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HD 196050 b: Difference between revisions

Coordinates: Sky map 20h 37m 51.7102s, −60° 38′ 04.135″
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{{Short description|Extrasolar planet in the constellation Pavo}}
{{Planetbox begin
{{Infobox planet
| name = HD 196050 b
| name = HD 196050 b
⚫
}}
<!-- DISCOVERY -->
{{Planetbox star
| discovery_ref = <ref name="Jones2002"/>
⚫
| star = [[HD 196050]]
⚫
| discoverer = Jones ''et al.''
| constell = [[Pavo (constellation)|Pavo]]
⚫
| discovery_site = [[Anglo-Australian Observatory]]
| RA = {{RA|20|37|51.7102}}
⚫
| discovered = 13 June 2002
| DEC = {{DEC|−60|38|04.135}}
⚫
| discovery_method = [[Doppler spectroscopy]] ([[Anglo-Australian Telescope|AAT]])
| appmag_v = 7.6
<!-- DESIGNATIONS -->
| dist_ly = 153.05
<!-- ORBITAL -->
| dist_pc = 46.93
| orbit_ref = <ref name="Xiao2023"/>
| class = G3V
| apsis = astron
| aphelion =
| perihelion =
| semimajor = {{val|2.585|0.032|0.035|ul=AU}}
⚫
| eccentricity = {{val|0.178|0.011}}
| period = {{val|1393|9|ul=d}}<br>{{val|3.813|0.026|0.024|ul=yr}}
| inclination = {{val|41.0|10.0|6.3|u=deg}} or {{val|139.0|6.3|10.0|u=deg}}
| asc_node = {{val|15.2|157.0|9.2|u=deg}}
| avg_speed = 20.1
| time_periastron = {{val|2456307|46|47}}
| arg_peri = {{val|165.3|9.4|10.0|u=deg}}
⚫
| semi-amplitude = 49.7 ± 2
⚫
| star = [[HD 196050]]
<!-- PHYS CHARS -->
| physical_ref = <ref name="Xiao2023"/>
| mass = {{val|4.55|0.69|0.72|ul=Jupiter mass}}
<!-- ATMOSPHERE -->
<!-- NOTES -->
}}
}}
⚫
'''HD 196050 b''' is an [[exoplanet]] with a 1378-day period and a [[minimum mass]] of 2.90 [[Jupiter mass]]es. The average [[orbital distance]] is 2.54 [[astronomical unit]]s and the [[orbital eccentricity]] is 22.8%. The [[periastron|periastron (closest) distance]] is 1.96 AU and the [[apastron|apastron (farthest) distance]] is 3.12 AU. The average [[orbital speed|orbital velocity]] is 20.1&nbsp;km/s and the semi-amplitude is 49.7&nbsp;m/s. The [[longitude of periastron]] is 187° and the [[time of periastron]] is 2,450,843 JD.
{{Planetbox orbit
| semimajor = 2.54
| semimajor_gigameter = 380
| periastron = 1.96
| periastron_gigameter = 293
| apastron = 3.12
| apastron_gigameter = 467
⚫
| eccentricity = 0.228 ± 0.038
| period = 1378 ± 21
| period_year = 3.773
| speed = 20.1
| angular_dist = 54.12
| arg_peri = 187 ± 12
| ti_peri = 2450843 ± 56
⚫
| semi-amp = 49.7 ± 2
}}
{{Planetbox character
| minimum_mass = 2.90
| minimum_mass_earth = 922
}}
{{Planetbox discovery
⚫
| discovery_date = 13 June 2002
⚫
| discoverers = Jones ''et al.''
⚫
| discovery_method = [[Doppler spectroscopy]] ([[Anglo-Australian Telescope|AAT]])
⚫
| discovery_site = [[Anglo-Australian Observatory]]
| discovery_status = Published
}}
{{Planetbox catalog
| names = HIP 101806 b
}}
{{Planetbox reference
| star = HD+196050
| planet = b
}}
{{Planetbox end}}

⚫
'''HD 196050 b''' is a 1378-day [[extrasolar planet]] with a [[minimum mass]] of 2.90 [[Jupiter mass]]. The average [[orbital distance]] is 2.54 [[astronomical unit]]s or 380 [[gigameter]]s or 12.3 [[microparsec]]s. The [[orbital eccentricity]] is 22.8%. The [[periastron|periastron (closest) distance]] is 1.96 AU and the [[apastron|apastron (farthest) distance]] is 3.12 AU. The average [[orbital speed|orbital velocity]] is 20.1&nbsp;km/s and the semi-amplitude is 49.7&nbsp;m/s. The [[longitude of periastron]] is 187° and the [[time of periastron]] is 2,450,843 JD.


