13 CO/C 18 O gradients across the disks of nearby spiral galaxies
We use the IRAM Large Program EMPIRE and new high-resolution ALMA data to measure 13 CO(1-0)/C 18 O(1-0) intensity ratios across nine nearby spiral galaxies. These isotopologues of 12 CO are typically optically thin across most of the area in galaxy disks, and this ratio allows us to gauge their rel...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article (Journal) |
| Language: | English |
| Published: |
2017 February 17
|
| In: |
The astrophysical journal. Part 2, Letters
Year: 2017, Volume: 836, Issue: 2, Pages: 6 |
| ISSN: | 2041-8213 |
| DOI: | 10.3847/2041-8213/836/2/L29 |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.3847/2041-8213/836/2/L29
|
| Author Notes: | María J. Jiménez-Donaire, Diane Cormier, Frank Bigiel, Adam K. Leroy, Molly Gallagher, Mark R. Krumholz, Antonio Usero, Annie Hughes, Carsten Kramer, David Meier, Eric Murphy, Jérôme Pety, Eva Schinnerer, Andreas Schruba, Karl Schuster, Kazimierz Sliwa, and Neven Tomicic |
MARC
| LEADER | 00000caa a2200000 c 4500 | ||
|---|---|---|---|
| 001 | 1564763390 | ||
| 003 | DE-627 | ||
| 005 | 20220814011206.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 171025s2017 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.3847/2041-8213/836/2/L29 |2 doi | |
| 035 | |a (DE-627)1564763390 | ||
| 035 | |a (DE-576)494763396 | ||
| 035 | |a (DE-599)BSZ494763396 | ||
| 035 | |a (OCoLC)1340981171 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rda | ||
| 041 | |a eng | ||
| 084 | |a 29 |2 sdnb | ||
| 100 | 1 | |a Jiménez-Donaire, Maria Jesús |e VerfasserIn |0 (DE-588)1142139867 |0 (DE-627)1001191269 |0 (DE-576)494659793 |4 aut | |
| 245 | 1 | 0 | |a 13 CO/C 18 O gradients across the disks of nearby spiral galaxies |c María J. Jiménez-Donaire, Diane Cormier, Frank Bigiel, Adam K. Leroy, Molly Gallagher, Mark R. Krumholz, Antonio Usero, Annie Hughes, Carsten Kramer, David Meier, Eric Murphy, Jérôme Pety, Eva Schinnerer, Andreas Schruba, Karl Schuster, Kazimierz Sliwa, and Neven Tomicic |
| 264 | 1 | |c 2017 February 17 | |
| 300 | |a L29 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Im Titel sind die Zahlen "13" und "18" hochgestellt | ||
| 500 | |a 13CO/C18O gradients across the disks of nearby spiral galaxies | ||
| 500 | |a Gesehen am 25.10.2017 | ||
| 520 | |a We use the IRAM Large Program EMPIRE and new high-resolution ALMA data to measure 13 CO(1-0)/C 18 O(1-0) intensity ratios across nine nearby spiral galaxies. These isotopologues of 12 CO are typically optically thin across most of the area in galaxy disks, and this ratio allows us to gauge their relative abundance due to chemistry or stellar nucleosynthesis effects. Resolved 13 CO/C 18 O gradients across normal galaxies have been rare due to the faintness of these lines. We find a mean 13 CO/C 18 O ratio of 6.0 ± 0.9 for the central regions of our galaxies. This agrees well with results in the Milky Way, but differs from results for starburst galaxies (3.4 ± 0.9) and ultraluminous infrared galaxies (1.1 ± 0.4). In our sample, the 13 CO/C 18 O ratio consistently increases with increasing galactocentric radius and decreases with increasing star formation rate surface density. These trends could be explained if the isotopic abundances are altered by fractionation; the sense of the trends also agrees with those expected for carbon and oxygen isotopic abundance variations due to selective enrichment by massive stars. | ||
| 700 | 1 | |a Cormier, Diane |e VerfasserIn |0 (DE-588)1068245999 |0 (DE-627)819837210 |0 (DE-576)427399904 |4 aut | |
