J/MNRAS/411/102 AzTEC/ASTE 1.1mm observations in the ADF-S (Hatsukade+ 2011)
AzTEC/ASTE 1.1-mm survey of the AKARI Deep Field South: source catalogue and number counts. Hatsukade B., Kohno K., Aretxaga I., Austermann J.E., Ezawa H., Hughes D.H., Ikarashi S., Iono D., Kawabe R., Khan S., Matsuo H., Matsuura S., Nakanishi K., Oshima T., Perera T., Scott K.S., Shirahata M., Takeuchi T.T., Tamura Y., Tanaka K., Tosaki T., Wilson G.W., Yun M.S. <Mon. Not. R. Astron. Soc., 411, 102-116 (2011)> =2011MNRAS.411..102H (SIMBAD/NED BibCode)
ADC_Keywords: Surveys ; Millimetric/submm sources Keywords: galaxies: evolution - galaxies: formation - galaxies: high-redshift - galaxies: starburst Abstract: We present results of a 1.1-mm deep survey of the AKARI Deep Field South (ADF-S) with AzTEC mounted on the Atacama Submillimetre Telescope Experiment (ASTE). We obtained a map of 0.25-deg2 area with an rms noise level of 0.32-0.71mJy. This is one of the deepest and widest maps thus far at millimetre and submillimetre wavelengths. We uncovered 198 sources with a significance of 3.5σ-15.6σ, providing the largest catalogue of 1.1-mm sources in a contiguous region. Most of the sources are not detected in the far-infrared bands of the AKARI satellite, suggesting that they are mostly at z≥1.5 given the detection limits. We constructed differential and cumulative number counts in the ADF-S, the Subaru/XMM-Newton Deep Field and the SSA 22 field surveyed by AzTEC/ASTE, which provide currently the tightest constraints on the faint end. Description: The centre region of the ADF-S was observed with AzTEC on the ASTE. The observations were made from 2007 September 16 to October 14 and from 2008 August 4 to December 21. The operations were carried out remotely from the ASTE operation rooms in San Pedro de Atacama, Chile, and in Mitaka, Japan, through the network observation system N-COSMOS3 developed by the National Astronomical Observatory of Japan (NAOJ). File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 90 198 AzTEC/ASTE ADF-S 3.5σ source catalogue.
See also: J/MNRAS/385/2225 : AzTEC millimetre survey of COSMOS field (Scott+, 2008) J/MNRAS/405/2260 : GOODS-S field AzTEC/AST Deep 1.1mm imaging (Scott+, 2010) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 5 A5 --- --- [AzTEC] 7- 26 A20 --- AzTEC AzTEC source name (JHHMMSS.ss+DDMMSS.ss) 28- 37 A10 --- --- [ADFS-AzTEC] 38- 40 I3 --- ADFS Identification number (1) 42- 43 I2 h RAh Right ascension (
J2000) 45- 46 I2 min RAm Right ascension ( J2000) 48- 52 F5.2 s RAs Right ascension ( J2000) 54 A1 --- DE- Declination sign ( J2000) 55- 56 I2 deg DEd Declination ( J2000) 58- 59 I2 arcmin DEm Declination ( J2000) 61- 65 F5.2 arcsec DEs Declination ( J2000) 67- 69 F3.1 mJy Sobs Observed flux density at 1.1mm ( 270GHz) 71- 73 F3.1 mJy e_Sobs rms uncertainty on Sobs 75- 77 F3.1 mJy Sdeb Deboosted flux density at 1.1mm ( 270GHz) 79- 81 F3.1 mJy E_Sdeb Error on Sdeb at 68% level (upper value) 83- 85 F3.1 mJy e_Sdeb Error on Sdeb at 68% level (lower value) 87- 90 F4.1 --- S/N Signal-to-noise ratio
Note (1): AzTEC1-169 are detected in the 50% coverage region and AzTEC170-198 are detected in the region with a coverage of 30-50%.
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 20-Sep-2011
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