List of red dwarfs

{{Short description|none}}

{{cleanup|reason=Many sections need to be filled in or if too hard to fill in, delete the section header|date=October 2018}}

{{wiktionary|red dwarf}}

{{commons category|Red dwarfs}}

This is a list of exceptional red dwarfs.

List of titleholding red dwarf stars

This is a list of red dwarfs that currently hold records.

=List of red dwarf firsts=

class="wikitable sortable"

|+ Firsts

| Record Title

!| Star

!| Date

!| Data

!width=100%| Notes

!|

| {{nowrap|First discovered}}Lacaille 87601753Originally listed in a 1763 catalog that was published posthumously by Abbé Nicolas Louis de Lacaille.

{{see|#List of the earliest red dwarfs discovered}}

{{citation | first1=Ken | last1=Croswell |date=July 2003 | page=32 | title=The Brightest Red Dwarf | journal=Sky & Telescope | url=http://www.kencroswell.com/thebrightestreddwarf.html | access-date=2019-08-31 | postscript=. }}
| First discovered with planet(s){{nowrap|Gliese 876}}1998{{nowrap|Gliese 876 b}}{{see also|List of exoplanet firsts}}

The Jovian planet was the first discovered around a red dwarf.

{{cite magazine |journal= Popular Science |date= September 1998 |author= Marietta DiChristina |title= Other Worlds |pages= 77–79 }}{{cite journal |bibcode=1998A&A...338L..67D |last1=Delfosse |first1=Xavier |last2=Forveille |first2=Thierry |last3=Mayor |first3=Michel |last4=Perrier |first4=Christian |last5=Naef |first5=Dominique |last6=Queloz |first6=Didier |title=The closest extrasolar planet. A giant planet around the M4 dwarf GL 876 |journal=Astronomy and Astrophysics |volume=338 |pages=L67–L70 |year=1998 |arxiv=astro-ph/9808026 }}
| First discovered with giant planet(s){{nowrap|Gliese 876}}1998{{nowrap|Gliese 876 b}}The giant planet was the first planet discovered around a red dwarf.
| First discovered with terrestrial planet(s){{nowrap|Kepler-42
(KOI-961)}}
2012{{nowrap|KOI-961 b
KOI-961 c
KOI-961 d}}
3 terrestrial planets were discovered around KOI-961 in 2012, the first terrestrial planets found to orbit a red dwarf.{{cite web |url= http://www.futurity.org/tiny-planet-triplets-orbit-dwarf-star/ |title= Tiny planet triplets orbit dwarf star |author= Deborah Williams-Hedges |date= 13 January 2012 |publisher= Futurity }}

=List of red dwarf extremes=

class="wikitable sortable"

|+ Extremes

| Record Title

!| Star

!| Date

!| Data

!width=100%| Notes

!| References

| {{nowrap|Least voluminous}}EBLM J0555-57Ab2017r= {{convert|59000|km|mi|abbr=on}} {{see|#List of least voluminous red dwarfs}}{{Cite journal |last=von Boetticher |first=Alexander |last2=Triaud |first2=Amaury H. M. J. |last3=Queloz |first3=Didier |last4=Gill |first4=Sam |last5=Lendl |first5=Monika |last6=Delrez |first6=Laetitia |last7=Anderson |first7=David R. |last8=Cameron |first8=Andrew Collier |last9=Faedi |first9=Francesca |last10=Gillon |first10=Michaël |last11=Chew |first11=Yilen Gómez Maqueo |last12=Hebb |first12=Leslie |last13=Hellier |first13=Coel |last14=Jehin |first14=Emmanuël |last15=Maxted |first15=Pierre F. L. |date=August 2017 |title=The EBLM project III. A Saturn-size low-mass star at the hydrogen-burning limit |url=http://arxiv.org/abs/1706.08781 |journal=Astronomy & Astrophysics |volume=604 |pages=L6 |doi=10.1051/0004-6361/201731107 |issn=0004-6361|arxiv=1706.08781 }}
| {{nowrap|Most voluminous}}Sz742017{{val|3.13|0.72}} {{see|#List of most voluminous red dwarfs}}{{citation

| title=X-shooter spectroscopy of young stellar objects in Lupus. Accretion properties of class II and transitional objects

| last1=Alcalá | first1=J. M. | last2=Manara | first2=C. F.

| last3=Natta | first3=A. | last4=Frasca | first4=A.

| last5=Testi | first5=L. | last6=Nisini | first6=B.

