07294-1500 STF 1104 AB (HD 59438)
07h 29m 21.91s -14° 59' 53.4" P.A. 42.00 sep 1.8 mag 6.39,7.60 Sp F7V dist. 35.09 pc (114.46 l.y.)
| Coord 2000 |
07294-1500 |
|
Discov num |
STF1104 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 29 21.91 -14 59 53.4 |
|
| Date first |
1831 |
|
Date last |
2021 |
|
Obs |
150 |
|
| Pa first |
292 |
|
Pa last |
41.6 |
|
P.A. Now (θ) |
41.6° |
|
| Sep first |
2.4 |
|
Sep last |
1.75 |
|
Sep. Now (ρ) |
1.75" |
|
| Mag pri |
6.39 |
|
Mag sec |
7.60 |
|
delta mag (ΔM) |
1.21 |
|
Spectral class |
F7V (yellow-white) |
|
| Pri motion ra |
-171 |
|
Sec motion ra |
-188 |
|
| Pri motion dec |
-243 |
|
Sec motion dec |
-237 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.06 (< 0.3, Physical double)
This double is physical.
07294-1500 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 59438 |
152943 |
07 29 22 -14 59 53 |
STF 1104 AB |
2021 |
150 |
42 |
1.8 |
6.39 |
7.60 |
1.21 |
Y |
<=== |
| Show |
|
152943 |
07 29 22 -14 59 53 |
STF 1104 AC |
2016 |
10 |
185 |
21.0 |
6.39 |
11.80 |
5.41 |
|
|
| Show |
|
152943 |
07 29 22 -14 59 53 |
STF 1104 AD |
2015 |
9 |
21 |
72.1 |
6.39 |
13.15 |
6.76 |
|
|
| Show |
|
152943 |
07 29 22 -14 59 53 |
STF 1104 AE |
2015 |
4 |
49 |
113.2 |
6.39 |
13.47 |
7.08 |
|
|
| Show |
|
152943 |
07 29 22 -14 59 53 |
TOK 391 AF |
2016 |
7 |
343 |
999.9 |
6.39 |
11.45 |
5.06 |
|
|
| Show |
|
152943 |
07 29 22 -15 00 16 |
TOK 391 Ca,Cb |
2021 |
15 |
315 |
0.1 |
6.40 |
7.00 |
0.60 |
Y |
|
Septuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 59438 |
|
Constellation |
Puppis |
|
SAO |
152943 |
|
HIP |
36395 |
|
| Tycho2 |
5408-00631-1 |
|
Gaia DR2 |
3028617457455184768 |
|
HD |
59438 |
|
HR |
2868 |
|
| GC |
10027 |
|
ADS |
6126 |
|
BD |
BD-14 1925 |
|
Distance |
35.09 |
|
| Distance ly |
114.46 |
|
ORBITAL ELEMENTS
| Period (P) | 550.1386y | ± 202.8784 |
Periastron (T) | 2075.2178y | ± 24.1909 |
Semi-major axis (a) | 2.25971a | ± 0.41167 |
| Eccentricity (e) | 0.36045 | ± 0.12949 |
Inclination (i) | 36.934° | ± 9.936 |
Longitude of periastron (ω) | 68.833° | ± 18.919 |
| Node (Ω) | 42.222° | ± 28.173 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
25.4 |
1.916 |
| 2001 |
26.1 |
1.909 |
| 2002 |
26.8 |
1.903 |
| 2003 |
27.5 |
1.896 |
| 2004 |
28.2 |
1.889 |
| 2005 |
28.9 |
1.882 |
| 2006 |
29.6 |
1.875 |
| 2007 |
30.3 |
1.868 |
| 2008 |
31.0 |
1.861 |
| 2009 |
31.7 |
1.854 |
| 2010 |
32.5 |
1.846 |
| 2011 |
33.2 |
1.838 |
| 2012 |
33.9 |
1.831 |
| 2013 |
34.7 |
1.823 |
| 2014 |
35.4 |
1.815 |
| 2015 |
36.2 |
1.806 |
| 2016 |
37.0 |
1.798 |
| 2017 |
37.7 |
1.790 |
| 2018 |
38.5 |
1.781 |
| 2019 |
39.3 |
1.772 |
| 2020 |
40.1 |
1.763 |
| 2021 |
40.9 |
1.754 |
| 2022 |
41.7 |
1.745 |
| 2023 |
42.5 |
1.736 |
| 2024 |
43.4 |
1.727 |
| 2025 |
44.2 |
1.717 |
| 2026 |
45.1 |
1.707 |
| 2027 |
45.9 |
1.697 |
| 2028 |
46.8 |
1.688 |
| 2029 |
47.7 |
1.677 |
| 2030 |
48.6 |
1.667 |
|
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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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