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Cited by 271

The DOI matches its Crossref record; 110 of the 110 references it cites were found in a registry or an index.

CHARACTERIZING THE CIRCUMGALACTIC MEDIUM OF NEARBY GALAXIES WITH HST/COS AND HST/STIS ABSORPTION-LINE SPECTROSCOPY

Open access
Stocke, John T., Keeney, Brian A., Danforth, Charles W., Shull, J. Michael, Froning, Cynthia S., Green, James C., Penton, Steven V., Savage, Blair D.·2013·The Astrophysical Journal
DOI 10.1088/0004-637x/763/2/148
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Abstract

The circumgalactic medium (CGM) of late-type galaxies is characterized using UV spectroscopy of 11 targeted QSO/galaxy pairs at z ⩽ 0.02 with the Hubble Space Telescope Cosmic Origins Spectrograph (COS) and ∼60 serendipitous absorber/galaxy pairs at z ⩽ 0.2 with the Space Telescope Imaging Spectrograph. CGM warm cloud properties are derived, including volume filling factors of 3%–5%, cloud sizes of 0.1–30 kpc, masses of 10–10 8 M ☉ , and metallicities of ∼0.1–1 Z ☉ . Almost all warm CGM clouds within 0.5 R vir are metal-bearing and many have velocities consistent with being bound, "galactic fountain" clouds. For galaxies with L ≳ 0.1 L *, the total mass in these warm CGM clouds approaches 10 10 M ☉ , ∼10%–15% of the total baryons in massive spirals and comparable to the baryons in their parent galaxy disks. This leaves ≳ 50% of massive spiral-galaxy baryons "missing." Dwarfs (<0.1 L *) have smaller area covering factors and warm CGM masses (⩽5% baryon fraction), suggesting that many of their warm clouds escape. Constant warm cloud internal pressures as a function of impact parameter ( P / k ∼ 10 cm −3 K) support the inference that previous COS detections of broad, shallow O vi and Lyα absorptions are of an extensive (∼400–600 kpc), hot ( T ≈ 10 6 K), intra-cloud gas which is very massive (⩾10 11 M ☉ ). While the warm CGM clouds cannot account for all the "missing baryons" in spirals, the hot intra-group gas can, and could account for ∼20% of the cosmic baryon census at z ∼ 0 if this hot gas is ubiquitous among spiral groups.

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Metadata

Authors
Stocke, J. T., Keeney, B. A., Danforth, C. W., Shull, J. M., Froning, C. S., Green, J. C., Penton, S. V., & Savage, B. D.
Venue
The Astrophysical Journal
Publisher
American Astronomical Society
Published
2013-01-17
Volume
763
Issue
2
Pages
148
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
DOI
10.1088/0004-637x/763/2/148
OpenAlex
W1979958629
Cited by
271
References
110
FWCI
14.59
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: CHARACTERIZING THE CIRCUMGALACTIC MEDIUM OF NEARBY GALAXIES WITH HST/COS AND HST/STIS ABSORPTION-LINE SPECTROSCOPY. https://app.cochat.ai/papers/10.1088/0004-637x/763/2/148
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Stocke, J. T., Keeney, B. A., Danforth, C. W., Shull, J. M., Froning, C. S., Green, J. C., Penton, S. V., & Savage, B. D. (2013). CHARACTERIZING THE CIRCUMGALACTIC MEDIUM OF NEARBY GALAXIES WITH HST/COS AND HST/STIS ABSORPTION-LINE SPECTROSCOPY. The Astrophysical Journal. https://doi.org/10.1088/0004-637x/763/2/148

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