Synergizing 21 cm and sub-millimetre surveys during reionization: new
empirical insights
H. Padmanabhan. (2022)cite arxiv:2212.08077Comment: 13 pages, 7 figures, 3 tables.
Abstract
We use the latest results from Atacama Large Millimetre/submillimetre Array
(ALMA) surveys targeting the ionized carbon CII 158 $\mu$m and oxygen OIII
88 $\mu$m lines, in combination with data-driven predictions for the evolution
of neutral hydrogen (HI), to illustrate the prospects for intensity mapping
cross-correlations between 21 cm and submillimetre surveys over $z 5-7$.
We work with a dataset including the ALPINE and REBELS surveys for CII over
$z 4.5-7$, and ALMA OIII detections over $z 6-9$. The resultant
evolution of the CII luminosity - halo mass relation is well described by a
double power law at high redshifts, with the best-fitting parameters in good
agreement with the results of simulations. The data favour secure detections of
the auto-power spectrum of CII at all redshifts with an enhanced Fred Young
Submillimetre Telescope (FYST)-like configuration. Such an experiment, along
with the Murchinson Widefield Array (MWA) will be able to measure the 21 cm -
CII cross-correlation power with a signal-to-noise ratio of a few tens to a
few hundreds. We find that a balloon-borne experiment improving upon the
Experiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) should be
able to detect the 21 cm - OIII cross-correlation with the MWA and the Square
Kilometre Array (SKA)-LOW out to $z 7$. Our results have implications for
constraining the evolution of luminous sources during the mid-to-end stages of
reionization.
Description
Synergizing 21 cm and sub-millimetre surveys during reionization: new empirical insights
%0 Generic
%1 padmanabhan2022synergizing
%A Padmanabhan, Hamsa
%D 2022
%K library
%T Synergizing 21 cm and sub-millimetre surveys during reionization: new
empirical insights
%U http://arxiv.org/abs/2212.08077
%X We use the latest results from Atacama Large Millimetre/submillimetre Array
(ALMA) surveys targeting the ionized carbon CII 158 $\mu$m and oxygen OIII
88 $\mu$m lines, in combination with data-driven predictions for the evolution
of neutral hydrogen (HI), to illustrate the prospects for intensity mapping
cross-correlations between 21 cm and submillimetre surveys over $z 5-7$.
We work with a dataset including the ALPINE and REBELS surveys for CII over
$z 4.5-7$, and ALMA OIII detections over $z 6-9$. The resultant
evolution of the CII luminosity - halo mass relation is well described by a
double power law at high redshifts, with the best-fitting parameters in good
agreement with the results of simulations. The data favour secure detections of
the auto-power spectrum of CII at all redshifts with an enhanced Fred Young
Submillimetre Telescope (FYST)-like configuration. Such an experiment, along
with the Murchinson Widefield Array (MWA) will be able to measure the 21 cm -
CII cross-correlation power with a signal-to-noise ratio of a few tens to a
few hundreds. We find that a balloon-borne experiment improving upon the
Experiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) should be
able to detect the 21 cm - OIII cross-correlation with the MWA and the Square
Kilometre Array (SKA)-LOW out to $z 7$. Our results have implications for
constraining the evolution of luminous sources during the mid-to-end stages of
reionization.
@misc{padmanabhan2022synergizing,
abstract = {We use the latest results from Atacama Large Millimetre/submillimetre Array
(ALMA) surveys targeting the ionized carbon [CII] 158 $\mu$m and oxygen [OIII]
88 $\mu$m lines, in combination with data-driven predictions for the evolution
of neutral hydrogen (HI), to illustrate the prospects for intensity mapping
cross-correlations between 21 cm and submillimetre surveys over $z \sim 5-7$.
We work with a dataset including the ALPINE and REBELS surveys for [CII] over
$z \sim 4.5-7$, and ALMA [OIII] detections over $z \sim 6-9$. The resultant
evolution of the [CII] luminosity - halo mass relation is well described by a
double power law at high redshifts, with the best-fitting parameters in good
agreement with the results of simulations. The data favour secure detections of
the auto-power spectrum of [CII] at all redshifts with an enhanced Fred Young
Submillimetre Telescope (FYST)-like configuration. Such an experiment, along
with the Murchinson Widefield Array (MWA) will be able to measure the 21 cm -
[CII] cross-correlation power with a signal-to-noise ratio of a few tens to a
few hundreds. We find that a balloon-borne experiment improving upon the
Experiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM) should be
able to detect the 21 cm - [OIII] cross-correlation with the MWA and the Square
Kilometre Array (SKA)-LOW out to $z \sim 7$. Our results have implications for
constraining the evolution of luminous sources during the mid-to-end stages of
reionization.},
added-at = {2022-12-19T09:31:56.000+0100},
author = {Padmanabhan, Hamsa},
biburl = {https://www.bibsonomy.org/bibtex/23139b3118b954228b7dc5834764549a5/gpkulkarni},
description = {Synergizing 21 cm and sub-millimetre surveys during reionization: new empirical insights},
interhash = {a67b4f4862a663ea245942c85f9b4067},
intrahash = {3139b3118b954228b7dc5834764549a5},
keywords = {library},
note = {cite arxiv:2212.08077Comment: 13 pages, 7 figures, 3 tables},
timestamp = {2022-12-19T09:31:56.000+0100},
title = {Synergizing 21 cm and sub-millimetre surveys during reionization: new
empirical insights},
url = {http://arxiv.org/abs/2212.08077},
year = 2022
}