The Astrophysical Journal (Jan 2024)
EIGER IV. The Cool 104 K Circumgalactic Environment of High-redshift Galaxies Reveals Remarkably Efficient Intergalactic Medium Enrichment
- Rongmon Bordoloi,
- Robert A. Simcoe,
- Jorryt Matthee,
- Daichi Kashino,
- Ruari Mackenzie,
- Simon J. Lilly,
- Anna-Christina Eilers,
- Bin Liu,
- David DePalma,
- Minghao Yue,
- Rohan P. Naidu
Affiliations
- Rongmon Bordoloi
- ORCiD
- Department of Physics, North Carolina State University , Raleigh, NC 27695, USA ; [email protected]
- Robert A. Simcoe
- ORCiD
- MIT Kavli Institute for Astrophysics and Space Research , 77 Massachusetts Avenue, Cambridge, MA 02139, USA
- Jorryt Matthee
- ORCiD
- Department of Physics , ETH Zürich, Wolfgang-Pauli-Strasse 27, Zürich 8093, Switzerland
- Daichi Kashino
- ORCiD
- Institute for Advanced Research, Nagoya University , Nagoya 464-8601, Japan; Department of Physics, Graduate School of Science, Nagoya University , Nagoya 464-8602, Japan
- Ruari Mackenzie
- ORCiD
- Department of Physics , ETH Zürich, Wolfgang-Pauli-Strasse 27, Zürich 8093, Switzerland
- Simon J. Lilly
- ORCiD
- Department of Physics , ETH Zürich, Wolfgang-Pauli-Strasse 27, Zürich 8093, Switzerland
- Anna-Christina Eilers
- ORCiD
- MIT Kavli Institute for Astrophysics and Space Research , 77 Massachusetts Avenue, Cambridge, MA 02139, USA
- Bin Liu
- ORCiD
- Department of Physics, North Carolina State University , Raleigh, NC 27695, USA ; [email protected]
- David DePalma
- MIT Kavli Institute for Astrophysics and Space Research , 77 Massachusetts Avenue, Cambridge, MA 02139, USA
- Minghao Yue
- ORCiD
- MIT Kavli Institute for Astrophysics and Space Research , 77 Massachusetts Avenue, Cambridge, MA 02139, USA
- Rohan P. Naidu
- ORCiD
- MIT Kavli Institute for Astrophysics and Space Research , 77 Massachusetts Avenue, Cambridge, MA 02139, USA
- DOI
- https://doi.org/10.3847/1538-4357/ad1b63
- Journal volume & issue
-
Vol. 963,
no. 1
p. 28
Abstract
We report new observations of the cool diffuse gas around 29, 2.3 1.3 R _200 ), suggest that five out of the seven Mg ii absorption systems are not gravitationally bound to their host galaxy. In contrast, most of the cool circumgalactic medium at z 4.
Keywords
- Galaxy evolution
- High-redshift galaxies
- Circumgalactic medium
- Intergalactic medium
- Emission line galaxies
- Quasar absorption line spectroscopy