04091+2839 HO 326 (HD 26126)
04h 09m 08.56s +28° 38' 35.0" P.A. 295.00 sep 0.4 mag 9.07,9.15 Sp F8V dist. 96.71 pc (315.47 l.y.)
Coord 2000 |
04091+2839 |
|
Discov num |
HO 326 |
|
Comp |
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Coord arcsec 2000 |
04 09 08.56 +28 38 35.0 |
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Date first |
1890 |
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Date last |
2016 |
|
Obs |
67 |
|
Pa first |
167 |
|
Pa last |
294.6 |
|
P.A. Now (θ) |
304.6° |
|
Sep first |
0.3 |
|
Sep last |
0.397 |
|
Sep. Now (ρ) |
0.374" |
|
Mag pri |
9.07 |
|
Mag sec |
9.15 |
|
delta mag (ΔM) |
0.08 |
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Spectral class |
F8V (yellow-white) |
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Pri motion ra |
+037 |
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Sec motion ra |
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Pri motion dec |
-078 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 26126 |
|
Constellation |
Taurus |
|
SAO |
76478 |
|
HIP |
19385 |
|
Tycho2 |
1826-00843-1 |
|
HD |
26126 |
|
ADS |
3021 |
|
BD |
BD+28 627 |
|
Distance |
96.71 |
|
Distance ly |
315.47 |
|
ORBITAL ELEMENTS
Period (P) | 158.18y | ± 15.79 |
Periastron (T) | 1880.92y | ± 4.54 |
Semi-major axis (a) | 0.643a | ± 0.036 |
Eccentricity (e) | 0.857 | ± 0.051 |
Inclination (i) | 72.7° | ± 1.7 |
Longitude of periastron (ω) | 271.6° | ± 0.9 |
Node (Ω) | 147.6° | ± 4.9 |
Notes | n | |
Reference | Hrt2008 | |
Equinox | 2000 | |
Last observation | 2003 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
283.5 |
0.401 |
2001 |
284.4 |
0.402 |
2002 |
285.3 |
0.402 |
2003 |
286.2 |
0.403 |
2004 |
287.1 |
0.403 |
2005 |
288.0 |
0.404 |
2006 |
288.9 |
0.404 |
2007 |
289.8 |
0.404 |
2008 |
290.7 |
0.404 |
2009 |
291.5 |
0.404 |
2010 |
292.4 |
0.403 |
2011 |
293.3 |
0.403 |
2012 |
294.2 |
0.402 |
2013 |
295.1 |
0.401 |
2014 |
296.0 |
0.400 |
2015 |
296.9 |
0.398 |
2016 |
297.8 |
0.396 |
2017 |
298.7 |
0.394 |
2018 |
299.7 |
0.392 |
2019 |
300.6 |
0.389 |
2020 |
301.6 |
0.386 |
2021 |
302.5 |
0.383 |
2022 |
303.5 |
0.379 |
2023 |
304.6 |
0.374 |
2024 |
305.6 |
0.369 |
2025 |
306.7 |
0.363 |
2026 |
307.8 |
0.356 |
2027 |
309.0 |
0.349 |
2028 |
310.2 |
0.340 |
2029 |
311.4 |
0.331 |
2030 |
312.8 |
0.319 |
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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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WDS 04091+2839 HO 326 (HD 26126) : NOTES
discov_num |
notes |
refcode |
HO 326 |
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic |
|
|
masses of 9.61 +/- 4.45, 2.43, and 1.10 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Hrt2008 |
Su j |
Hartkopf, W.I., Mason, B.D., & Rafferty, T. |
2008AJ....135.1334H |
Hrt2008 |
+orb |
AJ 135, 1334, 2008 |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
HO |
Hough, G.W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
04091+2839 |
HO 326 |
|
2003 |
61 |
285 |
0.4 |
9.07 |
9.15 |
F8V |
NOD |
040908.56+283835.0 |
04091+2839 |
HO 326 |
|
2008 |
64 |
290 |
0.4 |
9.07 |
9.15 |
F8V |
NOD |
040908.56+283835.0 |
04091+2839 |
HO 326 |
|
2009 |
66 |
291 |
0.4 |
9.07 |
9.15 |
F8V |
NO |
040908.56+283835.0 |
04091+2839 |
HO 326 |
|
2011 |
66 |
290 |
0.4 |
9.07 |
9.15 |
F8V |
NO |
040908.56+283835.0 |
04091+2839 |
HO 326 |
|
2016 |
67 |
295 |
0.4 |
9.07 |
9.15 |
F8V |
NO |
040908.56+283835.0 |
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WDS 04091+2839 HO 326 (HD 26126) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 04091+2839 HO 326 (HD 26126) : MEASURES
No records found.
WDS 04091+2839 (HD 26126) : VIRTUAL EYEPIECE
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WDS 04091+2839 (HD 26126) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.