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Aims. The main goal of this paper is to derive observational constraints on the halo mass fuction (HMF) by performing a tomographic analysis of the magnification bias signal on a sample of background submillimeter galaxies. The results can…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-15 M. M. Cueli , L. Bonavera , J. Gonzalez-Nuevo , D. Crespo , J. M. Casas , A. Lapi

Accurately predicting the shape of the HI velocity function of galaxies is regarded widely as a fundamental test of any viable dark matter model. Straightforward analyses of cosmological $N$-body simulations imply that the $\Lambda$CDM…

Astrophysics of Galaxies · Physics 2019-08-14 G. Chauhan , C. D. P. Lagos , D. Obreschkow , C. Power , K. Oman , P. J. Elahi

Identifying the electromagnetic counterparts of gravitational wave (GW) sources detected by upcoming networks of advanced ground-based interferometers will be challenging due in part to the large number of unrelated astrophysical transients…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Brian D. Metzger , David L. Kaplan , Edo Berger

We use the catalogue of 4315 extragalactic HI 21-cm emission line detections from HIPASS to calculate the most accurate measurement of the HI mass function (HIMF) of galaxies to date. The completeness of the HIPASS sample is well…

Astrophysics · Physics 2009-11-10 M. A. Zwaan , M. J. Meyer , L. Staveley-Smith , R. L. Webster

We present the first HI mass function (HIMF) measurement for the recent FAST All Sky HI (FASHI) survey and the most complete measurements of HIMF in the local universe thus far. We obtained these results by combining the HI catalogues from…

Astrophysics of Galaxies · Physics 2025-03-28 Wenlin Ma , Hong Guo , Haojie Xu , Michael G. Jones , Chuan-Peng Zhang , Ming Zhu , Jing Wang , Jie Wang , Peng Jiang

The distribution of galaxies, halo abundance, and peculiar velocities are influenced by non-linear gravitational interactions, making the study of non-linear evolution crucial for accurate cosmological predictions. We explore these aspects…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-24 Swati Gavas

Making use of HI 21 cm line measurements from the ALFALFA survey (alpha.40) and photometry from the Sloan Digital Sky Survey (SDSS) and GALEX, we investigate the global scaling relations and fundamental planes linking stars and gas for a…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Shan Huang , Martha P. Haynes , Riccardo Giovanelli , Jarle Brinchmann

Aims. The main purpose of this work is to provide a method to derive tabulated observational constraints on the halo mass function (HMF) by studying the magnification bias effect on high-redshift submillimeter galaxies. Under the assumption…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-09 M. M. Cueli , L. Bonavera , J. González-Nuevo , A. Lapi

We examine the global properties of the stellar and HI components of 229 low HI mass dwarf galaxies extracted from the ALFALFA survey, including a complete sample of 176 galaxies with HI masses < 10^{7.7} M_sun and HI line widths < 80 km…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 S. Huang , M. P. Haynes , R. Giovanelli , J. Brinchmann , S. Stierwalt , S. G. Neff

The HI mass function is a crucial tool to understand the evolution of the HI content in galaxies over cosmic times. We aim to derive semi-empirical constraints at $z\sim 0.37$ by combining literature results on the $M_\star$ function from…

An HI mass function (HIMF) was derived for 751 galaxies selected from the deep Parkes HI survey across the Zone of Avoidance (HIZOA). HIZOA contains both the Great Attractor Wall and the Local Void, two of the most extreme environments in…

Astrophysics of Galaxies · Physics 2019-04-17 Khaled Said , Renée C. Kraan-Korteweg , Lister Staveley-Smith

Using constrained simulations of the local Universe for generic cold dark matter and for 1keV warm dark matter, we investigate the difference in the abundance of dark matter halos in the local environment. We find that the mass function…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-24 J. Zavala , Y. P. Jing , A. Faltenbacher , G. Yepes , Y. Hoffman , S. Gottlober , B. Catinella

[Abridged] We present new measurements of the H-alpha luminosity function (LF) and SFR volume density for galaxies at z~0.8. Our analysis is based on 1.18$\mu$m narrowband data from the NEWFIRM H-alpha Survey, a comprehensive program…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-28 Chun Ly , Janice C. Lee , Daniel A. Dale , Ivelina Momcheva , Samir Salim , Shawn Staudaher , Carolynn A. Moore , Rose Finn

Future galaxy surveys will map the galaxy distribution in the redshift interval $0.5<z<2$ using near-infrared cameras and spectrographs. The primary science goal of such surveys is to constrain the nature of the dark energy by measuring the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Alvaro Orsi , C. M. Baugh , C. G. Lacey , A. Cimatti , Y. Wang , G. Zamorani

We present the most precise measurement of the $z = 0$ HI mass function (HIMF) to date based on the final catalogue of the ALFALFA (Arecibo Legacy Fast ALFA) blind HI survey of the nearby Universe. The Schechter function fit has a `knee'…

Astrophysics of Galaxies · Physics 2018-03-14 Michael G. Jones , Martha P. Haynes , Riccardo Giovanelli , Crystal Moorman

The conformity effect, indicating the evolution of a galaxy is related to its surrounding neighbour galaxies as far as a few Mpc, is an interesting phenomenon in the modeling of galaxy and evolution. Here we study the conformity effect of…

Astrophysics of Galaxies · Physics 2021-03-31 Lincheng Li , Bo Qin , Jie Wang , Jing Wang , Yougang Wang

For the last 25 years, the 21 cm line has been used productively to investigate the large-scale structure of the Universe, its peculiar velocity field and the measurement of cosmic parameters. In February 2005 a blind HI survey that will…

Astrophysics · Physics 2007-07-24 Riccardo Giovanelli

We present a modified optical luminosity--HI mass bivariate luminosity function (BLF) based on HI line observations from the Nan\c{c}ay Interstellar Baryons Legacy Extragalactic Survey (NIBLES), including data from our new, four times more…

Astrophysics of Galaxies · Physics 2020-10-21 Zhon Butcher , Wim van Driel , Stephen Schneider

The Arecibo Legacy Fast ALFA (ALFALFA) survey is a program aimed at obtaining a census of HI-bearing objects over a cosmologically significant volume of the local universe. When complete in ~3-4 years, it will cover 7000 square degrees of…

Astrophysics · Physics 2009-11-13 Martha P. Haynes , the ALFALFA Team

The future space missions Euclid and WFIRST-AFTA will use the Halpha emission line to measure the redshifts of tens of millions of galaxies. The Halpha luminosity function at z>0.7 is one of the major sources of uncertainty in forecasting…

Astrophysics of Galaxies · Physics 2016-05-04 L. Pozzetti , C. M. Hirata , J. E. Geach , A. Cimatti , C. Baugh , O. Cucciati , A. Merson , P. Norberg , D. Shi