- 14 June 2018: Our upcoming review article, Hickox & Alexander 2018, "Obscured Active Galactic Nuclei", to appear in Annual Reviews of Astronomy & Astrophysics, Volume 56, is now available on the arXiv. An animated version of Figure 4, showing a schematic of AGN spectral energy distributions, is available here.
- 29 May 2018: Undergraduates Emily Golitzin '18 and Raphael Hviding '18 have successfully completed the defense of their Senior Honors Theses, both on spectroscopic studies of ionized gas regions in obscured AGN. Congratulations to both! And good luck to Raphael next year in graduate school at Arizona.
- 23 May 2018: Nine members of our group, including five graduate students and undergrad Emily Golitzin '18, traveled to Yale University to present at the 2018 New England Regional Quasar and AGN Meeting. Thanks to our colleagues at Yale for a stimulating and enjoyable day!
- 1 May 2018: Graduate student Mackenzie Jones has completed the defense of her Ph.D. thesis entitled "Where Do AGN Hide? Uncovering the Full Population of Growing Black Holes and their Host Galaxies and Halos". Congratulations Mackenzie!
- 23 April 2018: Graduate student McKinley Brumback has been awarded time on the X-ray space observatories NuSTAR and XMM-Newton for new observations of the X-ray pulsar Hercules X-1. Congratulations!
- 20 April 2018: A number of members of our group have been awarded AAS Intenational Travel grants to travel to the UK for the Dartmouth-Durham workshop on "Are AGN Special?" that we are co-organizing with our colleagues in Durham this summer.
- 12 December 2017: Graduate student McKinley Brumback has had her paper on NuSTAR observations of of the X-ray pulsar SAX J2103.5+4545 accepted for publication in The Astrophysical Journal. Congratulations McKinley!
- 12 December 2017: Undergraduate Raphael Hviding '18 was featured in a news article on the Dartmouth homepage for his work using SALT. The article also highlighted research by graduate student Meridith Joyce, who is completing her PhD with Prof. Brian Chaboyer and is collaborating with Dr. Shazrene Mohamed from the South African Astronomical Observatory.
- 12 November 2017: Graduate student Mackenzie Jones has won honorable mention for the Rodger Doxsey Travel Prize for the AAS Annual Meeting, where she will be presenting her Dissertation Talk. This is an extremely competitive award and great recognition of her work.
- 1 November 2017: Undergraduate Raphael Hviding '18 has had his paper on spectroscopy of heavily obscured quasars with SALT accepted for publication in MNRAS. Congratulations Raphael on your first paper!
- 11 September 2017: Our group's paper on SEDs and colors of obscured and unobscured quasars has been accepted for publication in ApJ.
- 11 September 2017: Graduate student Mackenzie Jones's paper on modeling AGN populations with semi-analytic models has been accepted for publication in ApJ.
- 1 July 2017: Prof. Ryan Hickox has been promoted to Associate Professor with tenure, and was awarded Dartmouth's Wetterhahn Memorial Award for Distinguished Scholarly or Creative Achievement. This is a nice recognition of the excellent work by all the members of our research group and collaborators around the world.
- 15 June 2017: Six members of our research group traveled to George Mason University in Virginia for a conference on Elusive AGN in the Next Era. The conference was well-organized by our colleagues Shobita Satyapal and Nathan Secrest, and we had an engaging and enjoyable week!
- 1 July 2017: Prof. Ryan Hickox has been promoted to Associate Professor with tenure, and was awarded the Wetterhahn Memorial Award for Distinguished Scholarly or Creative Achievement. This is a nice recognition of the great work by members of our research group and collaborators around the world.
- 7 June 2017: Congratulations to graduate student Mackenzie Jones, who has been awarded First Prize by the Neukom Prize for Outstanding Graduate Research in Computational Science for 2017, sponsored by Dartmouth's Neukom Institute. This is well-deserved recognition for her excellent thesis research.
- 22 May 2017: Undergraduate Meg Lane '17 successfully defended her honors thesis on "X-ray Spectral Modeling of Obscured AGN with Torus Models and Comparison to Mid-IR Emission". Congratulations Meg on her excellent thesis work and on graduation!
- 27 April 2017: Graduate students from our group recently presented their work at the Dartmouth Graduate Poster Session. Congratulations to McKinley Brumback (right), who received one of five awards for her poster on studies of X-ray pulsars with NuSTAR and XMM.
- 7 February 2017: Prof. Ryan Hickox was recently elected as a member of the American Astronomical Society Nominating Committee, which prepares slates of candidates for AAS offices. It will be a privilege to serve our professional society.