The planet is typically discovered by using [[Doppler spectrometer]] by looking for shifts in the spectrum of the star. In [[Australia]], Jones et al. found this planet in 2002 by using the [[Anglo-Australian Telescope|telescope]] in [[Anglo-Australian Observatory]].
The planet was discovered by using [[Doppler spectroscopy]] by looking for shifts in the spectrum of the star. In [[Australia]], Jones et al. found this planet in 2002 by using the [[Anglo-Australian Telescope|telescope]] in [[Anglo-Australian Observatory]].<ref name="Jones2002"/> In 2023, the inclination and true mass of HD 196050 b were determined via [[astrometry]].<ref name="Xiao2023"/>


== See also ==
== See also ==
Line 57: Line 39:


== References ==
== References ==
{{reflist|refs=
* {{cite journal | url=http://www3.interscience.wiley.com/journal/118945825/abstract | author=Jones ''et al.'' | title=Extrasolar planets around HD 196050, HD 216437 and HD 160691 | journal=[[Monthly Notices of the Royal Astronomical Society]] |year=2002 |volume=337 |issue=4 | pages=1170–1178 |doi=10.1046/j.1365-8711.2002.05787.x | format=abstract | last2=Paul Butler | first2=R. | last3=Marcy | first3=Geoffrey W. | last4=Tinney | first4=Chris G. | last5=Penny | first5=Alan J. | last6=McCarthy | first6=Chris | last7=Carter | first7=Brad D.|arxiv = astro-ph/0206216 |bibcode = 2002MNRAS.337.1170J }}[http://arxiv.org/abs/astro-ph/0206216 web preprint]

⚫
* {{cite journal |bibcode=2002IAUC.7985....1G |author=Greenhill ''et al.'' |title=epsilon Eridani, upsilon Andromedae, 51 Pegasi, HD 209458, HD 196050 |journal=IAU Circ. |year=2002 |volume= |pages= }}
* {{cite journal |bibcode=2005A&A...440.1051M |author=Mugrauer ''et al.'' |title=Four new wide binaries among exoplanet host stars |journal=Astronomy and Astrophysics |year=2005 |volume=440 |issue=3 |pages=1051–1060 |doi=10.1051/0004-6361:20042297 |last2=Neuhäuser |first2=R. |last3=Seifahrt |first3=A. |last4=Mazeh |first4=T. |last5=Guenther |first5=E.|arxiv = astro-ph/0507101 }}
<ref name="Jones2002">{{cite journal | last1=Jones | first1=Hugh R. A. | title=Extrasolar planets around HD 196050, HD 216437 and HD 160691 | journal=[[Monthly Notices of the Royal Astronomical Society]] |date=2002 |volume=337 |issue=4 | pages=1170–1178 |doi=10.1046/j.1365-8711.2002.05787.x | last2=Paul Butler | first2=R. | last3=Marcy | first3=Geoffrey W. | last4=Tinney | first4=Chris G. | last5=Penny | first5=Alan J. | last6=McCarthy | first6=Chris | last7=Carter | first7=Brad D.| doi-access=free |arxiv = astro-ph/0206216 |bibcode = 2002MNRAS.337.1170J | s2cid=119520409 }}</ref>

<ref name="Xiao2023">{{cite journal |last1=Xiao |first1=Guang-Yao |last2=Liu |first2=Yu-Juan |display-authors=etal |date=May 2023 |title=The Masses of a Sample of Radial-Velocity Exoplanets with Astrometric Measurements |journal=[[Research in Astronomy and Astrophysics]] |volume=23 |issue=5 |pages=055022 |doi=10.1088/1674-4527/accb7e |arxiv=2303.12409 |bibcode=2023RAA....23e5022X}}</ref>

