J/AJ/117/102 Photometry + Spectroscopy in HDF + Flanking Fields (Barger+, 1999)
Constraints on the early formation of field elliptical galaxies. Barger A.J., Cowie L.L., Trentham N., Fulton E., Hu E.M., Songaila A., Hall D. <Astron. J., 117, 102-110 (1999)> =1999AJ....117..102B
ADC_Keywords: Galaxies, photometry ; Redshifts ; Photometry, infrared Keywords: cosmology: observations; galaxies: evolution; galaxies: photometry Abstract: We present the results of an HK' wide-field survey encompassing the Hubble Deep Field and its flanking fields. Our wide-field survey provides uniform coverage of a 61.8arcmin2 area to a depth equivalent to K=20.1 at 5σ. We have also imaged the Hubble Deep Field in HK', providing uniform coverage of a 7.8arcmin2 area to a depth equivalent to K=21.2 at 5σ. Using these data in combination with new deep University of Hawaii 8K V- and I-imaging obtained on the Canada-France-Hawaii Telescope, we find only a small population of objects with colors redder than an equivalent I-K=4mag, the color expected for an evolved elliptical galaxy at z>1. We infer that only a fraction of the local field elliptical galaxy population with MK←23.4 could have formed in single bursts at high redshift. The HK' observations of the HDF and its flanking fields were made with the University of Hawaii 2.2m telescope (1996-02-06 to 1996-02-08 for the HDF, and 1997-04-17 to 1997-04-22 for the wider area) and the 3.6m Canada-France-Hawaii Telescope (CFHT, 1996-04-05 to 1996-04-08 for the HDF). The deep V- and I-band observations were made with the CFHT (1997-04-03 to 1997-04-08), and B-band observations with the Keck Low Resolution Imaging Spectrograph in a strip across the center of the HK wide-field image. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file cowie.dat 90 184 Results in the HDF hff_cat.dat 76 2579 Results in the HDF flanking fields
See also: http://www.ifa.hawaii.edu/~cowie/tts/tts.html : Hawaii Active Catalog of the Hubble Deep Field http://www.ifa.hawaii.edu/users/cowie/hdflank/hdflank.html : Hawaii Observations oF the HDF Flanking Fields J/ApJS/122/109 : Galaxy structural parameters (Takamiya+, 1999) J/ApJ/513/34 : HDF photometric redshifts catalog (Fernandez-Soto+, 1999) J/A+A/364/517 : HDF-N spiral and irregular galaxies (Rodighiero+, 2000) J/ApJ/538/29 : HDF-N Caltech faint galaxy redshift survey. X. (Cohen+, 2000) J/AJ/119/2571 : UBVRI photometry of HDF QSOs and galaxies (Vanden Berk+, 2000) J/ApJ/533/611 : 1.4GHz survey in HDF region (Richards+, 2000) J/AJ/121/2895 : HDF-N Caltech faint galaxy redshift survey. XIII. (Cohen 2001) J/AJ/122/598 : HDF-North serendipitously galaxies (Dawson+, 2001) J/ApJ/551/111 : HDF early-type and spiral galaxies (Ellis+, 2001) J/ApJ/554/742 : Chandra Deep Survey of the HDF-N (Hornschemeier+, 2001) J/ApJ/596/748 : IR Observations in HDF-North (Thompson+, 2003) J/MNRAS/344/887 : Sub-mm observations of HDF and Flanking Fields (Serjeant+, 2003) J/AJ/127/180 : The Hawaii Hubble Deep Field North (Capak+, 2004) J/MNRAS/358/1159 : Radio sources in HDF and HFF (Muxlow+, 2005) J/ApJ/634/128 : 16µm imaging around the HDF-N (Teplitz+, 2005) J/A+A/472/805 : Radio-X-ray sources in the HDF(N) region. (Richards+, 2007) Byte-by-byte Description of file: cowie.