WFRF:(Bourke Stephen 1978)
Sökning: WFRF:(Bourke Stephen 1978) > Caltech-NRAO Stripe...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03921naa a2200409 4500 | |
| 001 | oai:research.chalmers.se:aab7f2bd-0664-422d-9d9f-117e3080bf84 | |
| 003 | SwePub | |
| 008 | 201126s2020 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://research.chalmers.se/publication/5205572 URI |
| 024 | 7 | a https://doi.org/10.3847/1538-4357/abb94b2 DOI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Anderson, M. M.u California Institute of Technology (Caltech)4 aut |
| 245 | 1 0 | a Caltech-NRAO Stripe 82 Survey (CNSS). III. The First Radio-discovered Tidal Disruption Event, CNSS J0019+00 |
| 264 | c 2020-11-09 | |
| 264 | 1 | b American Astronomical Society,c 2020 |
| 520 | a We present the discovery of a nuclear transient with the Caltech-NRAO Stripe 82 Survey (CNSS), a dedicated radio transient survey carried out with the Karl G. Jansky Very Large Array (VLA). This transient, CNSS J001947.3+003527, exhibited a turn-on over a timescale of less than or similar to 1 yr, increasing in flux density at 3 GHz from <0.14 mJy in 2014 February to 4.4 0.1 mJy in 2015 March, reaching a peak luminosity of around 2015 October. The association of CNSS J0019+00 with the nucleus (Gaia and our very-long baseline interferometry positions are consistent to within 1 pc) of a nearby S0 Seyfert galaxy at 77 Mpc, together with the radio spectral evolution, implies that this transient is most likely a tidal disruption event (TDE). Our equipartition analysis indicates the presence of a similar to 15,000 km s(-1) outflow, having energy similar to 10(49) erg. We derive the radial density profile for the circumnuclear material in the host galaxy to be proportional to R-2.5. All of these properties suggest resemblance with radio-detected thermal TDEs like ASASSN-14li and XMMSL1 J0740-85. No significant X-ray or optical emission is detected from CNSS J0019+00, although this may simply be due to the thermal emission being weak during our late-time follow-up observations. From the CNSS survey we have obtained the first unbiased measurement of the rate of radio TDEs, R(>500 mu Jy) of about 2 x 10(-3) deg(-2), or equivalently a volumetric rate of about 10 Gpc(-3) yr(-1). This rate implies that all-sky radio surveys such as the VLA Sky Survey and those planned with ASKAP, will find many tens of radio TDEs over the next few years. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 700 | 1 | a Mooley, K. P.u California Institute of Technology (Caltech),National Radio Astronomy Observatory4 aut |
| 700 | 1 | a Hallinan, G.u California Institute of Technology (Caltech)4 aut |
| 700 | 1 | a Dong, D.u California Institute of Technology (Caltech)4 aut |
| 700 | 1 | a Phinney, E. S.u California Institute of Technology (Caltech)4 aut |
| 700 | 1 | a Horesh, A.u The Hebrew University Of Jerusalem4 aut |
| 700 | 1 | a Bourke, Stephen,d 1978u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)bourke |
| 700 | 1 | a Cenko, S. B.u NASA Goddard Space Flight Center,University of Maryland4 aut |
| 700 | 1 | a Frail, D.u National Radio Astronomy Observatory4 aut |
| 700 | 1 | a Kulkarni, S. R.u California Institute of Technology (Caltech)4 aut |
| 700 | 1 | a Myers, S.u National Radio Astronomy Observatory4 aut |
| 710 | 2 | a California Institute of Technology (Caltech)b National Radio Astronomy Observatory4 org |
| 773 | 0 | t Astrophysical Journald : American Astronomical Societyg 903:2q 903:2x 1538-4357x 0004-637X |
| 856 | 4 | u https://authors.library.caltech.edu/99930/2/Anderson_2020_ApJ_903_116.pdf |
| 856 | 4 8 | u https://research.chalmers.se/publication/520557 |
| 856 | 4 8 | u https://doi.org/10.3847/1538-4357/abb94b |
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