J/MNRAS/372/741 SXDF 100{mu}Jy catalogue (Simpson+, 2006) ================================================================================ Radio imaging of the Subaru/XMM-Newton Deep Field. I. The 100-{mu}Jy catalogue, optical identifications, and the nature of the faint radio source population. Simpson C., Martinez-Sansigre A., Rawlings S., Ivison R., Akiyama M., Sekiguchi K., Takata T., Ueda Y., Watson M. =2006MNRAS.372..741S ================================================================================ ADC_Keywords: Surveys ; Radio sources ; Active gal. nuclei ; Redshifts Keywords: catalogues - surveys - galaxies: active - radio continuum: galaxies Abstract: We describe deep radio imaging at 1.4GHz of the 1.3-deg^2^ Subaru/XMM-Newton Deep Field (SXDF), made with the Very Large Array in B and C configurations. We present a radio map of the entire field, and a catalogue of 505 sources covering 0.8deg^2^ to a peak flux density limit of 100uJy. Robust optical identifications are provided for 90 per cent of the sources, and suggested identifications are presented for all but 14 (of which seven are optically blank, and seven are close to bright contaminating objects). We show that the optical properties of the radio sources do not change with flux density, suggesting that active galactic nuclei (AGN) continue to contribute significantly at faint flux densities. We test this assertion by cross-correlating our radio catalogue with the X-ray source catalogue and conclude that radio-quiet AGN become a significant population at flux densities below 300uJy, and may dominate the population responsible for the flattening of the radio source counts if a significant fraction of them are Compton-thick. Description: The SXDF was observed with the National Radio Astronomy Observatory's Very Large Array (VLA) in B-array. Three test observations of pointings 1, 4 and 6 were taken on 2001 May 17, and the rest of the data were obtained in 13 runs, each lasting 4.5h, between 2002 August 10 and September 9. All 14 pointings were re-observed in C-array on 2003 January 15 to provide additional information on larger angular scales. File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table3.dat 169 512 The full 100 microJy catalogue -------------------------------------------------------------------------------- See also: J/ApJ/634/861 : Old passively evolving galaxies at z=1 in SXDF (Yamada+, 2005) Byte-by-byte Description of file: table3.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 4 I4 --- Seq Sequential number 6- 8 A3 --- --- [VLA] 10- 22 A13 --- VLA VLA designation (JHHMMSS-DDMMm), [SMR2006] VLA JHHMMSS+DDMMm in Simbad 24 I1 h RAh Right ascension (J2000) 26- 27 I2 min RAm Right ascension (J2000) 29- 33 F5.2 s RAs Right ascension (J2000) 35 A1 --- DE- Declination sign (J2000) 36 I1 deg DEd Declination (J2000) 38- 39 I2 arcmin DEm Declination (J2000) 41- 45 F5.2 arcsec DEs Declination (J2000) 47- 53 F7.1 uJy S1.4GHz Flux density at 1.4GHz 55- 59 F5.1 uJy e_S1.4GHz rms uncertainty on S1.4GHz 61- 67 F7.4 --- Rel ? Reliability of the optical identification 68 A1 --- n_Rel [ABC-] Note when no reliability value (1) 70- 84 A15 --- Com Comments on identification 85- 95 A11 ---- optID Catalog ID 97- 98 I2 h RAo.h Optical Right ascension (J2000) 100-101 I2 min RAo.m Optical Right ascension (J2000) 103-108 F6.3 s RAo.s Optical Right ascension (J2000) 110 A1 --- DEo.- Optical Declination sign (J2000) 111-112 I2 deg DEo.d Optical Declination (J2000) 114-115 I2 arcmin DEo.m Optical Declination (J2000) 117-121 F5.2 arcsec DEo.s Optical Declination (J2000) 124-128 F5.3 --- z ? Spectroscopic redshift 129 A1 --- u_z [?] Uncertainty flag on z 131-137 F7.4 mag Bmag ?=99.999 B magnitude on AB scale 139-145 F7.4 mag Vmag ?=99.999 V magnitude on AB scale 147-153 F7.4 mag Rmag ?=99.999 R magnitude on AB scale 155-161 F7.4 mag i'mag ?=99.999 i' magnitude on AB scale 163-169 F7.4 mag z'mag ?=99.999 z' magnitude on AB scale -------------------------------------------------------------------------------- Note (1): Reliability as follows: A = reliable B = probable C = plausible - = certain identification -------------------------------------------------------------------------------- History: From electronic version of the journal ================================================================================ (End) Patricia Vannier [CDS] 29-May-2007