| last7=Stelzer | first7=B. | last8=Williams | first8=J. P.

| last9=Antoniucci | first9=S. | last10=Biazzo | first10=K.

| last11=Covino | first11=E. | last12=Esposito | first12=M.

| last13=Getman | first13=F. | last14=Rigliaco | first14=E.

| display-authors=1 | journal=Astronomy & Astrophysics

| volume=600 | id=A20 | pages=42 | postscript=.

| date=April 2017 | doi=10.1051/0004-6361/201629929

| arxiv=1612.07054 | bibcode=2017A&A...600A..20A | s2cid=119211262 }}

| {{nowrap|Least massive}}2MASS J0523-1403201567.54±12.79 {{Jupiter mass}} {{see|#List of least massive red dwarfs}}{{Cite journal|last1=Filippazzo|first1=Joseph C.|last2=Rice|first2=Emily L.|last3=Faherty|first3=Jacqueline|author3-link=Jackie Faherty|last4=Cruz|first4=Kelle L.|last5=Gordon|first5=Mollie M. Van|last6=Looper|first6=Dagny L.|date=September 2015|journal=The Astrophysical Journal|volume=810|issue=2|page=158|doi=10.1088/0004-637X/810/2/158|issn=0004-637X|title=Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime|bibcode=2015ApJ...810..158F|arxiv=1508.01767|s2cid=89611607}}
| {{nowrap|Most massive}}Kepler-8020120.73 {{Solar mass}} {{see|#List of most massive red dwarfs}}{{Cite web |last=Martin |first=Pierre-Yves |date=2023 |title=Planet Kepler-80 b |url=https://exoplanet.eu/catalog/kepler_80_b--1160/ |access-date=2023-11-01 |work=Extrasolar Planets Encyclopaedia |language=en}}
| {{nowrap|Least distant}}{{nowrap|Proxima Centauri}}1917{{convert|4.2|ly|pc|abbr=on|lk=on}}{{see|#List of nearest red dwarfs}}

This is also known as Alpha Centauri C and is a member of the α Cen trinary system. It is the nearest neighbouring star to the Sun.

| {{nowrap|Most distant}}UDF 35612010202,000 ly

(62,000 pc)

{{see|#List of furthest red dwarfs}}{{Cite journal|last1=Kilic|first1=Mukremin|last2=Gianninas|first2=Alexandros|last3=von Hippel|first3=Ted|title=Moving Objects in the Hubble Ultra Deep Field |date=2013-08-19|url=https://iopscience.iop.org/article/10.1088/0004-637X/774/1/88|journal=The Astrophysical Journal|language=en|volume=774|issue=1|page=88|doi=10.1088/0004-637x/774/1/88|arxiv=1307.5067 |bibcode=2013ApJ...774...88K |s2cid=118470451 |issn=0004-637X}}
| {{nowrap|Least luminous}}2MASS J0523-1403 {{see|#List of least luminous red dwarfs}}
| {{nowrap|Most luminous}} {{see|#List of most luminous red dwarfs}}
| {{nowrap|Dimmest}}UDF 2457V= 25 {{see|#List of dimmest red dwarfs}}{{Cite web |title=SKY-MAP.ORG - Interactive Sky Map |url=http://www.wikisky.org/?ra=3.5441034&de=-27.80278&zoom=15&show_grid=1&show_constellation_lines=1&show_constellation_boundaries=1&show_const_names=1&show_galaxies=1&show_box=1&box_ra=3.5441034&box_de=-27.80278&box_width=50&box_height=50&img_source=IMG_all |access-date=2023-11-01 |website=www.wikisky.org}}
| {{nowrap|Brightest}}Lacaille 8760V= 6.69{{see|#List of brightest red dwarfs}}

Also called AX Microscopii. This is the 24th closest star to the Sun, and also intrinsically luminous for red dwarfs, having spectral class M0.

