J/ApJS/244/16 HLF photometric catalog in GOODS-S v2.1 (Whitaker+, 2019)
The Hubble Legacy Field GOODS-S photometric catalog.
Whitaker K.E., Ashas M., Illingworth G., Magee D., Leja J., Oesch P.,
van Dokkum P., Mowla L., Bouwens R., Franx M., Holden B., Labbe I.,
Rafelski M., Teplitz H., Gonzalez V.
<Astrophys. J. Suppl. Ser., 244, 16 (2019)>
=2019ApJS..244...16W 2019ApJS..244...16W
ADC_Keywords: Photometry, HST; Ultraviolet; Optical; Infrared sources;
Redshifts; Galaxy catalogs
Keywords: catalogs ; galaxies: evolution ; galaxies: general ;
methods: data analysis ; techniques: photometric
Abstract:
This manuscript describes the public release of the Hubble Legacy
Fields (HLF) project photometric catalog for the extended GOODS-South
region from the Hubble Space Telescope (HST) archival program
AR-13252. The analysis is based on the version 2.0 HLF data release
that now includes all ultraviolet (UV) imaging, combining three major
UV surveys. The HLF data combines over a decade worth of 7475
exposures taken in 2635 orbits totaling 6.3Ms with the HST Advanced
Camera for Surveys Wide Field Channel (ACS/WFC) and the Wide Field
Camera 3 (WFC3) UVIS/IR Channels in the greater GOODS-S extragalactic
field, covering all major observational efforts (e.g., GOODS, GEMS,
CANDELS, ERS, UVUDF, and many other programs; see Illingworth+
arXiv:1606.00841). The HLF GOODS-S catalogs include photometry in 13
bandpasses from the UV (WFC3/UVIS F225W, F275W, and F336W filters),
optical (ACS/WFC F435W, F606W, F775W, F814W and F850LP filters), to
near-infrared (WFC3/IR F098M, F105W, F125W, F140W and F160W filters).
Such a data set makes it possible to construct the spectral energy
distributions (SEDs) of objects over a wide wavelength range from
high-resolution mosaics that are largely contiguous. Here, we describe
a photometric analysis of 186474 objects in the HST imaging at
wavelengths 0.2-1.6µm. We detect objects from an ultra-deep image
combining the PSF-homogenized and noise-equalized F850LP, F125W,
F140W, and F160W images, including Gaia astrometric corrections. SEDs
were determined by carefully taking the effects of the point-spread
function in each observation into account.
Description:
The HLF-GOODS-S photometric catalog has been updated from v2.0 to
v2.1. The only change is to reduce the relative weight threshold from
1% to 0.01%, as three filters with a combination of extremely deep and
shallow pointings (e.g., F606W, F775W, and F850LP) had fluxes for
about 50k-67k objects changed to -99 that may still be reliable. This
increases the estimated area for F850LP coverage from 343arcmin2 to
525arcmin2 and could therefore be important for the shallow imaging
coverage in these particular filters. Note that the only figure that
slightly changes is the number counts comparison of F850LP
(Figure 16), all other figures yield identical measurements to those
presented in the publication.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catv21.dat 645 186474 *Hubble Legacy Fields (HLF) photometric catalog
for the extended GOODS-South region;
v2.1 release 60mas pixel scale mosaics
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Note on catv21.dat: "-99" NULL value have been set to blank value in VizieR;
except for class_star (col. "S/G" in VizieR).
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Description of file: On the FTP, the tar file "ori.tar" contains the original
catalog downloaded from http://archive.stsci.edu/prepds/hlf/ in FITS format;
both v2.0 and v2.1.
