TY - JOUR
T1 - KMTNet Nearby Galaxy Survey
T2 - Overview and Survey Description
AU - Byun, Woowon
AU - Sheen, Yun Kyeong
AU - Seon, Kwang Il
AU - Ho, Luis C.
AU - Lee, Joon Hyeop
AU - Jeong, Hyunjin
AU - Kim, Sang Chul
AU - Park, Byeong Gon
AU - Lee, Yongseok
AU - Cha, Sang Mok
AU - Kim, Minjin
N1 - Publisher Copyright:
© 2022. The Astronomical Society of the Pacific. All rights reserved.
PY - 2022/9/1
Y1 - 2022/9/1
N2 - Recently, there has been increasing demand for deep imaging surveys to investigate the history of the mass assembly of galaxies in detail by examining the remnants of mergers and accretions, both of which have very low surface brightness (LSB). In addition, the nature of star formation in LSB regions, such as galaxy outer disks, is also an intriguing topic in terms of understanding the physical mechanisms of disk evolution. To address these issues, this study conducted a survey project, called the Korea Microlensing Telescope Network Nearby Galaxy Survey, to construct a deep imaging data set of nearby galaxies in the southern hemisphere. It provides deep and wide-field images with a field of view of ∼12 deg2 for 13 nearby galaxies drawn from the Carnegie-Irvine Galaxy Survey catalog in optical broad bands (BRI) and an Hα narrow band. Through a dedicated data reduction, the surface brightness limit in 10″ × 10″ boxes was found to reach as deep as μ 1σ ∼ 29-31 mag arcsec−2 in the optical broad bands and f 1σ ∼ 1-2 × 10−18 erg s−1 cm−2 arcsec−2 in the Hα narrow band. To conclude the paper, several possible scientific applications for this data set are described.
AB - Recently, there has been increasing demand for deep imaging surveys to investigate the history of the mass assembly of galaxies in detail by examining the remnants of mergers and accretions, both of which have very low surface brightness (LSB). In addition, the nature of star formation in LSB regions, such as galaxy outer disks, is also an intriguing topic in terms of understanding the physical mechanisms of disk evolution. To address these issues, this study conducted a survey project, called the Korea Microlensing Telescope Network Nearby Galaxy Survey, to construct a deep imaging data set of nearby galaxies in the southern hemisphere. It provides deep and wide-field images with a field of view of ∼12 deg2 for 13 nearby galaxies drawn from the Carnegie-Irvine Galaxy Survey catalog in optical broad bands (BRI) and an Hα narrow band. Through a dedicated data reduction, the surface brightness limit in 10″ × 10″ boxes was found to reach as deep as μ 1σ ∼ 29-31 mag arcsec−2 in the optical broad bands and f 1σ ∼ 1-2 × 10−18 erg s−1 cm−2 arcsec−2 in the Hα narrow band. To conclude the paper, several possible scientific applications for this data set are described.
UR - http://www.scopus.com/inward/record.url?scp=85139406224&partnerID=8YFLogxK
U2 - 10.1088/1538-3873/ac8ed4
DO - 10.1088/1538-3873/ac8ed4
M3 - Article
AN - SCOPUS:85139406224
SN - 0004-6280
VL - 134
JO - Publications of the Astronomical Society of the Pacific
JF - Publications of the Astronomical Society of the Pacific
IS - 1039
M1 - 094104
ER -