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The Redshift and Nature of AzTEC/COSMOS 1: A Starburst Galaxy at z = 4.6
Astrophysical Journal Letters, 731 (2011), 2; L27. https://doi.org/10.1088/2041-8205/731/2/L27
Smolčić, Vernesa; Capak, P.; Blain, A. W.; Salvato, M.; Morić, I.; Riechers, D. A.; Sheth, K.; Murphy, E.; Masters, D.; Scoville, N. Z.

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Smolčić, V., Capak, P., Blain, A. W., Salvato, M., Morić, I., Riechers, D. A. ... Scoville, N. Z. (2011). The Redshift and Nature of AzTEC/COSMOS 1: A Starburst Galaxy at z = 4.6. Astrophysical Journal Letters, 731. (2). doi: 10.1088/2041-8205/731/2/L27

Smolčić, Vernesa, et al. "The Redshift and Nature of AzTEC/COSMOS 1: A Starburst Galaxy at z = 4.6." Astrophysical Journal Letters, vol. 731, br. 2, 2011. https://doi.org/10.1088/2041-8205/731/2/L27

Smolčić, Vernesa, P. Capak, A. W. Blain, M. Salvato, I. Morić, D. A. Riechers, K. Sheth, E. Murphy, D. Masters i N. Z. Scoville. "The Redshift and Nature of AzTEC/COSMOS 1: A Starburst Galaxy at z = 4.6." Astrophysical Journal Letters 731, br. 2 (2011). https://doi.org/10.1088/2041-8205/731/2/L27

Smolčić, V., et al. (2011) 'The Redshift and Nature of AzTEC/COSMOS 1: A Starburst Galaxy at z = 4.6', Astrophysical Journal Letters, 731(2). doi: 10.1088/2041-8205/731/2/L27

Smolčić V, Capak P, Blain AW, Salvato M, Morić I, Riechers DA, i sur.. The Redshift and Nature of AzTEC/COSMOS 1: A Starburst Galaxy at z = 4.6. Astrophysical Journal Letters [Internet]. 2011. [pristupljeno 16.04.2024.];731(2). doi: 10.1088/2041-8205/731/2/L27

V. Smolčić, et al., "The Redshift and Nature of AzTEC/COSMOS 1: A Starburst Galaxy at z = 4.6", Astrophysical Journal Letters, vol. 731, br. 2, 2011. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:911046. [Citirano: 16.04.2024.]

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Podaci o radu
Naslov (engleski)The Redshift and Nature of AzTEC/COSMOS 1: A Starburst Galaxy at z = 4.6
AutorVernesa Smolčić
AutorP. Capak
AutorA. W. Blain
AutorM. Salvato
AutorI. Morić
AutorD. A. Riechers
AutorK. Sheth
AutorE. Murphy
AutorD. Masters
AutorN. Z. Scoville
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Astronomija i astrofizika
Sažetak (engleski)
Based on broadband/narrowband photometry and Keck DEIMOS spectroscopy, we report a redshift of z = 4.64^(+0.06)_(–0.08) for AzTEC/COSMOS 1, the brightest submillimeter galaxy (SMG) in the AzTEC/COSMOS field. In addition to the COSMOS-survey X-ray to radio data, we report observations of the source with Herschel/PACS (100, 160 μm), CSO/SHARC II (350 μm), and CARMA and PdBI (3 mm). We do not detect CO(5 → 4) line emission in the covered redshift ranges, 4.56-4.76 (PdBI/CARMA) and 4.94-5.02 (CARMA). If the line is within this bandwidth, this sets 3σ upper limits on the gas mass to ≲8 × 10^9 M_☉ and ≲5 × 10^(10) M_☉, respectively (assuming similar conditions as observed in z ~ 2 SMGs). This could be explained by a low CO-excitation in the source. Our analysis of the UV-IR spectral energy distribution of AzTEC 1 shows that it is an extremely young (≲50 Myr), massive (M * ~ 10^(11) M_☉), but compact (≲2 kpc) galaxy, forming stars at a rate of ~1300 M_☉ yr^(–1). Our results imply that AzTEC 1 is forming stars in a "gravitationally bound" regime in which gravity prohibits the formation of a superwind, leading to matter accumulation within the galaxy and further generations of star formation.
Ključne riječi (engleski)
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaAstrophysical Journal Letters
Brojčani podacivol. 731, br. 2, L27
p-ISSN2041-8205
e-ISSN2041-8213
DOIhttps://doi.org/10.1088/2041-8205/731/2/L27
URN:NBNurn:nbn:hr:217:911046
Datum objave publikacije2011
URL dokumentahttps://iopscience.iop.org/article/10.1088/2041-8205/731/2/L27
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Zaštićeno autorskim pravom.
Javna napomena© 2011 American Astronomical Society. Received 2010 December 13; accepted 2011 February 15; published 2011 March 25.
Datum i vrijeme pohrane2019-11-03 18:18:34