- ID:
- ivo://CDS.VizieR/J/AJ/154/211
- Title:
- The CSP (DR3): photometry of low-z SNe Ia
- Short Name:
- J/AJ/154/211
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present final natural-system optical (ugriBV) and near-infrared (YJH) photometry of 134 supernovae (SNe) with probable white dwarf progenitors that were observed in 2004-2009 as part of the first stage of the Carnegie Supernova Project (CSP-I). The sample consists of 123 Type Ia SNe, 5 Type Iax SNe, 2 super-Chandrasekhar SN candidates, 2 Type Ia SNe interacting with circumstellar matter, and 2 SN 2006bt-like events. The redshifts of the objects range from z=0.0037 to 0.0835; the median redshift is 0.0241. For 120 (90%) of these SNe, near-infrared photometry was obtained. Average optical extinction coefficients and color terms are derived and demonstrated to be stable during the five CSP-I observing campaigns. Measurements of the CSP-I near-infrared bandpasses are also described, and near-infrared color terms are estimated through synthetic photometry of stellar atmosphere models. Optical and near-infrared magnitudes of local sequences of tertiary standard stars for each supernova are given, and a new calibration of Y-band magnitudes of the Persson et al. (1998AJ....116.2475P) standards in the CSP-I natural system is presented.
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Search Results
- ID:
- ivo://CDS.VizieR/J/AJ/142/156
- Title:
- The CSP (DR2): photometry of SNe Ia
- Short Name:
- J/AJ/142/156
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The Carnegie Supernova Project (CSP) was a five-year observational survey conducted at Las Campanas Observatory that obtained, among other things, high-quality light curves of ~100 low-redshift Type Ia supernovae (SNe Ia). Presented here is the second data release of nearby SN Ia photometry consisting of 50 objects, with a subset of 45 having near-infrared follow-up observations. Thirty-three objects have optical pre-maximum coverage with a subset of 15 beginning at least five days before maximum light. In the near-infrared, 27 objects have coverage beginning before the epoch of B-band maximum, with a subset of 13 beginning at least five days before maximum. In addition, we present results of a photometric calibration program to measure the CSP optical (uBgVri) bandpasses with an accuracy of ~1%. Finally, we report the discovery of a second SN Ia, SN 2006ot, similar in its characteristics to the peculiar SN 2006bt.
- ID:
- ivo://CDS.VizieR/J/MNRAS/171/475
- Title:
- The 5C5 survey of radio sources.
- Short Name:
- J/MNRAS/171/475
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- This catalog contains the 5C5 survey of radio sources, one of a series of deep surveys made at 408 MHz (HPBW 80"x109") and 1407 MHz (HPBW 23"x31") with the One-Mile telescope at Cambridge. The 5C5 survey was centered on 09h40m+47d (B1950) and contains 252 sources stronger than 8.7 mJy at 408 MHz and 1.8 mJy at 1407 MHz. The flux densities are on the KPW scale (Kellermann et al. 1969ApJ...157....1K), and were based on 3C48. This table was originally published in Pearson, T.J (1975MNRAS.171..475P)
- ID:
- ivo://CDS.VizieR/J/other/OEJV/185
- Title:
- The Czech Variable Star Catalogue
- Short Name:
- J/other/OEJV/185
- Date:
- 22 Feb 2022
- Publisher:
- CDS
- Description:
- We present the first release of the Czech Variable star catalogue that currently contains 1228 stars whose variability was discovered by 60 Czech observers. The catalogue contains confirmed variable stars of various types, but also candidates. We give precise coordinates, cross identification with other catalogues, information about constellation, variability type, brightness, light elements, name of the discoverer and year of discovery. In eighty-eight percent of stars the variability type is estimated, for more than 60% of the stars the light ephemerides are given.
- ID:
- ivo://CDS.VizieR/II/371
- Title:
- The Dark Energy Survey (DES): Data Release 2
- Short Name:
- II/371
- Date:
- 31 Jan 2022
- Publisher:
- CDS
- Description:
- We present the second public data release of the Dark Energy Survey, DES DR2, based on optical/near-infrared imaging by the Dark Energy Camera mounted on the 4m Blanco telescope at Cerro Tololo Inter-American Observatory in Chile. DES DR2 consists of reduced single-epoch and coadded images, a source catalog derived from coadded images, and associated data products assembled from 6yr of DES science operations. This release includes data from the DES wide-area survey covering ~5000deg^2^ of the southern Galactic cap in five broad photometric bands, grizY. DES DR2 has a median delivered point-spread function FWHM of g=1.11", r=0.95", i=0.88", z=0.83", and Y=0.90", photometric uniformity with a standard deviation of <3mmag with respect to Gaia DR2 G band, a photometric accuracy of ~11mmag, and a median internal astrometric precision of ~27mas. The median coadded catalog depth for a 1farcs95 diameter aperture at signal-to-noise ratio =10 is g=24.7, r=24.4, i=23.8, z=23.1, and Y=21.7mag. DES DR2 includes ~691 million distinct astronomical objects detected in 10169 coadded image tiles of size 0.534deg^2^ produced from 76217 single-epoch images. After a basic quality selection, benchmark galaxy and stellar samples contain 543 million and 145 million objects, respectively.
