Simulating the formation of massive protostars - I, Radioactive feedback and accretion disks
We present radiation hydrodynamic simulations of collapsing protostellar cores with initial masses of 30, 100, and 200 M ⊙. We follow their gravitational collapse and the formation of a massive protostar and protostellar accretion disk. We employ a new hybrid radiative feedback method blending raytr...
Gespeichert in:
| Hauptverfasser: | , , , , |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2016 May 20
|
| In: |
The astrophysical journal
Year: 2016, Jahrgang: 823, Heft: 1 |
| ISSN: | 1538-4357 |
| DOI: | 10.3847/0004-637X/823/1/28 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3847/0004-637X/823/1/28
|
| Verfasserangaben: | Mikhail Klassen, Ralph E. Pudritz, Rolf Kuiper, Thomas Peters, and Robi Banerjee |
MARC
| LEADER | 00000caa a2200000 c 4500 | ||
|---|---|---|---|
| 001 | 1698117183 | ||
| 003 | DE-627 | ||
| 005 | 20220818083611.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 200513s2016 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.3847/0004-637X/823/1/28 |2 doi | |
| 035 | |a (DE-627)1698117183 | ||
| 035 | |a (DE-599)KXP1698117183 | ||
| 035 | |a (OCoLC)1341323650 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rda | ||
| 041 | |a eng | ||
| 084 | |a 29 |2 sdnb | ||
| 100 | 1 | |a Klassen, Mikhail |e VerfasserIn |0 (DE-588)117705129X |0 (DE-627)1048335836 |0 (DE-576)517264870 |4 aut | |
| 245 | 1 | 0 | |a Simulating the formation of massive protostars - I, Radioactive feedback and accretion disks |c Mikhail Klassen, Ralph E. Pudritz, Rolf Kuiper, Thomas Peters, and Robi Banerjee |
| 264 | 1 | |c 2016 May 20 | |
| 300 | |b Illustrationen | ||
| 300 | |a 23 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Gesehen am 13.05.2020 | ||
| 520 | |a We present radiation hydrodynamic simulations of collapsing protostellar cores with initial masses of 30, 100, and 200 M ⊙. We follow their gravitational collapse and the formation of a massive protostar and protostellar accretion disk. We employ a new hybrid radiative feedback method blending raytracing techniques with flux-limited diffusion for a more accurate treatment of the temperature and radiative force. In each case, the disk that forms becomes Toomre-unstable and develops spiral arms. This occurs between 0.35 and 0.55 freefall times and is accompanied by an increase in the accretion rate by a factor of 2-10. Although the disk becomes unstable, no other stars are formed. In the case of our 100 and 200 M ⊙ simulations, the star becomes highly super-Eddington and begins to drive bipolar outflow cavities that expand outwards. These radiatively driven bubbles appear stable, and appear to be channeling gas back onto the protostellar accretion disk. Accretion proceeds strongly through the disk. After 81.4 kyr of evolution, our 30 M ⊙ simulation shows a star with a mass of 5.48 M ⊙ and a disk of mass 3.3 M ⊙, while our 100 M ⊙ simulation forms a 28.8 M ⊙ mass star with a 15.8 M ⊙ disk over the course of 41.6 kyr, and our 200 M ⊙ simulation forms a 43.7 M ⊙ star with an 18 M ⊙ disk in 21.9 kyr. In the absence of magnetic fields or other forms of feedback, the masses of the stars in our simulation do not appear to be limited by their own luminosities. | ||
| 700 | 1 | |a Pudritz, Ralph E. |e VerfasserIn |0 (DE-588)108944205X |0 (DE-627)853256470 |0 (DE-576)45960158X |4 aut | |
| 700 | 1 | |a Kuiper, Rolf |e VerfasserIn |0 (DE-588)140365885 |0 (DE-627)618253653 |0 (DE-576)316607851 |4 aut | |
