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The ALMA REBELS survey : dust continuum detections at z > 6.5

Hanae Inami, Hiddo S B Algera, Sander Schouws, Laura Sommovigo, Rychard Bouwens, Renske Smit, Mauro Stefanon, Rebecca A A Bowler, Ryan Endsley, Andrea Ferrara, et al.
(2022) MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 515(3). p.3126-3143
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Abstract
We report 18 dust continuum detections (>= 3.3 sigma) at similar to 88 and 158 mu m out of 49 ultraviolet (UV)-bright galaxies (M-UV < -21.3 mag) at z > 6.5, observed by the Cycle-7 Atacama Large Millimeter/submillimeter Array (ALMA) Large Program, Reionization-Era Bright Emission Line Survey (REBELS) and its pilot programs. This has more than tripled the number of dust continuum detections known at z > 6.5. Out of these 18 detections, 12 are reported for the first time as part of REBELS. In addition, 15 of the dust continuum detected galaxies also show a [C II](158 mu m) emission line, providing us with accurate redshifts. We anticipate more line emission detections from six targets (including three continuum detected targets) where observations are still ongoing. We estimate that all of the sources have an infrared (IR) luminosity (L IR) in a range of 3-8 x10(11) L-circle dot. except for one with L-IR = 1.5(-0.5)(+0.8) x10(12) L-circle dot. Their fraction of obscured star formation is significant at greater than or similar to 50 per cent, despite being UV-selected galaxies. Some of the dust continuum detected galaxies show spatial offsets (similar to 0.5-1.5 arcsec) between the rest-UV and far-IR emission peaks. These separations could imply spatially decoupled phases of obscured and unobscured star formation, but a higher spatial resolution observation is required to confirm this. REBELS offers the best available statistical constraints on obscured star formation in UV-luminous galaxies at z > 6.5.
Keywords
Space and Planetary Science, Astronomy and Astrophysics, methods: observational, galaxies: evolution, galaxies: formation, galaxies: high-redshift, galaxies: ISM, infrared: galaxies, INFRARED LUMINOSITY FUNCTIONS, OBSCURED STAR-FORMATION, ULTRA DEEP FIELD, SPECTROSCOPIC SURVEY, GALAXIES, REDSHIFT, HUBBLE, REIONIZATION, EMISSION, STELLAR

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MLA
Inami, Hanae, et al. “The ALMA REBELS Survey : Dust Continuum Detections at z > 6.5.” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 515, no. 3, 2022, pp. 3126–43, doi:10.1093/mnras/stac1779.
APA
Inami, H., Algera, H. S. B., Schouws, S., Sommovigo, L., Bouwens, R., Smit, R., … van der Werf, P. (2022). The ALMA REBELS survey : dust continuum detections at z > 6.5. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 515(3), 3126–3143. https://doi.org/10.1093/mnras/stac1779
Chicago author-date
Inami, Hanae, Hiddo S B Algera, Sander Schouws, Laura Sommovigo, Rychard Bouwens, Renske Smit, Mauro Stefanon, et al. 2022. “The ALMA REBELS Survey : Dust Continuum Detections at z > 6.5.” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 515 (3): 3126–43. https://doi.org/10.1093/mnras/stac1779.
Chicago author-date (all authors)
Inami, Hanae, Hiddo S B Algera, Sander Schouws, Laura Sommovigo, Rychard Bouwens, Renske Smit, Mauro Stefanon, Rebecca A A Bowler, Ryan Endsley, Andrea Ferrara, Pascal Oesch, Daniel Stark, Manuel Aravena, Laia Barrufet, Elisabete da Cunha, Pratika Dayal, Ilse De Looze, Yoshinobu Fudamoto, Valentino Gonzalez, Luca Graziani, Jacqueline A Hodge, Alexander P S Hygate, Themiya Nanayakkara, Andrea Pallottini, Dominik A Riechers, Raffaella Schneider, Michael Topping, and Paul van der Werf. 2022. “The ALMA REBELS Survey : Dust Continuum Detections at z > 6.5.” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 515 (3): 3126–3143. doi:10.1093/mnras/stac1779.
Vancouver
1.
Inami H, Algera HSB, Schouws S, Sommovigo L, Bouwens R, Smit R, et al. The ALMA REBELS survey : dust continuum detections at z > 6.5. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 2022;515(3):3126–43.
IEEE
[1]
H. Inami et al., “The ALMA REBELS survey : dust continuum detections at z > 6.5,” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 515, no. 3, pp. 3126–3143, 2022.
@article{8765173,
  abstract     = {{We report 18 dust continuum detections (>= 3.3 sigma) at similar to 88 and 158 mu m out of 49 ultraviolet (UV)-bright galaxies (M-UV < -21.3 mag) at z > 6.5, observed by the Cycle-7 Atacama Large Millimeter/submillimeter Array (ALMA) Large Program, Reionization-Era Bright Emission Line Survey (REBELS) and its pilot programs. This has more than tripled the number of dust continuum detections known at z > 6.5. Out of these 18 detections, 12 are reported for the first time as part of REBELS. In addition, 15 of the dust continuum detected galaxies also show a [C II](158 mu m) emission line, providing us with accurate redshifts. We anticipate more line emission detections from six targets (including three continuum detected targets) where observations are still ongoing. We estimate that all of the sources have an infrared (IR) luminosity (L IR) in a range of 3-8 x10(11) L-circle dot. except for one with L-IR = 1.5(-0.5)(+0.8) x10(12) L-circle dot. Their fraction of obscured star formation is significant at greater than or similar to 50 per cent, despite being UV-selected galaxies. Some of the dust continuum detected galaxies show spatial offsets (similar to 0.5-1.5 arcsec) between the rest-UV and far-IR emission peaks. These separations could imply spatially decoupled phases of obscured and unobscured star formation, but a higher spatial resolution observation is required to confirm this. REBELS offers the best available statistical constraints on obscured star formation in UV-luminous galaxies at z > 6.5.}},
  author       = {{Inami, Hanae and Algera, Hiddo S B and Schouws, Sander and Sommovigo, Laura and Bouwens, Rychard and Smit, Renske and Stefanon, Mauro and Bowler, Rebecca A A and Endsley, Ryan and Ferrara, Andrea and Oesch, Pascal and Stark, Daniel and Aravena, Manuel and Barrufet, Laia and da Cunha, Elisabete and Dayal, Pratika and De Looze, Ilse and Fudamoto, Yoshinobu and Gonzalez, Valentino and Graziani, Luca and Hodge, Jacqueline A and Hygate, Alexander P S and Nanayakkara, Themiya and Pallottini, Andrea and Riechers, Dominik A and Schneider, Raffaella and Topping, Michael and van der Werf, Paul}},
  issn         = {{0035-8711}},
  journal      = {{MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY}},
  keywords     = {{Space and Planetary Science,Astronomy and Astrophysics,methods: observational,galaxies: evolution,galaxies: formation,galaxies: high-redshift,galaxies: ISM,infrared: galaxies,INFRARED LUMINOSITY FUNCTIONS,OBSCURED STAR-FORMATION,ULTRA DEEP FIELD,SPECTROSCOPIC SURVEY,GALAXIES,REDSHIFT,HUBBLE,REIONIZATION,EMISSION,STELLAR}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{3126--3143}},
  title        = {{The ALMA REBELS survey : dust continuum detections at z > 6.5}},
  url          = {{http://doi.org/10.1093/mnras/stac1779}},
  volume       = {{515}},
  year         = {{2022}},
}
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