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Cowie Galaxy number, COWIE NNN in Simbad 7- 8 I2 h RAh Right Ascension J2000 (hours) (HK' image) 10- 11 I2 min RAm Right Ascension J2000 (minutes) (HK' image) 13- 17 F5.2 s RAs Right Ascension J2000 (seconds) (HK' image) 20 A1 --- DE- Declination J2000 (sign) (HK' image) 21- 22 I2 deg DEd Declination J2000 (degrees) (HK' image) 24- 25 I2 arcmin DEm Declination J2000 (minutes) (HK' image) 27- 31 F5.2 arcsec DEs Declination J2000 (seconds) (HK' image) 36- 39 F4.1 mag HK'mag Aperture corrected 2.1um magnitude (1) 42- 45 F4.1 mag Jmag Johnson J magnitude (1) 48- 51 F4.1 mag Imag Kron-Cousins I-band magnitude (8140Å) 54- 57 F4.1 mag Vmag Johnson V-band magnitude (6020Å) 60- 63 F4.1 mag Bmag ?=**** Johnson B-band magnitude (4500Å) 66- 69 F4.1 mag UVmag ?=**** Ultraviolet magnitude (3000Å) 74- 79 F6.3 --- z(sp) Spectroscopic redshift (2) 82- 87 F6.3 --- z(6) Photometric redshift (3) 90 I1 --- RSE [0,2]? RSE type (0=ell,1=spiral,2=Irr)
Note (1): Magnitudes are measured in 3 arcsecond diameter apertures and corrected to 6 arcsecond diameters with an average offset for that color. The zero points for the bands are Johnson K, J, V(6020) and B(4500), Kron Cousins I(8140) and AB for UV(3000). Note (2): Spectrosopic redshifts z(sp) are all from the Hawaii and Caltech samples except for objects with z>2.4 where the values are from Steidel et al. (1996AJ....112..352S). Peculiar values are: 0.00=unidentified object, -1.00=unobserved object, and -2=star. Note (3): z(6) is an SED-estimated redshift from the 6 colors. The peculiar value z=-3 means that there are two distinct objects corresponding to the K image and no SED redshift can be obtained using the six color estimator.
Byte-by-byte Description of file: hff_cat.dat
Bytes Format Units Label Explanations
1- 10 A10 --- HDFFF Galaxy number, HDFFF MMSSs-MMSS in Simbad (3) 13- 14 I2 h RAh Right Ascension J2000 (hours) 16- 17 I2 min RAm Right Ascension J2000 (minutes) 19- 23 F5.2 s RAs Right Ascension J2000 (seconds) 25 A1 --- DE- Declination J2000 (sign) 26- 27 I2 deg DEd Declination J2000 (degrees) 29- 30 I2 arcmin DEm Declination J2000 (minutes) 32- 35 F4.1 arcsec DEs Declination J2000 (seconds) 39 A1 --- l_HK'mag [>] Indicates an upper limit in HK' brightness 40- 44 F5.2 mag HK'mag Aperture corrected 2.1um magnitude (1) 47- 51 F5.2 mag Imag Kron-Cousins I magnitude (1) 53 A1 --- l_Imag [>] Indicates an upper limit in I brightness 54- 58 F5.2 mag Vmag Johnson V magnitude (1) 60 A1 --- l_Vmag [>] Indicates an upper limit in V brightness 61- 65 F5.2 mag Bmag ?=0.0 Johnson B magnitude (1) 68- 73 F6.3 --- z ?=0.0 Spectroscopic redshift (4) 76 I1 --- r_z Source of redshift (2)
Note (1): All magnitudes are computed in 3arcsec diameter apertures and corrected to 6arcsec magnitudes using a median offset. HK' magnitudes are described in Wainscoat and Cowie (1992AJ....103..332W). The conversion to conventional K magnitudes are: * for galaxies (almost irrespective of redshift): K = HK' - 0.3. * for stars: K = HK' - 0.13 - 0.05(I-K). Note (2): Sources are numbered as follows: 1 = Steidel et al., 1998AJ....115.1418H 2 = Cohen et al., 1996ApJ...471L...5C 3 = Lowenthal et al., 1997ApJ...481..673L 4 = Redshift from spectrum of the Hawaii group (see http://www.ifa.hawaii.edu/users/cowie/hdf_2000_spectra.fits.gz) 5 = Hogg et al., 1996AJ....112..352S Note (3): The name is composed of the minutes, seconds and tenth in RA, and the minutes and seconds in declination. Note (4): Peculiar values are: 0.00=unidentified object, -1.00=unobserved object, and -2=star.
History: From http://www.ifa.hawaii.edu/users/cowie and http://www.ifa.hawaii.edu/~cowie/tts/
(End) Francois Ochsenbein [CDS] 11-Sep-2008
|The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line|