The Extended [C <sc>ii</sc>] under Construction? Observation of the Brightest High-<i>z</i> Lensed Star-forming Galaxy at <i>z</i>=6.2

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dc.contributor.authorFudamoto, Yoshinobu
dc.contributor.authorInoue, Akio K.
dc.contributor.authorCoe, Dan
dc.contributor.authorWelch, Brian
dc.contributor.authorAcebron, Ana
dc.contributor.authorRicotti, Massimo
dc.contributor.authorMandelker, Nir
dc.contributor.authorWindhorst, Rogier A.
dc.contributor.authorXu, Xinfeng
dc.contributor.authorSugahara, Yuma
dc.contributor.authorBauer, Franz E.
dc.contributor.authorBradac, Marusa
dc.contributor.authorBradley, Larry D.
dc.contributor.authorDiego, Jose M.
dc.contributor.authorFlorian, Michael
dc.contributor.authorFrye, Brenda
dc.contributor.authorFujimoto, Seiji
dc.contributor.authorHashimoto, Takuya
dc.contributor.authorHenry, Alaina
dc.contributor.authorMahler, Guillaume
dc.contributor.authorOesch, Pascal A.
dc.contributor.authorRavindranath, Swara
dc.contributor.authorRigby, Jane
dc.contributor.authorSharon, Keren
dc.contributor.authorStrait, Victoria
dc.contributor.authorTamura, Yoichi
dc.contributor.authorTrenti, Michele
dc.contributor.authorVanzella, Eros
dc.contributor.authorZackrisson, Erik
dc.contributor.authorZitrin, Adi
dc.date.accessioned2025-01-20T17:09:08Z
dc.date.available2025-01-20T17:09:08Z
dc.date.issued2024
dc.description.abstractWe present results of [C ii] 158 mu m emission line observations, and report the spectroscopic redshift confirmation of a strongly lensed (mu similar to 20) star-forming galaxy, MACS0308-zD1 at z = 6.2078 +/- 0.0002. The [C ii] emission line is detected with a signal-to-noise ratio >6 within the rest-frame UV-bright clump of the lensed galaxy (zD1.1) and exhibits multiple velocity components; the narrow [C ii] has a velocity full width half maximum (FWHM) of 110 +/- 20 km s(-1), while broader [C ii] is seen with an FWHM of 230 +/- 50 km s(-1). The broader [C ii] component is blueshifted (-80 +/- 20 km s(-1)) with respect to the narrow [C ii] component, and has a morphology that extends beyond the UV-bright clump. We find that, while the narrow [C ii] emission is most likely associated with zD1.1, the broader component is possibly associated with a physically distinct gas component from zD1.1 (e.g., outflowing or inflowing gas). Based on the nondetection of lambda(158 mu m) dust continuum, we find that MACS0308-zD1's star formation activity occurs in a dust-free environment indicated by a strong upper limit of infrared luminosity less than or similar to 9 <bold>x</bold> 10(8)L(circle dot). Targeting this strongly lensed faint galaxy for follow-up Atacama Large Millimeter/submillimeter Array and JWST observations will be crucial to characterize the details of typical galaxy growth in the early Universe.
dc.fuente.origenWOS
dc.identifier.doi10.3847/1538-4357/ad0f95
dc.identifier.eissn1538-4357
dc.identifier.issn0004-637X
dc.identifier.urihttps://doi.org/10.3847/1538-4357/ad0f95
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/91016
dc.identifier.wosidWOS:001158868500001
dc.issue.numero1
dc.language.isoen
dc.revistaAstrophysical journal
dc.rightsacceso restringido
dc.titleThe Extended [C <sc>ii</sc>] under Construction? Observation of the Brightest High-<i>z</i> Lensed Star-forming Galaxy at <i>z</i>=6.2
dc.typeartículo
dc.volumen961
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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