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Sökning: onr:"swepub:oai:DiVA.org:su-189426" > The Zwicky Transien...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 05398naa a2200949 4500 | |
| 001 | oai:DiVA.org:su-189426 | |
| 003 | SwePub | |
| 008 | 210122s2020 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1894262 URI |
| 024 | 7 | a https://doi.org/10.3847/1538-4357/abb45c2 DOI |
| 040 | a (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a De, Kishalay4 aut |
| 245 | 1 0 | a The Zwicky Transient Facility Census of the Local Universe. I. Systematic Search for Calcium-rich Gap Transients Reveals Three Related Spectroscopic Subclasses |
| 264 | c 2020-12-11 | |
| 264 | 1 | b American Astronomical Society,c 2020 |
| 338 | a print2 rdacarrier | |
| 520 | a Using the Zwicky Transient Facility alert stream, we are conducting a large spectroscopic campaign to construct a complete, volume-limited sample of transients brighter than 20 mag, and coincident within 100 '' of galaxies in the Census of the Local Universe catalog. We describe the experiment design and spectroscopic completeness from the first 16 months of operations, which have classified 754 supernovae. We present results from a systematic search for calcium-rich gap transients in the sample of 22 low-luminosity (peak absolute magnitude M > -17), hydrogen-poor events found in the experiment. We report the detection of eight new events, and constrain their volumetric rate to greater than or similar to 15% +/- 5% of the SN Ia rate. Combining this sample with 10 previously known events, we find a likely continuum of spectroscopic properties ranging from events with SN Ia-like features (Ca-Ia objects) to those with SN Ib/c-like features (Ca-Ib/c objects) at peak light. Within the Ca-Ib/c events, we find two populations distinguished by their red (g - r approximate to 1.5 mag) or green (g - r approximate to 0.5 mag) colors at the r-band peak, wherein redder events show strong line blanketing features and slower light curves (similar to Ca-Ia objects), weaker He lines, and lower [Ca II]/[O I] in the nebular phase. We find that all together the spectroscopic continuum, volumetric rates, and striking old environments are consistent with the explosive burning of He shells on low-mass white dwarfs. We suggest that Ca-Ia and red Ca-Ib/c objects arise from the double detonation of He shells, while green Ca-Ib/c objects are consistent with low-efficiency burning scenarios like detonations in low-density shells or deflagrations. | |
| 650 | 7 | a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng |
| 653 | a Supernovae | |
| 653 | a Compact objects | |
| 653 | a White dwarf stars | |
| 700 | 1 | a Kasliwal, Mansi M.4 aut |
| 700 | 1 | a Tzanidakis, Anastasios4 aut |
| 700 | 1 | a Fremling, U. Christoffer4 aut |
| 700 | 1 | a Adams, Scott4 aut |
| 700 | 1 | a Aloisi, Robert4 aut |
| 700 | 1 | a Andreoni, Igor4 aut |
| 700 | 1 | a Bagdasaryan, Ashot4 aut |
| 700 | 1 | a Bellm, Eric C.4 aut |
| 700 | 1 | a Bildsten, Lars4 aut |
| 700 | 1 | a Cannella, Christopher4 aut |
| 700 | 1 | a Cook, David O.4 aut |
| 700 | 1 | a Delacroix, Alexandre4 aut |
| 700 | 1 | a Drake, Andrew4 aut |
| 700 | 1 | a Duev, Dmitry4 aut |
| 700 | 1 | a Dugas, Alison4 aut |
| 700 | 1 | a Frederick, Sara4 aut |
| 700 | 1 | a Gal-Yam, Avishay4 aut |
| 700 | 1 | a Goldstein, Daniel4 aut |
| 700 | 1 | a Golkhou, V. Zach4 aut |
| 700 | 1 | a Graham, Matthew J.4 aut |
| 700 | 1 | a Hale, David4 aut |
| 700 | 1 | a Hankins, Matthew4 aut |
| 700 | 1 | a Helou, George4 aut |
| 700 | 1 | a Ho, Anna Y. Q.4 aut |
| 700 | 1 | a Irani, Ido4 aut |
| 700 | 1 | a Jencson, Jacob E.4 aut |
| 700 | 1 | a Kaplan, David L.4 aut |
| 700 | 1 | a Kaye, Stephen4 aut |
| 700 | 1 | a Kulkarni, S. R.4 aut |
| 700 | 1 | a Kupfer, Thomas4 aut |
| 700 | 1 | a Laher, Russ R.4 aut |
| 700 | 1 | a Leadbeater, Robin4 aut |
| 700 | 1 | a Lunnan, Ragnhildu Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)rlunn |
| 700 | 1 | a Masci, Frank J.4 aut |
| 700 | 1 | a Miller, Adam A.4 aut |
| 700 | 1 | a Neill, James D.4 aut |
| 700 | 1 | a Ofek, Eran O.4 aut |
| 700 | 1 | a Perley, Daniel A.4 aut |
| 700 | 1 | a Polin, Abigail4 aut |
| 700 | 1 | a Prince, Thomas A.4 aut |
| 700 | 1 | a Quataert, Eliot4 aut |
| 700 | 1 | a Reiley, Dan4 aut |
| 700 | 1 | a Riddle, Reed L.4 aut |
| 700 | 1 | a Rusholme, Ben4 aut |
| 700 | 1 | a Sharma, Yashvi4 aut |
| 700 | 1 | a Shupe, David L.4 aut |
| 700 | 1 | a Sollerman, Jesperu Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)solle |
| 700 | 1 | a Tartaglia, Leonardou Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)leta1160 |
| 700 | 1 | a Walters, Richard4 aut |
| 700 | 1 | a Yan, Lin4 aut |
| 700 | 1 | a Yao, Yuhan4 aut |
| 710 | 2 | a Stockholms universitetb Institutionen för astronomi4 org |
| 773 | 0 | t Astrophysical Journald : American Astronomical Societyg 905:1q 905:1x 0004-637Xx 1538-4357 |
| 856 | 4 | u https://iopscience.iop.org/article/10.3847/1538-4357/abb45c/pdf |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-189426 |
| 856 | 4 8 | u https://doi.org/10.3847/1538-4357/abb45c |
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