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HD 212301 b

{{Short description|Extrasolar planet in the constellation Octans}}

{{Infobox planet

| name = HD 212301 b

| discoverer = Lo Curto et al.

| discovery_site = La Silla Observatory

| discovered = August 22, 2005

| discovery_method = Doppler spectroscopy

| apsis = astron

| aphelion = {{convert|0.0341|AU|km|abbr=on}}

| perihelion = {{convert|0.0341|AU|km|abbr=on}}

| semimajor = {{convert|0.0341|AU|km|abbr=on}}

| eccentricity = 0

| period = 2.24572 ± 28 d
53.897 h

| avg_speed = 166

| time_periastron = 2453549.195 ± 0.004

| arg_peri = 0

| semi-amplitude = 59.5 ± 0.7

| star = HD 212301

}}

HD 212301 b is an extrasolar planet located approximately 172 light-years (53 parsecs) away in the constellation of Octans, orbiting the star HD 212301. It has an orbital period of 2.25 Earth days. The orbital distance is 0.0341 astronomical units or 5.10 gigameters.

On August 22, 2005, taking place in ESO La Silla Observatory in Chile, the planet was discovered by Lo Curto who used the HARPS spectrometer.

See also

References

{{Reflist|refs=

{{cite journal | url=http://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2006A%2526A...451..345LFUL | title=The HARPS search for southern extra-solar planets VII. A very hot Jupiter orbiting HD 212301 | last1=Lo Curto | first1=G. | last2=Mayor | first2=M. | last3=Clausen | first3=J. V. | last4=Benz | first4=W. | last5=Bouchy | first5=F. | last6=Lovis | first6=C. | last7=Moutou | first7=C. | last8=Naef | first8=D. | last9=Pepe | first9=F. | display-authors=1 | journal=Astronomy & Astrophysics | volume=451 | issue=1 | pages=345–350 | year=2015 | bibcode=2006A&A...451..345L | doi=10.1051/0004-6361:20054083 | arxiv=1411.7048 }}

}}

External links

  • {{cite encyclopedia | url=http://exoplanet.eu/planet.php?p1=HD+212301&p2=b | title=Notes for planet HD 212301 b | access-date=2008-08-29 | archive-date=2012-06-02 | archive-url=https://web.archive.org/web/20120602015353/http://exoplanet.eu/planet.php?p1=HD+212301&p2=b | encyclopedia=Extrasolar Planets Encyclopaedia | url-status=dead }}
  • {{cite web | url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+212301 | title=HD 212301 | work=Exoplanets | access-date=2008-08-29 | archive-url=https://web.archive.org/web/20080514234219/http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+212301 | archive-date=2008-05-14 | url-status=dead }}

{{Sky|22|27|30.9195|-|77|43|04.521|171.93}}{{Octans}}

{{DEFAULTSORT:Hd 212301 B}}

Category:Hot Jupiters

Category:Octans

Category:Exoplanets discovered in 2005

Category:Exoplanets detected by radial velocity

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