See also:
B/hst : HST Archived Exposures Catalog (STScI, 2007)
II/261 : GOODS initial results (Giavalisco+, 2004)
I/337 : Gaia DR1 (Gaia Collaboration, 2016)
I/345 : Gaia DR2 (Gaia Collaboration, 2018)
J/ApJS/150/1 : VV29 and NGC 4676 HST photometry (Benitez+, 2004)
J/ApJ/655/51 : HDFS IRAC observations of 2<z<3.5 galaxies (Wuyts+, 2007)
J/ApJ/735/86 : NEWFIRM MBS: photometric catalogs (Whitaker+, 2011)
J/MNRAS/425/2116 : Arizona CDFS Environment Survey, ACES (Cooper+, 2012)
J/ApJS/203/24 : Structural param. of galaxies in CANDELS (van der Wel+, 2012)
J/ApJS/207/24 : GOODS-S CANDELS multiwavelength catalog (Guo+, 2013)
J/ApJS/214/24 : 3D-HST+CANDELS catalog (Skelton+, 2014)
J/AJ/150/31 : Photometry & redshifts of galaxies in the UDF (Rafelski+, 2015)
J/ApJS/225/27 : 3D-HST Survey: grism spectra master catalog (Momcheva+, 2016)
J/ApJ/853/108 : Clumpy galaxies in CANDELS. II. 0.5≤z<3.0 (Guo+, 2018)
http://archive.stsci.edu/prepds/hlf/ : Hubble Legacy Fields (HLF) website
Byte-by-byte Description of file: catv21.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- Seq [1/186474] Running sequence number (id)
8- 14 F7.1 --- x [132/24999] X centroid in image coordinates
16- 22 F7.1 --- y [2/23507] Y centroid in image coordinates
24- 34 F11.8 deg RAdeg [52.8/53.4] Right ascension (J2000) (ra)
36- 47 F12.8 deg DEdeg [-28.1/-27.6] Declination (J2000) (dec)
49- 59 F11.8 deg RAGdeg RA J2000 corrected by Gaia astrometry
(ra_gaia) (1)
61- 72 F12.8 deg DEGdeg DEC J2000 corrected by Gaia astrometry
(dec_gaia) (2)
74- 88 F15.9 0.3631uJy F160Wap [-0.6/24406]? F160W flux within
a 0.7" aperture (faper_f160w) (3)
90-102 F13.9 0.3631uJy e_F160Wap [0.003/1.1]? 1σ error on F160Wap
(eaper_f160w)
104-117 F14.9 0.3631uJy F850LPap [-0.2/7323]? F850LP flux within
a 0.7" aperture (faper_f850lp) (3)
119-131 F13.9 0.3631uJy e_F850LPap [0.004/0.4]? 1σ error on F850LP
(eaper_f850lp)
133-144 F12.8 0.3631uJy F225W [-65/627]? HST WFC3/UV F225W total flux
(f_f225w) (3)
146-157 F12.8 0.3631uJy e_F225W [0.02/506]? 1σ error on F225W
(e_f225w)
159-162 F4.2 --- w_F225W [0/1] Weight relative to 95th percentile
exposure within image F225W (w_f225w)
164-175 F12.8 0.3631uJy F275W [-97/628]? HST WFC3/UV F275W total flux
(f_f275w) (3)
177-188 F12.8 0.3631uJy e_F275W [0.01/455]? 1σ error on F275W
(e_f275w)
190-193 F4.2 --- w_F275W [0/1] Weight relative to 95th percentile
exposure within image F275W (w_f275w)
195-207 F13.8 0.3631uJy F336W [-17/1621]? HST WFC3/UV F336W total flux
(f_f336w) (3)
209-220 F12.8 0.3631uJy e_F336W [0.008/237]? 1σ error on F336W
(e_f336w)
222-225 F4.2 --- w_F336W [0/1] Weight relative to 95th percentile
exposure within image F336W (w_f336w)
227-239 F13.8 0.3631uJy F435W [-327/5259]? HST ACS/WFC F435W total flux
(f_f435w) (3)
241-252 F12.8 0.3631uJy e_F435W [0.003/263]? 1σ error on F435W
(e_f435w)
254-257 F4.2 --- w_F435W [0/1] Weight relative to 95th percentile
exposure within image F435W (w_f435w)
259-271 F13.8 0.3631uJy F606W [-2.8/9599]? HST ACS/WFC F606W total flux
(f_f606w) (3)
273-284 F12.8 0.3631uJy e_F606W [0.001/161]? 1σ error on F606W
(e_f606w)
286-289 F4.2 --- w_F606W [0/1] Weight relative to 95th percentile
exposure within image F606W (w_f606w)
291-303 F13.8 0.3631uJy F775W [-21.5/7959]? HST ACS/WFC F775W total flux
(f_f775w) (3)
305-316 F12.8 0.3631uJy e_F775W [0.001/306]? 1σ error on F775W
(e_f775w)
318-321 F4.2 --- w_F775W [0/1] Weight relative to 95th percentile
exposure within image F775W (w_f775w)
323-335 F13.8 0.3631uJy F814W [-43.6/4621]? HST ACS/WFC F814W total
flux (f_f814w) (3)
337-348 F12.8 0.3631uJy e_F814W [0.003/356]? 1σ error on F814W
(e_f814w)
350-353 F4.2 --- w_F814W [0/1] Weight relative to 95th percentile
exposure within image F814W (w_f814w)
355-368 F14.8 0.3631uJy F850LP [-0.22/14467]? HST ACS/WFC F850LP total
flux (f_f850lp) (3)
370-381 F12.8 0.3631uJy e_F850LP [0.004/230]? 1σ error on F850LP
(e_f850lp)
383-386 F4.2 --- w_F850LP [0/1] Weight relative to 95th percentile
exposure within image F850LP (w_f850lp)
388-401 F14.8 0.3631uJy F098M [-71/59171]? HST WFC3/IR F098M total flux
(f_f098m) (3)
403-414 F12.8 0.3631uJy e_F098M [0.02/267]? 1σ error on F098M
(e_f098m)
416-419 F4.2 --- w_F098M [0/1] Weight relative to 95th percentile
exposure within image F098M (w_f098m)
421-434 F14.8 0.3631uJy F105W [-11.5/46396]? HST WFC3/IR F105W total