| 700 | 1 | |a Bigiel, Frank |e VerfasserIn |0 (DE-588)135883024 |0 (DE-627)572477090 |0 (DE-576)300698720 |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t The astrophysical journal. Part 2, Letters |d London : Institute of Physics Publ., 1995 |g 836(2017,2) Artikel-Nummer L29, 6 Seiten |h Online-Ressource |w (DE-627)312189028 |w (DE-600)2006858-X |w (DE-576)090890876 |x 2041-8213 |7 nnas |a 13 CO/C 18 O gradients across the disks of nearby spiral galaxies |
| 773 | 1 | 8 | |g volume:836 |g year:2017 |g number:2 |g pages:6 |g extent:L29 |a 13 CO/C 18 O gradients across the disks of nearby spiral galaxies |
| 856 | 4 | 0 | |u http://dx.doi.org/10.3847/2041-8213/836/2/L29 |x Verlag |x Resolving-System |3 Volltext |
| 951 | |a AR | ||
| 992 | |a 20171025 | ||
| 993 | |a Article | ||
| 994 | |a 2017 | ||
| 998 | |g 135883024 |a Bigiel, Frank |m 135883024:Bigiel, Frank |d 700000 |d 714000 |d 714200 |e 700000PB135883024 |e 714000PB135883024 |e 714200PB135883024 |k 0/700000/ |k 1/700000/714000/ |k 2/700000/714000/714200/ |p 3 | ||
| 998 | |g 1068245999 |a Cormier, Diane |m 1068245999:Cormier, Diane |d 700000 |d 714000 |d 714200 |e 700000PC1068245999 |e 714000PC1068245999 |e 714200PC1068245999 |k 0/700000/ |k 1/700000/714000/ |k 2/700000/714000/714200/ |p 2 | ||
| 998 | |g 1142139867 |a Jiménez-Donaire, Maria Jesús |m 1142139867:Jiménez-Donaire, Maria Jesús |d 700000 |d 714000 |d 714200 |e 700000PJ1142139867 |e 714000PJ1142139867 |e 714200PJ1142139867 |k 0/700000/ |k 1/700000/714000/ |k 2/700000/714000/714200/ |p 1 |x j | ||
| 999 | |a KXP-PPN1564763390 |e 2986037356 | ||
| BIB | |a Y | ||
| SER | |a journal | ||
| JSO | |a {"physDesc":[{"extent":"L29 S."}],"id":{"eki":["1564763390"],"doi":["10.3847/2041-8213/836/2/L29"]},"type":{"media":"Online-Ressource","bibl":"article-journal"},"title":[{"title_sort":"13 CO/C 18 O gradients across the disks of nearby spiral galaxies","title":"13 CO/C 18 O gradients across the disks of nearby spiral galaxies"}],"relHost":[{"part":{"volume":"836","year":"2017","extent":"L29","pages":"6","issue":"2","text":"836(2017,2) Artikel-Nummer L29, 6 Seiten"},"pubHistory":["Nachgewiesen 447.1995 -"],"type":{"media":"Online-Ressource","bibl":"periodical"},"id":{"eki":["312189028"],"zdb":["2006858-X"],"issn":["2041-8213"]},"origin":[{"dateIssuedKey":"1995","publisherPlace":"London ; Chicago, Ill. [u.a.]","publisher":"Institute of Physics Publ. ; Univ. of Chicago Press","dateIssuedDisp":"1995-"}],"recId":"312189028","titleAlt":[{"title":"The astrophysical journal / 2"},{"title":"ApJL"}],"title":[{"title":"The astrophysical journal","title_sort":"astrophysical journal","partname":"Letters"}],"physDesc":[{"extent":"Online-Ressource"}],"language":["eng"],"disp":"13 CO/C 18 O gradients across the disks of nearby spiral galaxiesThe astrophysical journal. Part 2, Letters","note":["Fortsetzung der Druck-Ausgabe","Frühere Jahrgänge online nicht mehr verfügbar","Gesehen am 18.01.2022"]}],"person":[{"role":"aut","display":"Jiménez-Donaire, Maria Jesús","given":"Maria Jesús","family":"Jiménez-Donaire"},{"family":"Cormier","given":"Diane","display":"Cormier, Diane","role":"aut"},{"role":"aut","display":"Bigiel, Frank","given":"Frank","family":"Bigiel"}],"language":["eng"],"origin":[{"dateIssuedDisp":"2017 February 17","dateIssuedKey":"2017"}],"recId":"1564763390","name":{"displayForm":["María J. Jiménez-Donaire, Diane Cormier, Frank Bigiel, Adam K. Leroy, Molly Gallagher, Mark R. Krumholz, Antonio Usero, Annie Hughes, Carsten Kramer, David Meier, Eric Murphy, Jérôme Pety, Eva Schinnerer, Andreas Schruba, Karl Schuster, Kazimierz Sliwa, and Neven Tomicic"]},"note":["Im Titel sind die Zahlen \"13\" und \"18\" hochgestellt","13CO/C18O gradients across the disks of nearby spiral galaxies","Gesehen am 25.10.2017"]} | ||
| SRT | |a JIMENEZDON13COC18OGR2017 | ||