{{cite magazine |url= http://kencroswell.com/thebrightestreddwarf.html |title= The Brightest Red Dwarf |author= Ken Croswell |date= July 2002 |page= 38 |journal= Sky and Telescope }}{{cite magazine |url= http://www.skyandtelescope.com/wp-content/uploads/Lalande+21185+Sidebar.pdf |title= Lalande 21185: The Brightest Red Dwarf for the Rest of Us |year= 2013 |author= David Tytell }}
| {{nowrap|Youngest}}See T Tauri star {{see|#List of youngest red dwarfs}}
| {{nowrap|Oldest}}See cool subdwarfs {{see|#List of oldest red dwarfs}}

List of named red dwarfs

This is a list of red dwarfs with names that are not systematically designated.

class="wikitable sortable"
| Star

!width=50%| Naming

!width=50%| Notes

!|

| {{nowrap|Proxima Centauri}}Named for being the closest neighbouring star to Earth's SunLies within the Alpha Centauri star system{{cite journal |title= The Discovery of the Nearest Star |author= I.S. Glass |journal= Monthly Notes of the Astronomical Society of South Africa |volume= 66 |number= 11 and 12 |pages= 244–262 |publication-date= December 2007 |bibcode= 2007MNSSA..66..244G |year= 2007 }}
| {{nowrap|Barnard's Star}}Named after its discoverer, E. E. BarnardSecond closest neighbouring star system to Earth, after α Cen. Also the star with the highest proper motion.
| {{nowrap|van Biesbroeck's star}}Named for its discoverer, George van BiesbroeckWas once the least luminous, and, lowest mass, known star.{{cite journal |title= Stars Nearer than Five Parsecs |author= Peter van de Kamp |date= April 1953 |doi= 10.1086/126538 |bibcode= 1953PASP...65...73V |journal= Publications of the Astronomical Society of the Pacific |volume= 65 |number= 383 |pages= 73–77 |doi-access= free }}
| {{nowrap|Kapteyn's star}}Named for the astronomer who discovered it had gone missing, Jacobus KapteynWas once the star with the highest proper motion, thus making it move away from its recorded position in the sky and go "missing".{{cite magazine |url= http://www.astronomy.com/magazine/2005/11/the-discoverers-of-kapteyns-star |title= The discoverers of Kapteyn's Star |journal= Astronomy Magazine |author= Liz Kruesi |publication-date= January 2006 |date= 28 November 2005 }}
| {{nowrap|Teegarden's Star}}Named after the lead investigator astrophysicist who discovered it, Bonnard J. Teegarden, through a datacrunching search of archived data.

List of nearest red dwarfs

{{see also|List of nearest stars}}

class="wikitable sortable"
|

!| Star

!| Distance
ly (pc)

!width=100%| Notes

!|

| 1{{nowrap|Proxima Centauri}}{{convert|4.2|ly|pc|abbr=on|lk=off}}Part of the α Cen trinary system, the closest neighbouring star system. It is also the nearest neighbouring star.
| 2{{nowrap|Barnard's Star}}{{convert|5.95|ly|pc|abbr=on|lk=off}}Second closest neighbouring star system{{Cite web|url=https://www.britannica.com/place/Barnards-star|title=Barnard's star {{!}} Distance, Facts, & Planet|website=Encyclopedia Britannica|access-date=2019-11-13}}
| 3{{nowrap|Wolf 359}}{{convert|7.86|ly|pc|abbr=on|lk=off}}Also called CN Leonis
| 4{{nowrap|Lalande 21185}}{{convert|8.3|ly|pc|abbr=on|lk=off}}
| 5{{nowrap|Luyten 726-8}}{{convert|8.7|ly|pc|abbr=on|lk=off}}This is a binary star system with two red dwarfs
6

|Ross 154

|9.68 ly (2.97 pc)

|

|{{citation needed|date=January 2020}}

List of least voluminous red dwarfs

{{see also|List of least voluminous stars}}

class="wikitable sortable"
|

!| Star

!| Radius
{{nowrap|Solar radii}}
{{nowrap|1=(Sun = 1)}}

!| Radius
{{nowrap|Jupiter radii}}
{{nowrap|1=(Jupiter = 1)}}

!| Radius
km
(mi)

!width=100%| Notes

!|

| 1{{nowrap|EBLM J0555-57Ab}}0.0840.84{{convert|59000|km|mi|abbr=on}}This star is slightly larger than the planet Saturn.
| 2{{nowrap|2MASS J0523-1403}}0.0860.86{{convert|60000|km|mi|abbr=on}}

=Timeline of smallest red dwarf recordholders=

This is a list of titleholders of being the red dwarf with the smallest volume, and its succession over time.

class="wikitable sortable"

|+ List of smallest red dwarf titleholders

| Star

!| Date

!| Radius
{{nowrap|Solar radii}}
{{nowrap|1=(Sun = 1)}}

!| Radius
{{nowrap|Jupiter radii}}
{{nowrap|1=(Jupiter = 1)}}

!| Radius
km
(mi)

