J/A+A/600/A28 Merging galaxies in Pan-STARR (Lin+, 2017)
Investigating merging galaxies by using Pan-STARRS images.
Lin Y.F., Yu P.C., Huang J.C., Hwang C.Y., Chen W.P., Kaiser N.,
Metcalfe N., Waters C.
<Astron. Astrophys. 600, A28 (2017)>
=2017A&A...600A..28L 2017A&A...600A..28L (SIMBAD/NED BibCode)
ADC_Keywords: Surveys ; Galaxy catalogs ; Galaxies, photometry
Keywords: galaxies: general - galaxies: interactions - galaxies: irregular
Abstract:
We studied the r'-, z'-, and y'-band images of merging galaxies from
the observations of the Panoramic Survey Telescope & Rapid Response
System (Pan-STARRS). The merging galaxies were selected from our
merging catalog that was created by checking the images of the
Red-Sequence Cluster Survey 2 from the observations of the Canada
France Hawaii Telescope
By using the homomorphic-aperture, we determined the photometric
results of these merging systems. To obtain accurate photometry, we
calibrated the Pan-STARRS r'-, z'-, and y'-band data to match the
results of Sloan Digital Sky Survey Data Release 9. We also
investigated the stellar masses of the merging galaxies by comparing
the Wide-field Infrared Survey Explorer 3.4um emission with the
calibrated y'-band data.
We present a catalog of the r'-, z'-, and y'-band photometric results
for 4698 merging galaxies. For extended sources, our results suggest
that the homomorphic-aperture method can obtain more reasonable
results than the Desktop Virtual Observatory photometry. We derived
new relations between the Pan-STARRS y'-band luminosities and the
stellar masses of the merging galaxies. Our results show that the
stellar masses of the merging galaxies range from 108 to
1013M☉; some of the dry mergers could be as massive as
1013M☉.
Description:
File table1 contains the ID numbers of the sources, their coordinates
(2000), and their r',z',y'-band composite photometric results obtained
by the homomorphic aperture method.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table1.dat 65 4698 List of composite photometric results of
4,698 merging galaxies
--------------------------------------------------------------------------------
Byte-by-byte Description of file:table1.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 I5 --- ID [3/15146] ID number of the source
7- 17 F11.7 deg RAdeg Right ascension (J2000.0)
19- 29 F11.7 deg DEdeg Declination (J2000.0)
31- 35 F5.2 mag r'mag r'-band composite photometric results
37- 41 F5.3 mag e_r'mag Photometric uncertainties of r'-band
43- 47 F5.2 mag z'mag z'-band composite photometric results
49- 53 F5.3 mag e_z'mag Photometric uncertainties of z'-band
55- 59 F5.2 mag y'mag y'-band composite photometric results
61- 65 F5.3 mag e_y'mag Photometric uncertainties of y'-band
--------------------------------------------------------------------------------
Acknowledgements:
Po-Chieh Yu, pcyu(at)astro.ncu.edu.tw
(End) Patricia Vannier [CDS] 16-Dec-2016