J/ApJS/253/42 The Araucaria Project: deep NIR phot. I. (Karczmarek+, 2021)
The Araucaria Project: deep near-infrared photometric maps of Local and
Sculptor Group galaxies.
I. Carina, Fornax, and Sculptor.
Karczmarek P., Pietrzynski G., Gieren W., Narloch W., Hajdu G., Garcia G.R.,
Kaluszynski M., Gorski M., Suchomska K., Graczyk D., Pilecki B.,
Wielgorski P., Zgirski B., Taormina M., Sadh M.
<Astrophys. J. Suppl. Ser., 253, 42 (2021)>
=2021ApJS..253...42K 2021ApJS..253...42K
ADC_Keywords: Photometry, infrared; Galaxies, IR
Keywords: Observational astronomy ; Infrared photometry ; Astronomy databases ;
Dwarf galaxies
Abstract:
Deep near-infrared (NIR) J- and K-band photometry of three Local Group
dwarf spheroidal galaxies-Fornax, Carina, and Sculptor-is made
available for the community. Until now, these data have only been used
by the Araucaria Project to determine distances using the tip of the
red giant branch and RR Lyrae stars. Now, we present the entire data
collection in the form of a database, consisting of accurate J- and
K-band magnitudes, sky coordinates, ellipticity measurements, and
timestamps of observations, complemented by stars' loci in their
reference images. The depth of our photometry reaches about 22 mag at
the 5σ level, and is comparable to NIR surveys, such as the
UKIRT Infrared Deep Sky Survey (UKIDSS) or the VISTA Hemisphere Survey
(VHS). Small overlap with VHS and no overlap with UKIDSS makes our
database a unique source of quality photometry.
Description:
During the course of the Araucaria Project (Gieren+ 2005Msngr.121...23G 2005Msngr.121...23G)
we have collected high-quality near-infrared (NIR) J- and K-band
photometry for 11 galaxies in the Local Group, and four galaxies in
the Sculptor Group.
The NIR data were collected between 2001 and 2013 as a part of the
Araucaria Project, with three NIR cameras: SOFI at the New Technology
Telescope (NTT) in La Silla Observatory, and ISAAC and HAWK-I at the
Very Large Telescope (VLT) in Paranal Observatory.
These instruments have high spatial resolutions and fields of view:
4.9'x4.9' and 0288pix-1 (SOFI), 7.5'x7.5' and 0106pix-1 (HAWK-I),
2.5'x2.5' and 0148pix-1 (ISAAC).
Generally, for SOFI we took between 19 and 21 exposures in the J band
and 25-55 exposures in the K band, for HAWK-I we took between 15 and
18 exposures in the J band and 26-45 in the K band, and for ISAAC we
took between 4 and 20 exposures in the J band and 24-26 in the K band.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
carina.dat 199 14597 Carina database
fornax.dat 200 83717 Fornax database
sculptor.dat 200 1253 Sculptor database
table4.dat 163 69 Journal of observations
fits/* . 156 Individual images in FITS format
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Description of file:
Also available on the FTP: FITS_Carina.tar.gz, FITS_Fornax.tar.gz,
FITS_Sculptor.tar.gz which are all the FITS images available for each galaxy
downloaded at: http://zenodo.org/record/5039467
See also:
B/eso : ESO Science Archive Catalog (ESO, 1991-2021)
II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
II/319 : UKIDSS-DR9 LAS, GCS and DXS Surveys (Lawrence+ 2012)
II/359 : The VISTA Hemisphere Survey (VHS) catalog DR4.1 (McMahon+, 2013)
I/345 : Gaia DR2 (Gaia Collaboration, 2018)
J/AJ/135/1993 : JHK magnitudes of Sculptor RR Lyrae (Pietrzynski+, 2008)
J/AJ/138/1661 : The Araucaria Project: RR Lyrae in SMC (Szewczyk+, 2009)
J/ApJ/780/59 : The Araucaria project: EBs in SMC (Graczyk+, 2014)