!width=100%| Notes

!|

| {{nowrap|EBLM J0555-57Ab}}{{nowrap|2017—}}0.0840.84{{convert|59000|km|mi|abbr=on}}This star is slightly larger than the planet Saturn.{{cite news |url= https://www.cnet.com/news/smallest-star-eblm-j0555-57ab-space-alien-life-cambridge-trappist-1/ |title= Saturn-sized star is the smallest ever discovered |author= Eric Mack |date= 11 July 2017 |publisher= cnet }}{{cite web |url= https://www.cam.ac.uk/research/news/smallest-ever-star-discovered-by-astronomers |title= Smallest-ever star discovered by astronomers |date= 2017 |publisher= University of Cambridge }}{{cite journal |title= The EBLM project; III. A Saturn-size low-mass star at the hydrogen-burning limit |author=Alexander von Boetticher |author2=Amaury H.M.J. Triaud |author3=Didier Queloz |author4=Sam Gill |author5=Monika Lendl |author6=Laetitia Delrez |author7=David R. Anderson |author8=Andrew Collier Cameron |author9=Francesca Faedi |author10=Michaël Gillon |author11=Yilen Gómez Maqueo Chew |author12=Leslie Hebb |author13=Coel Hellier |author14=Emmanuël Jehin |author15=Pierre F.L. Maxted |author16=David V. Martin |author17=Francesco Pepe |author18=Don Pollacco |author19=Damien Ségransan |author20=Barry Smalley |author21=Stéphane Udry |author22=Richard West |arxiv= 1706.08781 |journal= Astronomy & Astrophysics |volume= 604 |issue= 6 |pages= L6 |id= EBLM_III |date= 12 June 2017 |bibcode= 2017A&A...604L...6V |doi= 10.1051/0004-6361/201731107 |s2cid= 54610182 }}
| {{nowrap|2MASS J0523-1403}}{{nowrap|2013-2017}}0.0860.86{{convert|60000|km|mi|abbr=on}}{{cite web|first=Katy|last=Garmany|title=NOAO/SOAR: Where do stars end and brown dwarfs begin?|url=http://www.noao.edu/news/2013/pr1311.php|publisher=National Optical Astronomy Observatory|access-date=14 December 2013}}{{cite news |url= http://www.skyandtelescope.com/astronomy-news/new-cutoff-for-star-sizes/ |title= New Cutoff for Star Sizes |author= John Bochanski |date= 23 December 2013 |publisher= Sky and Telescope }}{{cite journal |author1=Sergio B. Dieterich |author2=Todd J. Henry |author3=Wei-Chun Jao |author4=Jennifer G. Winters |author5=Altonio D. Hosey |author6=Adric R. Riedel |author7=John P. Subasavage |title= The Solar Neighborhood XXXII. The Hydrogen Burning Limit |journal= The Astronomical Journal |volume= 147 |issue= 5 |id= 94 |page= 25 |date= May 2014 |doi= 10.1088/0004-6256/147/5/94 |bibcode= 2014AJ....147...94D |arxiv= 1312.1736 |s2cid=21036959 }}
| {{nowrap|OGLE-TR-122B}}{{nowrap|2005-2013}}0.1201.16{{convert|81100|km|mi|abbr=on}}{{cite news |url= http://www.space.com/840-newfound-star-smaller-planets.html |title= Newfound Star Smaller than Some Planets |author= Robert Roy Britt |date= 3 March 2005 |work= Space.com }}{{cite web |url= http://www.spaceanswers.com/deep-space/what-is-the-smallest-star/ |title= What is the smallest star? |author1= Jonathan O'Callaghan |author2= Josh Barker (National Space Centre) |date= 22 March 2013 |publisher= SpaceAnswers.com }}{{cite journal |title= A planet-sized transiting star around OGLE-TR-122. Accurate mass and radius near the hydrogen-burning limit |arxiv= astro-ph/0501611 |doi= 10.1051/0004-6361:200500025 |bibcode= 2005A&A...433L..21P |author1=Pont, F. |author2=Melo, C. H. F. |author3=Bouchy, F. |author4=Udry, S. |author5=Queloz, D. |author6=Mayor, M. |author7=Santos, N. C. |publication-date= April 2005 |journal= Astronomy and Astrophysics |volume= 433 |issue= 2 |page= L21–L24 |date= 27 January 2005 |s2cid= 14799999 }}

See also

References

{{reflist}}

{{Star}}

*

Red dwarfs