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Kepler-37c

{{Short description|Terrestrial planet orbiting Kepler-37}}

{{Infobox planet

| name = Kepler-37c

| discovery_ref =

| discovery_site = Kepler space telescope

| discovered = 2013

| discovery_method = Transit

| orbit_ref =

| apsis = astron

| semimajor = {{val|0.1390|0.0020|ul=AU}}

| eccentricity = <0.099

| period = {{val|21.301848|(18)|ul=d}}

| inclination = {{val|89.07|0.19|0.33|u=deg}}

| star = Kepler-37

| physical_ref =

| mean_radius = {{val|0.755|0.033|0.055|ul=Earth radius}}

| mass = {{val|p=<|1.3|ul=Earth mass}}

| single_temperature = {{val|615|9|ul=K}} ({{convert|615|K|C F|disp=out}}, equilibrium)

}}

Kepler-37c is an exoplanet discovered by the Kepler space telescope in February 2013. With an orbital period of 21 days, it is located 209 light-years away, in the constellation Lyra.

Host star

{{main|Kepler-37}}

The planet orbits a (G-type) star similar to the Sun, named Kepler-37, orbited by a total of four planets. The star has a mass of 0.80 {{solar mass}} and a radius of 0.79 {{solar radius}}. It has a temperature of, 5417 K and is 5.66 billion years old. In comparison, the Sun is 4.6 billion years old,{{cite web |url=http://www.universetoday.com/18237/how-old-is-the-sun/ |title=How Old is the Sun? |author=Fraser Cain |date=16 September 2008|publisher=Universe Today |access-date=19 February 2011}} and has a temperature of 5778 K.{{cite web |url=http://www.universetoday.com/18092/temperature-of-the-sun/ |title=Temperature of the Sun |author=Fraser Cain |date=15 September 2008|publisher=Universe Today |access-date=19 February 2011}}

The star's apparent magnitude, or how bright it appears from Earth's perspective, is 9.71. Therefore, it is too dim to be seen with the naked eye.

See also

References

{{reflist|refs=

{{cite web|last=Harwood|first=William|title=Kepler telescope spots smallest exoplanet yet|url=http://spaceflightnow.com/news/n1302/21kepler/|publisher=Spaceflight Now Inc|access-date=25 February 2013}}

{{cite web|last=Black |first=Charles |title=NASA's Kepler discovers small planet system |url=http://www.sen.com/News/nasa-s-kepler-discovers-small-planet-system.html |publisher=SEN TV LIMITED |access-date=25 February 2013 |url-status=dead |archive-url=https://web.archive.org/web/20130223045419/http://www.sen.com/news/nasa-s-kepler-discovers-small-planet-system.html |archive-date=23 February 2013 }}

{{cite journal |last1=Barclay |first1=T. |last2=Rowe |first2=J. F. |last3=Lissauer |first3=J. J. |last4=Huber |first4=D. |last5=Fressin |first5=F. |last6=Howell |first6=S. B. |last7=Bryson |first7=S. T. |last8=Chaplin |first8=W. J. |last9=Désert |first9=J. M. |title=A sub-Mercury-sized exoplanet |journal=Nature |date=2013-02-20 |issn=0028-0836 |doi=10.1038/nature11914 |arxiv=1305.5587 |bibcode=2013Natur.494..452B |pmid=23426260 |volume=494 |issue=7438 |pages=452–4|s2cid=205232792 }}

{{cite journal |last1=Bonomo |first1=A. S. |last2=Dumusque |first2=X. |display-authors=etal |date=April 2023 |title=Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems |journal=Astronomy & Astrophysics |volume= |issue= |pages= |doi= 10.1051/0004-6361/202346211|arxiv=2304.05773|s2cid=258078829 }}

}}

{{Kepler-37}}

{{Exoplanets}}

{{2013 in space}}

Category:Exoplanets discovered in 2013

37c

Category:Lyra

Category:Terrestrial planets

Category:Transiting exoplanets

Category:Kepler-37

{{extrasolar-planet-stub}}