| 700 | 1 | |a Peters, Thomas |e VerfasserIn |0 (DE-588)140266992 |0 (DE-627)61697115X |0 (DE-576)316166391 |4 aut | |
| 700 | 1 | |a Banerjee, Robi |d 1967- |e VerfasserIn |0 (DE-588)124633536 |0 (DE-627)363458387 |0 (DE-576)294422633 |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t The astrophysical journal |d London : Institute of Physics Publ., 1995 |g 823(2016,1) Artikel-Nummer 28, 23 Seiten |h Online-Ressource |w (DE-627)269019219 |w (DE-600)1473835-1 |w (DE-576)077662733 |x 1538-4357 |7 nnas |a Simulating the formation of massive protostars - I, Radioactive feedback and accretion disks |
| 773 | 1 | 8 | |g volume:823 |g year:2016 |g number:1 |g extent:23 |a Simulating the formation of massive protostars - I, Radioactive feedback and accretion disks |
| 856 | 4 | 0 | |u https://doi.org/10.3847/0004-637X/823/1/28 |x Verlag |x Resolving-System |z lizenzpflichtig |3 Volltext |
| 951 | |a AR | ||
| 992 | |a 20200513 | ||
| 993 | |a Article | ||
| 994 | |a 2016 | ||
| 998 | |g 108944205X |a Pudritz, Ralph E. |m 108944205X:Pudritz, Ralph E. |d 700000 |d 714000 |d 714200 |e 700000PP108944205X |e 714000PP108944205X |e 714200PP108944205X |k 0/700000/ |k 1/700000/714000/ |k 2/700000/714000/714200/ |p 2 | ||
| 999 | |a KXP-PPN1698117183 |e 3666245331 | ||
| BIB | |a Y | ||
| SER | |a journal | ||
| JSO | |a {"language":["eng"],"recId":"1698117183","note":["Gesehen am 13.05.2020"],"type":{"media":"Online-Ressource","bibl":"article-journal"},"title":[{"title_sort":"Simulating the formation of massive protostars - I, Radioactive feedback and accretion disks","title":"Simulating the formation of massive protostars - I, Radioactive feedback and accretion disks"}],"person":[{"display":"Klassen, Mikhail","roleDisplay":"VerfasserIn","role":"aut","family":"Klassen","given":"Mikhail"},{"given":"Ralph E.","family":"Pudritz","role":"aut","display":"Pudritz, Ralph E.","roleDisplay":"VerfasserIn"},{"role":"aut","roleDisplay":"VerfasserIn","display":"Kuiper, Rolf","given":"Rolf","family":"Kuiper"},{"role":"aut","display":"Peters, Thomas","roleDisplay":"VerfasserIn","given":"Thomas","family":"Peters"},{"given":"Robi","family":"Banerjee","role":"aut","roleDisplay":"VerfasserIn","display":"Banerjee, Robi"}],"relHost":[{"title":[{"title_sort":"astrophysical journal","subtitle":"an international review of spectroscopy and astronomical physics","title":"The astrophysical journal"}],"language":["eng"],"recId":"269019219","disp":"Simulating the formation of massive protostars - I, Radioactive feedback and accretion disksThe astrophysical journal","note":["Gesehen am 18.01.2022","Fortsetzung der Druck-Ausgabe"],"type":{"media":"Online-Ressource","bibl":"periodical"},"part":{"year":"2016","issue":"1","volume":"823","text":"823(2016,1) Artikel-Nummer 28, 23 Seiten","extent":"23"},"titleAlt":[{"title":"The astrophysical journal / 1"},{"title":"ApJ"}],"pubHistory":["Vol. 447 (1995) [?]-"],"name":{"displayForm":["publ. in coll. with the American Astronomical Society. S. Chandrasekhar, managing ed"]},"id":{"issn":["1538-4357"],"zdb":["1473835-1"],"eki":["269019219"]},"origin":[{"publisher":"Institute of Physics Publ. ; Univ. of Chicago Press","dateIssuedDisp":"[1995?]-","publisherPlace":"London ; Chicago, Ill. [u.a.]"}],"physDesc":[{"extent":"Online-Ressource"}]}],"physDesc":[{"extent":"23 S.","noteIll":"Illustrationen"}],"id":{"eki":["1698117183"],"doi":["10.3847/0004-637X/823/1/28"]},"origin":[{"dateIssuedKey":"2016","dateIssuedDisp":"2016 May 20"}],"name":{"displayForm":["Mikhail Klassen, Ralph E. Pudritz, Rolf Kuiper, Thomas Peters, and Robi Banerjee"]}} | ||
| SRT | |a KLASSENMIKSIMULATING2016 | ||