Skip to main content
We gratefully acknowledge support from the Simons Foundation, member institutions, and all contributors. Donate
arXiv logo
Cornell University Logo

Astrophysics

arXiv:astro-ph/0004033 (astro-ph)
[Submitted on 4 Apr 2000 (v1), last revised 15 Jun 2001 (this version, v2)]

Title:Status of HI searches for CHVCs beyond the Local Group

Authors:Robert Braun (NFRA), W. Butler Burton (Leiden Univ.)
View PDF
Abstract: Growing evidence supports the suggestion that the compact high-velocity clouds of HI (CHVCs) are located throughout the Local Group and continue to fuel galactic evolution. Recent distance estimates to individual objects lie in the range 150-850 kpc, implying an HI mass range of 10^5.7 to 10^7.2 M_Sun together with sizes ranging from 2-12 kpc, while the average linewidth is 30 km/s FWHM. It is natural to ask whether objects of this type would not already have been seen by current blind HI surveys of the extragalactic sky. We consider the properties of the deepest published surveys of this type and conclude that the sensitivity and coverage have now begun to reveal the high mass end of the distribution (M_HI >10^7 M_Sun). Achieving detection limits an order of magnitude deeper should finally enable direct study of these systems beyond the Local Group, or definitively rule out their existence.
Comments: 8 pages, accepted in A&A, major changes and extensions over earlier version
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0004033
  (or arXiv:astro-ph/0004033v2 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0004033
Related DOI: https://doi.org/10.1051/0004-6361%3A20010810

Submission history

From: Robert Braun [view email]
[v1] Tue, 4 Apr 2000 06:50:01 UTC (17 KB)
[v2] Fri, 15 Jun 2001 11:41:35 UTC (16 KB)
Full-text links:

Access Paper:

  • View PDF
  • TeX Source
  • Other Formats
view license
Current browse context:
astro-ph
< prev   |   next >
new | recent | 2000-04

References & Citations

export BibTeX citation

Bookmark

BibSonomy logo Reddit logo

Bibliographic and Citation Tools

Bibliographic Explorer (What is the Explorer?)
Connected Papers (What is Connected Papers?)
Litmaps (What is Litmaps?)
scite Smart Citations (What are Smart Citations?)

Code, Data and Media Associated with this Article

alphaXiv (What is alphaXiv?)
CatalyzeX Code Finder for Papers (What is CatalyzeX?)
DagsHub (What is DagsHub?)
Gotit.pub (What is GotitPub?)
Hugging Face (What is Huggingface?)
Papers with Code (What is Papers with Code?)
ScienceCast (What is ScienceCast?)

Demos

Replicate (What is Replicate?)
Hugging Face Spaces (What is Spaces?)
TXYZ.AI (What is TXYZ.AI?)

Recommenders and Search Tools

Influence Flower (What are Influence Flowers?)
CORE Recommender (What is CORE?)
IArxiv Recommender (What is IArxiv?)

arXivLabs: experimental projects with community collaborators

arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website.

Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them.

Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.

Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)