In:
Proceedings of the International Astronomical Union, Cambridge University Press (CUP), Vol. 15, No. S352 ( 2019-06), p. 239-240
Abstract:
The ALMA twenty-six arcmin 2 survey of GOODS-S at one millimeter (ASAGAO) is a deep (1 σ ∼ 61 μ Jy/beam) and wide area (26 arcmin 2 ) survey on a contiguous field at 1.2 mm. By combining with archival data, we obtained a deeper map in the same region (1 σ ∼ 30 μ Jy/beam −1 , synthesized beam size 0.59″ × 0.53″), providing the largest sample of sources (25 sources at 5 σ , 45 sources at 4.5 σ ) among ALMA blank-field surveys. The median redshift of the 4.5 σ sources is 2.4. The number counts shows that 52% of the extragalactic background light at 1.2 mm is resolved into discrete sources. We create IR luminosity functions (LFs) at z = 1–3, and constrain the faintest luminosity of the LF at 2 〈 z 〈 3. The LFs are consistent with previous results based on other ALMA and SCUBA-2 observations, which suggests a positive luminosity evolution and negative density evolution.
Type of Medium:
Online Resource
ISSN:
1743-9213
,
1743-9221
DOI:
10.1017/S1743921319009542
Language:
English
Publisher:
Cambridge University Press (CUP)
Publication Date:
2019
detail.hit.zdb_id:
2170724-8
SSG:
16,12
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