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47 Ursae Majoris d: Difference between revisions

Coordinates: Sky map 10h 59m 28.0s, +40° 25′ 49″
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{{short description|Extrasolar planet in the constellation Ursa Major}}
{{Planetbox begin
{{Infobox planet
| name = 47 Ursae Majoris d
| name = 47 Ursae Majoris d
| image = Jkv.47UMa.d.png
| caption = An artist's impression of 47 UMa d
<!-- DISCOVERY -->
| discoverer = [[P.C. Gregory|Gregory]] and [[Debra Fischer|Fischer]]
| discovery_site = {{flag|United States}}
| discovered = 6 March 2010
| discovery_method = [[Doppler spectroscopy]]<br/>([[Bayesian Kepler periodogram]])
<!-- DESIGNATIONS -->
<!-- ORBITAL -->
| apsis = astron
| aphelion =
| perihelion =
| semimajor = 11.6{{±|2.1|2.9}}<ref name="Gregory2010"/> [[astronomical unit|AU]]
| eccentricity = 0.16{{±|0.09|0.16}}<ref name="Gregory2010"/>
| period = 14,002{{±|4018|5095}}<ref name="Gregory2010"/> [[day|d]]<br>~38.33 [[year|y]]
| avg_speed =
| time_periastron = 2,451,736{{±|6783|5051}}<ref name="Gregory2010"/>
| arg_peri = 110{{±|132|160}}<ref name="Gregory2010"/>
| star = [[47 Ursae Majoris]]
<!-- PHYS CHARS -->
| single_temperature =
<!-- ATMOSPHERE -->
<!-- NOTES -->
}}
}}
'''47 Ursae Majoris d''' (sometimes abbreviated '''47 Uma d''') is an [[extrasolar planet]] approximately 46 [[light-year]]s away in the [[constellation]] of [[Ursa Major]]. The planet was discovered located in a long-[[orbital period|period]] orbit (38 years) around the star [[47 Ursae Majoris]]. As of 2011, it is the outermost of three known planets in its [[planetary system]]. It has a mass of at least 1.64 times that of [[Jupiter]]. It is the longest-period planet detected by [[Doppler spectroscopy]]. The evidence of this planet was found by [[Bayesian Kepler periodogram]] in March 2010.<ref name="Gregory2010"/>
{{Planetbox star
| star = [[47 Ursae Majoris]]
| constell = [[Ursa Major]]
| RA = {{RA|10|59|28.0}}
| DEC = {{DEC|+40|25|49}}
| app_mag = 5.03
| dist_ly = 45.9
| dist_pc = 14.06
| class = G1V
| mass = 1.08
| radius = 1.172 ± 0.111
| temperature = 5887 ± 3.8
| metallicity = 0.04
| age = 6.03
}}
{{Planetbox orbit
| semimajor = 11.6{{±|2.1|2.9}}<ref name="bayesian">
{{cite journal
|author=P. C. Gregory, D. A. Fischer
|year=2010
|title=A Bayesian periodogram finds evidence for three planets in 47 Ursae Majoris
|journal=[[Monthly Notices of the Royal Astronomical Society]]
|volume=403 |issue=2 |pages=731
|doi=10.1111/j.1365-2966.2009.16233.x
|bibcode=2010MNRAS.403..731G
}}</ref>
| semimajor_gm = ~1730
| semimajor_mas = ~82.4
| periastron = 9.7{{±|4.1|3.2}}
| periastron_gm = ~1460
| apastron = 13.4{{±|3.7|4.7}}
| apastron_gm = ~2010
| eccentricity = 0.16{{±|0.09|0.16}}<ref name="bayesian" />
| period = 14002{{±|4018|5095}}<ref name="bayesian" />
| period_year = ~38.33
| speed = 9.0{{±|7.8|3.7}}
| arg_peri = 110{{±|132|160}}<ref name="bayesian" />
| t_peri = 2,451,736{{±|6783|5051}}<ref name="bayesian" />
}}
{{Planetbox character
| minimum_mass = 1.64{{±|0.29|0.48}}<ref name="bayesian" />
}}
{{Planetbox discovery
| discovery_date = 6 March 2010
| discoverers = [[P.C. Gregory|Gregory]] and [[Debra Fischer|Fischer]]
| discovery_site = {{flag|United States}}
| discovery_method = [[Doppler spectroscopy]]<br />([[Bayesian Kepler periodogram]])
| discovery_status = Confirmed
}}
{{Planetbox reference
| star = 47+UMa
| planet = d
}}
{{Planetbox end}}

