VFTS 243

{{Short description|Spectroscopic binary in the constellation Dorado}}

{{Starbox begin}}

{{Starbox image

| image = 280px

| caption = VFTS 243 in Hubble Space Telescope colours

| credit =

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{{Starbox observe

| epoch = J2000.0 (ICRS)

| constell = Dorado

| ra = {{RA|05|38|08.407}}

| dec = {{DEC|-69|09|18.98}}

| appmag_v = 15.26{{Cite journal |title=The VLT-FLAMES Tarantula Survey. I. Introduction and observational overview |journal=Astronomy & Astrophysics |last1=Evans |first1=C. J. |last2=Taylor |first2=W. D. |last3=Hénault-Brunet |first3=V. |last4=Sana |first4=H. |last5=De Koter |first5=A. |last6=Simón-Díaz |first6=S. |last7=Carraro |first7=G. |last8=Bagnoli |first8=T. |last9=Bastian |first9=N. |last10=Bestenlehner |first10=J. M. |last11=Bonanos |first11=A. Z. |last12=Bressert |first12=E. |last13=Brott |first13=I. |last14=Campbell |first14=M. A. |last15=Cantiello |first15=M. |last16=Clark |first16=J. S. |last17=Costa |first17=E. |last18=Crowther |first18=P. A. |last19=De Mink |first19=S. E.|author19-link= Selma de Mink |last20=Doran |first20=E. |last21=Dufton |first21=P. L. |last22=Dunstall |first22=P. R. |last23=Friedrich |first23=K. |last24=Garcia |first24=M. |last25=Gieles |first25=M. |last26=Gräfener |first26=G. |last27=Herrero |first27=A. |last28=Howarth |first28=I. D. |last29=Izzard |first29=R. G. |last30=Langer |first30=N. |last31=Lennon |first31=D. J. |last32=Maíz Apellániz |first32=J. |last33=Markova |first33=N. |last34=Najarro |first34=F. |last35=Puls |first35=J. |last36=Ramirez |first36=O. H. |last37=Sabín-Sanjulián |first37=C. |last38=Smartt |first38=S. J. |last39=Stroud |first39=V. E. |last40=van Loon |first40=J. Th. |last41=Vink |first41=J. S. |last42=Walborn |first42=N. R. |display-authors=5 |volume=530 |pages=A108 |date=June 2011 |doi=10.1051/0004-6361/201116782 |bibcode=2011A&A...530A.108E |arxiv=1103.5386|s2cid=54501763 }}

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{{Starbox character

| type = main sequence + black hole

| class = O7V(n)((f)){{cite journal |bibcode=2014A&A...564A..40W |title=The VLT-FLAMES Tarantula Survey. XIV. The O-type stellar content of 30 Doradus |last1=Walborn |first1=N. R. |last2=Sana |first2=H. |last3=Simón-Díaz |first3=S. |last4=Maíz Apellániz |first4=J. |last5=Taylor |first5=W. D. |last6=Evans |first6=C. J. |last7=Markova |first7=N. |last8=Lennon |first8=D. J. |last9=De Koter |first9=A. |journal=Astronomy and Astrophysics |year=2014 |volume=564 |pages=A40 |doi=10.1051/0004-6361/201323082 |arxiv=1402.6969 |s2cid=119302111 }}

| b-v =

| u-b =

| variable = variable

}}

{{Starbox astrometry

| radial_v =

| parallax = −0.0468

| p_error = 0.0244

| parallax_footnote = {{cite Gaia DR3|4657679968549413376}}

| prop_mo_ra = +1.722

| prop_mo_dec = +0.603

| pm_footnote =

| absmag_v =

}}

{{Starbox orbit

| reference =

| period_unitless = 10.4031 days

| eccentricity = 0.017

| k1 = 81.4

| inclination = ≥ 40

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{{Starbox detail

| source =

| component1 = star

| mass = 25

| radius = 10.3

| luminosity = 158,000

| gravity = 3.7

| temperature = 36,000

| metal_fe =

| rotational_velocity = 181

| age_myr = 7.4

| component2 = black hole

| mass2 = 10.1

}}

{{Starbox catalog

| names = {{odlist |2MASS=J05380840-6909190 |TIC=277299822 }}

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{{Starbox reference

| Simbad = VFTS+243

}}

{{Starbox end}}

File:Artist's impression of VFTS 243 in the Tarantula Nebula.jpg

VFTS 243 (2MASS J05380840-6909190) is an O7V type main sequence star that orbits a stellar mass black hole.{{Cite journal |last1=Stevance |first1=H. F. |last2=Ghodla |first2=S. |last3=Richards |first3=S. |last4=Eldridge |first4=J. J. |last5=Briel |first5=M. M. |last6=Tang |first6=P. |title=VFTS 243 as predicted by the BPASS fiducial models |journal=Monthly Notices of the Royal Astronomical Society |year=2023 |volume=520 |issue=3 |pages=4740–4746 |doi=10.1093/mnras/stad362 |doi-access=free |arxiv=2208.02258 }} The black hole is around nine times the mass of the Sun, with the blue star being 25 times the mass of the Sun making the star 200,000 times larger than the black hole. VFTS 243 is located in the Large Magellanic Cloud inside NGC 2070 (the Tarantula Nebula) around 160,000 light years from Earth.{{Cite web |author=Katie Hunt |title='Black hole police' discover dormant black hole outside our galaxy for first time |url=https://www.cnn.com/2022/07/18/world/dormant-black-hole-discovered-scn/index.html |access-date=2022-09-13 |website=CNN|date=18 July 2022 }}{{Cite simbad |title=VFTS 243 |access-date=2022-09-13 }} The binary has an orbital period of 10.4 days.{{Cite journal |last1=Shenar |first1=Tomer |last2=Sana |first2=Hugues |last3=Mahy |first3=Laurent |last4=El-Badry |first4=Kareem |last5=Marchant |first5=Pablo |last6=Langer |first6=Norbert |last7=Hawcroft |first7=Calum |last8=Fabry |first8=Matthias |last9=Sen |first9=Koushik |last10=Almeida |first10=Leonardo A. |last11=Abdul-Masih |first11=Michael |last12=Bodensteiner |first12=Julia |last13=Crowther |first13=Paul A. |last14=Gieles |first14=Mark |last15=Gromadzki |first15=Mariusz |date=2022-07-18 |title=An X-ray-quiet black hole born with a negligible kick in a massive binary within the Large Magellanic Cloud |journal=Nature Astronomy |volume=6 |issue=9 |language=en |pages=1085–1092 |doi=10.1038/s41550-022-01730-y |bibcode=2022NatAs...6.1085S |s2cid=250626810 |issn=2397-3366|arxiv=2207.07675 }}

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