The 10 Mpc Volume
Abstract
Accurate distances are now known for most unobscured galaxies brighter than MB = -13 mag within 10 Mpc from Hubble Space Telescope observations of their luminous stars. Complementary mid-infrared observations with the Wide-field Infrared Explorer provide global stellar mass estimates for these galaxies. Consequences are detailed knowledge of the properties of the Universe in a volume-limited space. Galaxies tend to lie within groups, within filaments. The filaments experience bulk motions in response to well defined gravitational attractors such as the Virgo Cluster and repulsors such as the Local Void. The groups are inevitably dominated by a single galaxy, with 10 galaxies between one and nine Mpc containing most of the stellar mass within the sample. There is a curious lack of galaxies in an interval fainter than these dominant galaxies. The dominant galaxies in halos tend to have gas reservoirs and ongoing star formation, a property extending to dwarf galaxies in separate halos. Secondary galaxies in halos are frequently gas depleted and lack evidence of star formation. With one notable exception, all galaxies in the complete sample have well formed red giant branches indicative of early-onset star formation.
BibTeX
@misc{tully2026volume,
title = {{The 10 Mpc Volume}},
author = {R. Brent Tully and Gagandeep S. Anand and Helene M. Courtois and Igor D. Karachentsev and Valentina E. Karachentseva and Ehsan Kourkchi and Dmitry I. Makarov and Lidia N. Makarova and Daniel Pomarede and Edward J Shaya},
howpublished = {arXiv},
year = {2026},
month = nov,
doi = {10.48550/arxiv.2611.07284},
eprint = {2611.07284},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2611.07284},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - The 10 Mpc Volume
AU - R. Brent Tully
AU - Gagandeep S. Anand
AU - Helene M. Courtois
AU - Igor D. Karachentsev
AU - Valentina E. Karachentseva
AU - Ehsan Kourkchi
AU - Dmitry I. Makarov
AU - Lidia N. Makarova
AU - Daniel Pomarede
AU - Edward J Shaya
PY - 2026
DA - 2026/11/05
PB - arXiv
DO - 10.48550/arxiv.2611.07284
UR - https://arxiv.org/abs/2611.07284
AB - Accurate distances are now known for most unobscured galaxies brighter than MB = -13 mag within 10 Mpc from Hubble Space Telescope observations of their luminous stars. Complementary mid-infrared observations with the Wide-field Infrared Explorer provide global stellar mass estimates for these galaxies. Consequences are detailed knowledge of the properties of the Universe in a volume-limited space. Galaxies tend to lie within groups, within filaments. The filaments experience bulk motions in response to well defined gravitational attractors such as the Virgo Cluster and repulsors such as the Local Void. The groups are inevitably dominated by a single galaxy, with 10 galaxies between one and nine Mpc containing most of the stellar mass within the sample. There is a curious lack of galaxies in an interval fainter than these dominant galaxies. The dominant galaxies in halos tend to have gas reservoirs and ongoing star formation, a property extending to dwarf galaxies in separate halos. Secondary galaxies in halos are frequently gas depleted and lack evidence of star formation. With one notable exception, all galaxies in the complete sample have well formed red giant branches indicative of early-onset star formation.
ER -