'''47 Ursae Majoris d''' is an [[extrasolar planet]] approximately 46 [[light-year]]s away in the [[constellation]] of [[Ursa Major]]. The planet was discovered located in a long-[[orbital period|period]] around the star [[47 Ursae Majoris]]. It is currently the outermost known planet in its [[planetary system]]. Its orbit lasts 38 years and the planet has mass at least 1.64 times that of [[Jupiter]]. It is the longest-period planet detected by [[Doppler spectroscopy]]. The evidence of this planet was found by [[Bayesian Kepler periodogram]] in March 2010.
[[File:47UMaOrbits.svg|thumb|left|Orbits of the 47 Ursae Majoris system planets. 47 UMa d is the outermost planet.]]
[[File:47UMaOrbits.svg|thumb|left|Orbits of the 47 Ursae Majoris system planets. 47 UMa d is the outermost planet.]]
{{-}}
{{Clear}}


==See also==
==References==
{{reflist|refs=


<ref name="Gregory2010">{{cite journal | title=A Bayesian periodogram finds evidence for three planets in 47 Ursae Majoris | last1=Gregory | first1=Philip C. | last2=Fischer | first2=Debra A. | journal=Monthly Notices of the Royal Astronomical Society | volume=403 | issue=2 | pages=731–747 | year=2010 | arxiv=1003.5549 | bibcode=2010MNRAS.403..731G | doi=10.1111/j.1365-2966.2009.16233.x | doi-access=free | s2cid=16722873 }}</ref>
{{Wikipedia-Books|47 Ursae Majoris}}
*[[Stars and planetary systems in fiction#47 Ursae Majoris|47 Ursae Majoris in fiction]]


}}
==References==

{{reflist}}
* {{cite encyclopedia |url=https://exoplanet.eu/catalog/47_uma_d--648/|title=Notes for Planet 47 Uma d |author=Jean Schneider |date=2011 |encyclopedia=[[Extrasolar Planets Encyclopaedia]]|access-date=3 October 2011}}


{{47 Ursae Majoris}}
{{47 Ursae Majoris}}
{{Sky|10|59|28.0|+|40|25|49|45.9}}
{{Sky|10|59|28.0|+|40|25|49|45.9}}
{{Nearest bright star systems|5.}}


[[Category:47 Ursae Majoris]]
[[Category:Exoplanets discovered in 2010]]
[[Category:Exoplanets discovered in 2010]]
[[Category:Extrasolar planets]]
[[Category:Giant planets]]
[[Category:Gas giant planets]]
[[Category:Ursa Major constellation]]
[[Category:Exoplanets detected by radial velocity]]
[[Category:Exoplanets detected by radial velocity]]




{{extrasolar-planet-stub}}
{{extrasolar-planet-stub}}

[[ca:47 Ursae Majoris d]]
[[es:47 Ursae Majoris d]]
[[fr:47 Ursae Majoris d]]
[[ko:큰곰자리 47 d]]

Latest revision as of 12:27, 22 August 2024

47 Ursae Majoris d
An artist's impression of 47 UMa d
Discovery
Discovered byGregory and Fischer
Discovery site United States
Discovery date6 March 2010
Doppler spectroscopy
(Bayesian Kepler periodogram)
Orbital characteristics
11.6+2.1
−2.9[1] AU
Eccentricity0.16+0.09
−0.16[1]
14,002+4018
−5095[1] d
~38.33 y
2,451,736+6783
−5051[1]
110+132
−160[1]
Star47 Ursae Majoris

47 Ursae Majoris d (sometimes abbreviated 47 Uma d) is an extrasolar planet approximately 46 light-years away in the constellation of Ursa Major. The planet was discovered located in a long-period orbit (38 years) around the star 47 Ursae Majoris. As of 2011, it is the outermost of three known planets in its planetary system. It has a mass of at least 1.64 times that of Jupiter. It is the longest-period planet detected by Doppler spectroscopy. The evidence of this planet was found by Bayesian Kepler periodogram in March 2010.[1]

Orbits of the 47 Ursae Majoris system planets. 47 UMa d is the outermost planet.

References

[edit]
  1. ^ a b c d e f Gregory, Philip C.; Fischer, Debra A. (2010). "A Bayesian periodogram finds evidence for three planets in 47 Ursae Majoris". Monthly Notices of the Royal Astronomical Society. 403 (2): 731–747. arXiv:1003.5549. Bibcode:2010MNRAS.403..731G. doi:10.1111/j.1365-2966.2009.16233.x. S2CID 16722873.


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