08447-2126 HDS 1260 AB
08h 44m 41.00s -21° 25' 48.0" P.A. 136.00 sep 0.5 mag 10.31,13.83 Sp K7V dist. 36.43 pc (118.83 l.y.)
| Coord 2000 |
08447-2126 |
|
Discov num |
HDS1260 |
|
Comp |
AB |
|
Coord arcsec 2000 |
08 44 41.00 -21 25 48.0 |
|
| Date first |
1991 |
|
Date last |
2023 |
|
Obs |
19 |
|
| Pa first |
266 |
|
Pa last |
135.5 |
|
P.A. Now (θ) |
135.5° |
|
| Sep first |
0.8 |
|
Sep last |
0.508 |
|
Sep. Now (ρ) |
0.508" |
|
| Mag pri |
10.31 |
|
Mag sec |
13.83 |
|
delta mag (ΔM) |
3.52 |
|
Spectral class |
K7V (yellow-orange) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-020 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.046 (< 0.3, Physical double)
This double is physical.
08447-2126 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
08 44 41 -21 25 48 |
HDS 1260 AB |
2023 |
19 |
136 |
0.5 |
10.31 |
13.83 |
3.52 |
Y |
<=== |
| Show |
|
|
08 44 41 -21 25 48 |
TOK 395 AC |
2016 |
6 |
175 |
0.6 |
10.30 |
11.00 |
0.70 |
|
|
| Show |
|
|
08 44 41 -21 25 48 |
TOK 395 BC |
2023 |
16 |
153 |
0.1 |
10.90 |
11.00 |
0.10 |
Y |
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pyxis |
|
HIP |
42910 |
|
Tycho2 |
6024-02350-1 |
|
Gaia DR2 |
5702585141560941056 |
|
| BD |
BD-20 2665 |
|
Distance |
36.43 |
|
Distance ly |
118.83 |
|
ORBITAL ELEMENTS
| Period (P) | 106.1y | ± 5.3 |
Periastron (T) | 2126.4y | ± 3.1 |
Semi-major axis (a) | 0.764a | ± 0.027 |
| Eccentricity (e) | 0.167 | ± 0.066 |
Inclination (i) | 149° | ± 10 |
Longitude of periastron (ω) | 97° | ± 13 |
| Node (Ω) | 248.7° | ± 8.8 |
Notes | n | |
Reference | Hor2021b | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
240.8 |
0.736 |
| 2001 |
237.7 |
0.726 |
| 2002 |
234.5 |
0.715 |
| 2003 |
231.1 |
0.704 |
| 2004 |
227.7 |
0.692 |
| 2005 |
224.1 |
0.680 |
| 2006 |
220.4 |
0.667 |
| 2007 |
216.6 |
0.654 |
| 2008 |
212.6 |
0.641 |
| 2009 |
208.5 |
0.628 |
| 2010 |
204.1 |
0.616 |
| 2011 |
199.6 |
0.603 |
| 2012 |
194.9 |
0.592 |
| 2013 |
190.1 |
0.581 |
| 2014 |
185.0 |
0.571 |
| 2015 |
179.8 |
0.563 |
| 2016 |
174.5 |
0.556 |
| 2017 |
169.0 |
0.551 |
| 2018 |
163.4 |
0.547 |
| 2019 |
157.8 |
0.546 |
| 2020 |
152.2 |
0.546 |
| 2021 |
146.6 |
0.549 |
| 2022 |
141.1 |
0.553 |
| 2023 |
135.7 |
0.559 |
| 2024 |
130.4 |
0.566 |
| 2025 |
125.3 |
0.575 |
| 2026 |
120.3 |
0.585 |
| 2027 |
115.5 |
0.596 |
| 2028 |
110.9 |
0.607 |
| 2029 |
106.4 |
0.619 |
| 2030 |
102.1 |
0.631 |
|
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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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