Haro 11, Pox 186, and VCC 1313: The Enigmatic Behavior of HI Non-Emitters

We present neutral hydrogen (HI) observations from the Very Large Array (VLA) telescope of the galaxies Haro 11, Pox 186, and VCC 1313. 24 hours of deep spectral line observation at the 21 cm line were obtained from the program 17B-287 of Haro 11, the primary galaxy studied in this capstone, and 176 and 203 respective minutes of archival VLA data at the 21 cm line were obtained from the program AS0832 of Pox 186 and VCC 1313, the secondary and tertiary sources of study for this capstone. Haro 11 is one of a very small number of local dwarf galaxies to be both a Lyα and LyC emitter. While it harbors ongoing aggressive star formation (with sources reporting up to 32.8 M☉ yr-1), the neutral hydrogen gas in the system has been notoriously difficult to detect. Previous interferometric observations have resulted in non-detections, while a deep Green Bank Telescope (GBT) spectrum reveals a weak spectral line. Our emission result is a non-detection, while our absorption result is a detection, confirming the results of similar, previously conducted absorption work. Past interferometric research has additionally resulted in HI non-detections for both Pox 186 and VCC 1313. Our results from archival data are also two HI non-detections, confirming the results of past research. For all three systems, given their aggressive star formation rates, these HI non-detection results are surprising. The behavior of these systems remains highly enigmatic

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Letter from W[illia]m H. Taft to John Muir, 1910 Feb 19.

THE WHITE HOUSEWASHINGTONFebruary 19, 1910My dear John Muir:I have yours of February 12th and thank you for writing it. I am afraid that I can not get away for Alaska this year; that I must postpone it until the short session of Congress, next year However, whenever I go I hope I can have your company.Sincerely yours,[Illegible]John Muir, Esq.,Martinez, California0470

Letter from W[illia]m H. Taft to John Muir, 1911 Apr 6.

THE WHITE HOUSEWASHINGTONApril 6, 1911.My dear John Muir:I have your letter of March 31st. We will see if we can prevent any injustice being done in the matter. No action will be taken until the Commission of Army Engineers has sent in its report. You can be sure of that.Very sincerely yours,[illegible]John Muir, Esq.,Martinez, Cal.0499

Letter from W[illia]m H. Taft to John Muir, 1910 Jan 14.

THE WHITE HOUSEWASHINGTONJanuary 14, 1910.My dear Dr. Muir:I have your kind letter of January 8th and thank you sincerely for the good will and good wishes and personal confidence that it shows. I an passing through rather a strenuous time, but I hope that in the end pounding away along the right path will prove to be the best course politically. Whether it does or not, it is certain to be the best course for one\u27s own comfort.If I go to Alaska this year it would gratify me very much to have you join me at Seattle and take the trip around. I am not sure that I can make the trip, as I am afraid Congress may be in session too late. But it would double the pleasure of the trip for Mrs. Taft and me if you could go.Sincerely yours,[Illegible]Dr. John Muir,Martinez, California.0468