Extremely Metal-poor Representatives Explored by the Subaru Survey (EMPRESS). I. A Successful Machine-learning Selection of Metal-poor Galaxies and the Discovery of a Galaxy with M* <10(6) M-circle dot and 0.016Z(circle dot)
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We have initiated a new survey for local extremely metal-poor galaxies (EMPGs) with Subaru/Hyper Suprime-Cam (HSC) large-area (similar to 500 deg(2)) optical images reaching a 5 sigma limit of similar to 26 mag, about 100 times deeper than the Sloan Digital Sky Survey (SDSS). To selectZ/Z
Original language | English |
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Article number | 142 |
Journal | Astrophysical Journal |
Volume | 898 |
Issue number | 2 |
Number of pages | 30 |
ISSN | 0004-637X |
DOIs | |
Publication status | Published - Aug 2020 |
- STAR-FORMING GALAXIES, DIGITAL SKY SURVEY, MASS-METALLICITY RELATION, STELLAR POPULATIONS, LARGE-SAMPLE, LY-ALPHA, CHEMICAL ABUNDANCES, PHYSICAL-PROPERTIES, OXYGEN ABUNDANCES, DWARF GALAXIES
Research areas
ID: 247542152