 |
51.0 |
7.473 |
| 2039 |
51.1 |
7.471 |
| 2040 |
51.1 |
7.469 |
| 2041 |
51.2 |
7.467 |
| 2042 |
51.3 |
7.465 |
| 2043 |
51.4 |
7.462 |
| 2044 |
51.4 |
7.460 |
| 2045 |
51.5 |
7.458 |
| 2046 |
51.6 |
7.456 |
| 2047 |
51.7 |
7.454 |
| 2048 |
51.7 |
7.452 |
| 2049 |
51.8 |
7.450 |
| 2050 |
51.9 |
7.448 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
