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  • Biographical Description & News

  • News, Sept. 2021: Retired Prof., Emeritus status.  Voicemail messages at 303-871-2238.

    Web Sites:

    Dr. Stencel was the first William Herschel Womble professor of Astronomy (1994-2021) at the University of Denver,  and Director of DU Observatories - including DU's historic Chamberlin Observatory [1894, ], Meyer-Womble Observatory, located at 14,148 ft elev on Mt.Evans, Colorado [dev. 1972/1996, ] and the Student Astronomy Lab, commissioned on campus in 2004 and improved in 2012.

    Some of his course offerings included:
    21st century Physics & Astronomy [PHYS 1011/1012/1013]
    Astrophysical Theory [PHYS2051/2/3] & Astronomical Methods [PHYS2061/2/3]    Observational Astrophysics [PHYS3252]
    Natural Optics [PHYS 2830]
    Environmental and Social Consequences of Artificial Light [HNRS2400]
    Archaeo-Astronomy [HNRS2400]
    First Year Seminar(s)
    Independent Study/Research [PHYSx991/5]

    Nuclear and Particle Physics and Astrophysics - spring 2019
    plus graduate-level astronomy/astrophysics classes [PHYS4251,4995,5995...].


  • Curriculum Vitae

  • 2021 Final DU era CV

  • HangingWithKepler.jpg

    Hanging with my buddies Tycho Brahe and Johannes Kepler in Prague (2006 IAU).

  • Stephen Hawking.jpg
    Stephen Hawking.jpg

    Hanging with Stephen Hawking (1998, Dallas)

  • Dept.Biz

  • MOTIONS PASSED, 7/3/06 faculty meeting: 1. Faculty meetings shall occur on the third Wednesday of each month during the academic year, but this does not exclude options for meeting at other times. 2. Motions passed and agendae shall be recorded.
  • Selected Publications

  • 2018 MESA models of the evolutionary state of the interacting binary epsilon Aurigae

    Monthly Notices of the Royal Astronomical Society, Volume 476, Issue 4, p.5026-5031.


  • 2015 Astron.Journal March (click here)

    Transient Carbon Monoxide (CO) Absorption and Persistent Brackett Alpha (BrA) Emission in the Infrared Spectrum of epsilon Aurigae -- published as:

    2015 Astronomical Journal vol. 149, article #109, March - access via: 

  • ApJ502148p12.pdf

    2015 Jan.1 Astrophysical Journal report - Pearson and Stencel - on using thermal constraints to model the disk system in epsilon Aurigae, and other double stars with disk(s).

  • epsilon Aurigae-an Overview of the 2009-2011 Eclipse Campaign Results
  • IRstudyEpsAurEclipse.pdf

    Accepted 2011 Sept for publication in the Astronomical Journal next spring.

    This paper was nearly 20 years in the making, including data acquired during the mid-1990s at the Wyoming IR telescope, plus newer data during the 2010 eclipse at the NASA IRTF, Spitzer Space Telescope and other sources.

  • IR results on epsilon Aurigae, Jan.2011

  • 2010.05.3738Mid-Eclipse.pdf

    Mid-eclipse report, epsilon Aurigae 2010

  • 2010.04.2464v1MIRC.pdf

    Interferometric imaging of epsilon Aur's dark disk during ingress, 2009 (Nature)

  • 2010.03.3617Rings.pdf

    Structure in the disk of epsilon Aurigae, 2010.

  • 2010.03.3694v1HHS.pdf

    Spectral Energy Distirbution of epsilon Aurigae

    Hoard, Howell & Stencel, 2010 Astrophysical Journal

  • epsAurCampaign2009

  • Epsilon Aurigae, Mysterious Star System (2008)

    A book by Jeffrey L Hopkins and Robert E Stencel, anticipating the start of the 2009-2011 eclipse epoch.  ISBN 978-0-615-24022-0.  Draft version.

  • EpsAurCampaign2008.pdf

  • ApJL582.pdf

  • Aerosols in Astrophysics

  • 2006NHLPaperRev4.pdf

    Archaeoastronomical analysis of the ancient Chinese site Niuheliang
  • JournalClub.doc

    suggested sources for astrophys articles
  • DU's historic Chamberlin Observatory

    Denver's Great Telescope, by C.Stencel & R.Stencel, 2006 is a richly-illustrated 100 page introduction to the telescope and history of the original DU observatory, 1894. Ordering info at the link provided.

  • NASAcp2384.pdf

    Conference proceedings 1985 held in Tucson, AZ - The 1982-1984 Eclipse of Epsilon Aurigae, edited by R.E.Stencel, NASA Conference Publication 2384, DC.

  • 1976AngkorWatAstron.pdf

    Archaeo-astronomy at Angkor Wat, Cambodia (1976 Science)

  • Research

  • Photometry of epsilon Aur 2006.pdf

  • S240epsAurstencel.pdf

    IAU binary stars symposium report, 2006 Aug.
  • Gallery

  • Mt.Evans Science History

  • Planet 10.doc

    MWO images of Xena "the warrior planet"
  • Mars observations.doc

    Mars during perihelion, summer 2003
  • HawaiiPoster_04.pdf

  • WMAP.ppt

    Info about the WMAP cosmology project

This portfolio last updated: 13-Feb-2022 7:16 AM