- ID:
- ivo://CDS.VizieR/II/357
- Title:
- The Dark Energy Survey (DES): Data Release 1
- Short Name:
- II/357
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We describe the first public data release of the Dark Energy Survey, DES DR1, consisting of reduced single-epoch images, co-added images, co-added source catalogs, and associated products and services assembled over the first 3yr of DES science operations. DES DR1 is based on optical/near-infrared imaging from 345 distinct nights (2013 August to 2016 February) by the Dark Energy Camera (DECam) mounted on the 4m Blanco telescope at the Cerro Tololo Inter-American Observatory in Chile. We release data from the DES wide-area survey covering ~5000deg^2^ of the southern Galactic cap in five broad photometric bands, grizY. DES DR1 has a median delivered point-spread function of g=1.12, r=0.96, i=0.88, z=0.84, and Y=0.90" FWHM, a photometric precision of <1% in all bands, and an astrometric precision of 151mas. The median co-added catalog depth for a 1.95" diameter aperture at signal-to-noise ratio (S/N)=10 is g=24.33, r=24.08, i=23.44, z=22.69, and Y=21.44mag. DES DR1 includes nearly 400 million distinct astronomical objects detected in ~10000 co-add tiles of size 0.534deg^2^ produced from ~39000 individual exposures. Benchmark galaxy and stellar samples contain ~310 million and ~80 million objects, respectively, following a basic object quality selection. DES DR1 constitutes the largest photometric data set to date at the achieved depth and photometric precision.
18767. The 400d cluster Survey
- ID:
- ivo://CDS.VizieR/J/ApJS/172/561
- Title:
- The 400d cluster Survey
- Short Name:
- J/ApJS/172/561
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present a catalog of galaxy clusters detected in a new ROSAT PSPC survey. The survey is optimized to sample, at high redshifts, the mass range corresponding to T>5keV clusters at z=0. Technically, our survey is the extension of the 160 square degree survey (160d, Cat. J/ApJ/502/558). We use the same detection algorithm, thus preserving high quality of the resulting sample; the main difference is a significant increase in sky coverage. The new survey covers 397deg^2^ and is based on 1610 high Galactic latitude ROSAT PSPC pointings, virtually all pointed ROSAT data suitable for the detection of distant clusters. The search volume for X-ray luminous clusters within z<1 exceeds that of the entire local universe (z<0.1). We detected 287 extended X-ray sources with fluxes f>1.4x10^-13^ergs/s/cm^2^ in the 0.5-2keV energy band, of which 266 (93%) are optically confirmed as galaxy clusters, groups or individual elliptical galaxies.
- ID:
- ivo://CDS.VizieR/V/152
- Title:
- The DEBCat detached eclipsing binary catalogue
- Short Name:
- V/152
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- Detached eclipsing binary star systems are our primary source of measured physical properties of normal stars. I introduce DEBCat: a catalog of detached eclipsing binaries with mass and radius measurements to the 2% precision necessary to put useful constraints on theoretical models of stellar evolution. The catalog was begun in 2006, as an update of the compilation by Andersen (1991A&ARv...3...91A). It now contains over 195 systems (2017/10/10), and new results are added on appearance in the refereed literature.
- ID:
- ivo://CDS.VizieR/II/301
- Title:
- The DEEP2-DR1 Photometric Catalog
- Short Name:
- II/301
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The Deep Extragalactic Evolutionary Probe (DEEP) is a multi-year program which uses the twin 10m Keck Telescopes and the Hubble Space Telescope (HST) to conduct a truly large-scale survey of distant, faint, field galaxies. The broad scientific goals include: the formation and evolution of galaxies, the origin of large-scale structure, the nature of the dark matter, and the geometry of the Universe. This project is led by the Lick Observatory at University of California (UC) Santa Cruz, in collaboration with UC Berkeley, University of Hawaii (UH) Manoa, Johns Hopkins University, University of Chicago and California Institute of Technology. The photometric data were taken with the CFH12K camera on the 3.6-meter Canada-France-Hawai'i Telescope. Each DEEP2 field is covered by multiple CFHT/CFH12K pointings with each pointing numbered within its respective
- ID:
- ivo://CDS.VizieR/J/ApJ/714/1305
- Title:
- The Deep SWIRE Field (DSF) IV.
- Short Name:
- J/ApJ/714/1305
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present a study of a 20cm selected sample in the Deep Spitzer Wide-area InfraRed Extragalactic Legacy Survey Very Large Array Field, reaching a 5{sigma} limiting flux density at the image center of S_1.4GHz_~13.5uJy. In a 0.6x0.6deg^2^ field, we are able to assign an optical/IR counterpart to 97% of the radio sources. Up to 11 passbands from the NUV to 4.5um are then used to sample the spectral energy distribution (SED) of these counterparts in order to investigate the nature of the host galaxies. By means of an SED template library and stellar population synthesis models, we estimate photometric redshifts, stellar masses, and stellar population properties, dividing the sample into three sub-classes of quiescent, intermediate, and star-forming galaxies. We focus on the radio sample in the redshift range 0.3<z<1.3 where we estimate to have a redshift completeness higher than 90% and study the properties and redshift evolution of these sub-populations.