J/AJ/154/263 : NIR photometry of 77 RR Lyrae stars (Karczmarek+, 2017)
http://araucaria.camk.edu.pl/ : Araucaria project home page
Byte-by-byte Description of file: carina.dat fornax.dat sculptor.dat
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Bytes Format Units Label Explanations
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1- 5 I5 --- ID [1/46245] Star identifier
7- 16 F10.6 deg RAdeg Right ascension (ICRS) at Epoch=J2015.5
18- 27 F10.6 deg DEdeg Declination (ICRS) at Epoch=J2015.5
29- 34 F6.3 mag Jmag [10.5/24.9] UKIRT J band magnitude
36- 40 F5.3 mag e_Jmag [0.001/0.5] Uncertainty in Jmag
42- 47 F6.3 mag Kmag [10.1/24] UKIRT K band magnitude
49- 53 F5.3 mag e_Kmag [0.001/0.7] Uncertainty in Kmag
55- 59 F5.3 --- ell-J ? Ellipticity in J-band as found in SExtractor
61- 65 F5.3 --- ell-K ? Ellipticity in K-band as found in SExtractor
67- 84 F18.10 d JD-J Julian Date of observations in J-band
86- 103 F18.10 d JD-K Julian Date of observations in K-band
105- 107 F3.1 --- frg [0/1]? Foreground star? (1=foreground) (1)
109- 116 F8.3 pix x-J [1/2154] x coordinate of star's centroid
in J image
118- 125 F8.3 pix y-J [2/2175] y coordinate of star's centroid
in J image
127- 134 F8.3 pix x-K [1/2177] x coordinate of star's centroid
in K image
136- 143 F8.3 pix y-K [1/2184] y coordinate of star's centroid
in K image
145- 149 A5 --- Inst Name of instrument that took the images
("SOFI", "ISAAC" or "HAWKI")
151- 170 A20 --- Image-J Name of reference J image, to which
x,y centroids refer to in subdirectory fits
172- 191 A20 --- Image-K Name of reference K image, to which
x,y centroids refer to in subdirectory fits
193- 200 A8 --- Field Name of the field; column added by CDS (G1)
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Note (1): Based on Gaia eDR3 parallaxes and proper motion
(1=foreground object, 0=non-foreground object, NULL=data unavailable).
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- Field Name of the field in Carina, Fornax or
Sculptor (G1)
10- 11 I2 h RAh Hour of right ascension (J2000)
13- 14 I2 min RAm Minute of right ascension (J2000)
16- 19 F4.1 s RAs Second of right ascension (J2000)
21 A1 --- DE- Sign of declination (J2000)
22- 23 I2 deg DEd Degree of declination (J2000)
25- 26 I2 arcmin DEm Arcminute of declination (J2000)
28- 29 I2 arcsec DEs Arcsecond of declination (J2000)
31- 40 A10 "Y-M-D" Date Date of observation (UT)
42- 45 F4.2 arcsec Seeing [0.51/1.87] Seeing
47 A1 --- Filt Filter (J or K)
49- 52 F4.1 min Exp [1.7/45] Exposure time
54- 59 A6 --- Inst Instrument ("HAWK-I", "SOFI" or "ISAAC")
61- 85 A25 --- File1 Name of the FITS file; column added by CDS
87-111 A25 --- File2 Name of the second FITS file if any;
column added by CDS
113-137 A25 --- File3 Name of the third FITS file if any;
column added by CDS
139-163 A25 --- File4 Name of the fourth FITS file if any;
column added by CDS
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Global notes:
Note (G1): Each name consists of a galaxy name followed by a field number
with a suffix "d" in the case of deeper photometry.
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Acknowledgements:
Paulina Karczmarek [Universidad de Concepcion, Chile]
History:
Table 4 from electronic version of the journal
Databases downloaded from:
http://araucaria.camk.edu.pl/index.php/nir-photometric-maps/
FITS images downloaded from:
http://zenodo.org/record/5039467
(End) Emmanuelle Perret [CDS] 25-Jun-2021