flux (f_f105w) (3)
436-447 F12.8 0.3631uJy e_F105W [0.002/443]? 1σ error on F105W
(e_f105w)
449-452 F4.2 --- w_F105W [0/1] Weight relative to 95th percentile
exposure within image F105W (w_f105w)
454-467 F14.8 0.3631uJy F125W [-11.5/60787]? HST WFC3/IR F125W total
flux (f_f125w) (3)
469-480 F12.8 0.3631uJy e_F125W [0.004/426]? 1σ error on F125W
(e_f125w)
482-485 F4.2 --- w_F125W [0/1] Weight relative to 95th percentile
exposure within image F125W (w_f125w)
487-500 F14.8 0.3631uJy F140W [-161/57476]? HST WFC3/IR F140W total
flux (f_f140w) (3)
502-513 F12.8 0.3631uJy e_F140W [0.003/834]? 1σ error on F140W
(e_f140w)
515-518 F4.2 --- w_F140W [0/1] Weight relative to 95th percentile
exposure within image F140W (w_f140w)
520-533 F14.8 0.3631uJy F160W [-1.4/34247]? HST WFC3/IR F160W total
flux (f_f160w) (3)
535-546 F12.8 0.3631uJy e_F160W [0.003/58]? 1σ error on F160W
(e_f160w)
548-551 F4.2 --- w_F160W [0/1] Weight relative to 95th percentile
exposure within image F160W (w_f160w)
553-558 F6.4 --- fLight [1/1.21] Inverse fraction of light enclosed
at the circularized Kron radius (tot_cor)
560-565 F6.4 --- Wmin [0/0.5] Minimum weight for ACS and WFC3
bands (excluding zero exposure) (wmin_hst)
567-568 I2 --- Nf [1/13] Number of HST filters with non-zero
weight (nfilt_hst)
570-576 F7.4 --- zsp [0.0009/6.1]? Spectroscopic redshift
(z_spec) (4)
578-580 I3 --- Ext [0/2]?=157 Extended flag (star_flag) (5)
582-587 F6.2 pix Krad [0/16]? SExtractor KRON_RADIUS
(kron_radius)
589-595 F7.2 pix Aimg [0.5/341]? SExtractor semimajor axis
(a_image)
597-602 F6.2 pix Bimg [0.2/79]? SExtractor semiminor axis
(b_image)
604-609 F6.2 deg PA [-90/90]? Position angle of the major
axis (counter-clockwise, measured from
East) (theta_J2000)
611-616 F6.2 --- S/G [-99/1] SExtractor stellarity index
(0=galaxy; 1=star; -99=NULL) (class_star)
618-628 F11.3 pix Frad [-793150/833]? SExtractor circular
aperture radius enclosing half the total
flux (flux_radius)
630-636 F7.2 pix FWHM [-5/633]? SExtractor FWHM from a Gaussian
fit to the core (fwhm_image)
638-639 I2 --- Flag [0/51] SExtractor extraction flags (flags)
641 I1 --- Det [0/1] A flag indicating whether the
corrections and structural parameters were
derived from F850LP rather than F160W
(1=F850LP; 0=F160W) (detection_flag)
643 I1 --- Use1 [0/1] Flag for F160W (1=Reliable)
(use_f160w) (6)
645 I1 --- Use2 [0/1] Flag for F850LP (1=Use)
(use_f850lp) (7)
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Note (1): R.A. J2000 (degrees), corrected by Gaia astrometry following
ra_gaia(deg) = R.A.(deg) +0.1130/3600
Note (2): Decl. J2000 (degrees), corrected by Gaia astrometry following
dec_gaia(deg) = decl.(deg) -0.26/3600
Note (3): All fluxes within the catalog are given as total, with an AB magnitude
zero-point equal to 25. We also provide the aperture flux in the F160W
and F850LP reference bands to allow the user to convert the total
fluxes back to consistent color measurements for any band.
See Section 2.5 for further details.
--------------------------------------
Filter Zero point ABMAG
--------------------------------------
WFC3/UV
F225W 24.04
F275W 24.13
F336W 24.67
---------------------------
ACS/WFC
F435W 25.68
F606W 26.51
F775W 25.69
F814W 25.94
F850LP 24.87
---------------------------
WFC3/IR
F098M 25.68
F105W 26.27
F125W 26.23
F140W 26.45
F160W 25.94
--------------------------------------
Note (4): The zsp column cross matches the positions of each object within a
radius of 0.4" with the compilation of spectroscopic redshifts
referenced in Skelton+ (2014, J/ApJS/214/24) for the GOODS-S field.
Note (5): Point source=1, extended source=0 for objects with total
HF160W≤25mag.
All objects with HF160W>25mag or no F160W/F850LP coverage have Ext=2,
and we encourage the user to proceed with caution. See Section 2.5.2.
Note (6): Flag indicating source is likely to be a galaxy with reliable
measurements in ≥5 filters with (S/N)F160W>3 (see Section 2.5.2).
Note (7): Flag indicating source is detected with (S/N)F850LP>3 (in at least
1 filter) and likely to be a galaxy (see Section 2.5.2).
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History:
Downloaded at: http://archive.stsci.edu/prepds/hlf/
* 21-Aug-2020: Insert into VizieR
* 22-Aug-2024: Update for v2.1
(End) Emmanuelle Perret [CDS] 12-Feb-2020