⚫
}}

⚫
* {{cite journal |bibcode=2002IAUC.7985....1G |author=Greenhill |display-authors=etal |title=epsilon Eridani, upsilon Andromedae, 51 Pegasi, HD 209458, HD 196050 |journal=IAU Circ. |date=2002 |volume=7985 |page=1 }}
* {{cite journal |bibcode=2005A&A...440.1051M |author=Mugrauer |title=Four new wide binaries among exoplanet host stars |journal=Astronomy and Astrophysics |date=2005 |volume=440 |issue=3 |pages=1051–1060 |doi=10.1051/0004-6361:20042297 |last2=Neuhäuser |first2=R. |last3=Seifahrt |first3=A. |last4=Mazeh |first4=T. |last5=Guenther |first5=E.|arxiv = astro-ph/0507101 |s2cid=14065040 }}


== External links ==
== External links ==
* {{cite web | url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+196050 | title=HD 196050 | work=Exoplanets}}
* {{cite web | url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+196050 | title=HD 196050 | work=Exoplanets | access-date=2008-11-01 | archive-url=https://web.archive.org/web/20091125002849/http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+196050 | archive-date=2009-11-25 | url-status=dead }}

⚫
{{Sky|20|37|51.7102|-|60|38|04.135|153.05}}


⚫
{{Sky|20|37|51.7102|-|60|38|04.135|153.05}}{{Pavo (constellation)}}
{{DEFAULTSORT:Hd 196050 B}}
{{DEFAULTSORT:Hd 196050 B}}
⚫
[[Category:Exoplanets]]
[[Category:Exoplanets discovered in 2002]]
[[Category:Exoplanets discovered in 2002]]
[[Category:Gas giants]]
[[Category:Giant planets]]
[[Category:Pavo (constellation)]]
[[Category:Pavo (constellation)]]
[[Category:Exoplanets detected by radial velocity]]
[[Category:Exoplanets detected by radial velocity]]
⚫
[[Category:Exoplanets detected by astrometry]]



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

Latest revision as of 20:23, 16 July 2024

HD 196050 b
Discovery[1]
Discovered byJones et al.
Discovery siteAnglo-Australian Observatory
Discovery date13 June 2002
Doppler spectroscopy (AAT)
Orbital characteristics[2]
2.585+0.032
−0.035 AU
Eccentricity0.178±0.011
1393±9 d
3.813+0.026
−0.024 yr
20.1
Inclination41.0°+10.0°
−6.3° or 139.0°+6.3°
−10.0°
15.2°+157.0°
−9.2°
2456307+46
−47
165.3°+9.4°
−10.0°
Semi-amplitude49.7 ± 2
StarHD 196050
Physical characteristics[2]
Mass4.55+0.69
−0.72 MJ

HD 196050 b is an exoplanet with a 1378-day period and a minimum mass of 2.90 Jupiter masses. The average orbital distance is 2.54 astronomical units and the orbital eccentricity is 22.8%. The periastron (closest) distance is 1.96 AU and the apastron (farthest) distance is 3.12 AU. The average orbital velocity is 20.1 km/s and the semi-amplitude is 49.7 m/s. The longitude of periastron is 187° and the time of periastron is 2,450,843 JD.

The planet was discovered by using Doppler spectroscopy by looking for shifts in the spectrum of the star. In Australia, Jones et al. found this planet in 2002 by using the telescope in Anglo-Australian Observatory.[1] In 2023, the inclination and true mass of HD 196050 b were determined via astrometry.[2]

See also

[edit]

References

[edit]
  1. ^ a b Jones, Hugh R. A.; Paul Butler, R.; Marcy, Geoffrey W.; Tinney, Chris G.; Penny, Alan J.; McCarthy, Chris; Carter, Brad D. (2002). "Extrasolar planets around HD 196050, HD 216437 and HD 160691". Monthly Notices of the Royal Astronomical Society. 337 (4): 1170–1178. arXiv:astro-ph/0206216. Bibcode:2002MNRAS.337.1170J. doi:10.1046/j.1365-8711.2002.05787.x. S2CID 119520409.
  2. ^ a b c Xiao, Guang-Yao; Liu, Yu-Juan; et al. (May 2023). "The Masses of a Sample of Radial-Velocity Exoplanets with Astrometric Measurements". Research in Astronomy and Astrophysics. 23 (5): 055022. arXiv:2303.12409. Bibcode:2023RAA....23e5022X. doi:10.1088/1674-4527/accb7e.
[edit]
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