- 4 February 2017:
Former Dartmouth graduate student Chien-Ting Chen (now at Penn State) has recently had two papers accepted to The Astrophysical Journal in which he collaborated with our group: on the X-ray to infrared luminosity relationship in quasars, and on AGN in dwarf galaxies detected by NuSTAR. Congrats!
- 18 November 2016:
This week I traveled to the Smithsonian Castle in Washington, DC to attend a Face-To-Face of the Science and Technology Definition Team (STDT) for Lynx (previously X-ray Surveyor) a NASA mission concept study for the 2020 Decadal Survey. I am co-chairing the Science Working Group on the Evolution of Structure and AGN populations. This was followed by a trip to Pasadena, CA to present results at the NuSTAR Science Meeting 2016.
- 5 October 2016:
Postdoc Mike DiPompeo's latest paper on "A unifying evolutionary framework for infrared-selected obscured and unobscured quasar host haloes" has been accepted for publication in MNRAS. Congrats!
- 26 August 2016:
Graduate student Seth Cohen successfully defended his PhD thesis, on "Substructure and Star Formation in Galaxy Clusters". Congratulations Seth!
- 12 August 2016:
This week our group hosted the latest Dartmouth-Durham international workshop, on "The Hidden Monsters: Obscured AGN and Connections to Galaxy Evolution in the Era of NuSTAR and WISE". Approximately 100 AGN researchers from around the world (shown at right) came to Hanover to discuss studies of obscured AGN. A very exciting week for all!
- 26 July 2016:
This week I traveled to Cambridge, MA to attend the first meeting of the Science and Technology Definition Team (STDT) for X-ray Surveyor, a NASA mission concept study for the 2020 Decadal Survey. I am co-chairing the Science Working Group on the Evolution of Structure and AGN populations.
- 18 July 2016:
The Chandra Deep Wide-Field Survey (PI: Hickox, with an international team of Co-Is) has been approved as a Large Program for Chandra Cycle 18. CDWFS is a 1 million second program (the largest in this year's cycle) that will map a deep, wide area in the Bootes extragalactic survey field.
- 3 July 2016: Our research group, including graduate students Mackenzie Jones and Chris Carroll as well as undergraduates Parker Gardner '17, Meg Lane 17', and Raphael Hviding '18 traveled to Garching, Germany to present results at the workshop on "AGN: What's in a Name?" at the European Southern Observatory. Meg's travel was supported by Dartmouth's Rockefeller Center and she shared her experiences in this article.
- 5 May 2016: Graduate student Mackenzie Jones's paper on the intrinsic Eddington ratio distribution of narrow-line AGN in the SDSS survey, has been accepted to The Astrophysical Journal. Congratulations!
- 25 March 2016: Our group's paper on the narrow-line regions of a pair of merging AGN, led by former postdoc Kevin Hainline and using data from MDM Observatory, has been accepted to The Astrophysical Journal.
- 14 January 2016: I am delighted have been awarded an Faculty Early-Career Development (CAREER) grant from the National Science Foundation. This highly competitive award, with anticipated funding of $672,000 over five years, will fund research by our group on "The Hidden Monsters: Cosmic Evolution of Obscured Supermassive Black Holes" and will support our AstroConnect program connecting scientists to classrooms via video chat.
- 10 January 2016: Chris Carroll, McKinley Brumback, and Raphael Hviding '18 traveled to MDM Observatory on Kitt Peak in Arizona for a five-night run on the 2.4-meter Hiltner telescope, to observe ionized regions of interstellar gas around active galactic nuclei.
- 9 December 2015: Prof. Ryan Hickox had the great privilege of giving a talk on "The Hidden Monsters: Obscured AGN in the era of Chandra, NuSTAR, and WISE" at part of the Steve Murray seminar series (in memory of our mentor and collaborator Dr. Steve Murray) in the High Energy Astrophysics Division of the the Harvard-Smithsonian Center for Astrophysics.
- 15 November 2015: Postdoc Mike DiPompeo's paper on clustering and CMB lensing of WISE-selected quasars has been accepted to MNRAS. The latest set of papers on the NuSTAR Extragalactic Survey program have also been posted to arXiv (COSMOS catalog, ECDFS catalog, number counts, luminosity function).
- 12 November 2015: We successfully held our first order-of-magnitude estimation workshop (funded by the National Science Foundation) for 14 teachers from New Hampshire, Vermont, and Wyoming. Details and resources are available here.
- 15 October 2015: As part of our AstroConnect program, which brings astronomers into classrooms via video chat discussions, Prof. Hickox is delighted to be collaborating with Connect with STEM, serving as a Connector for Bronx Charter School for the Arts for the 2015-16 school year.
- 1 October 2015: Graduate student McKinley Brumback was recently featured in a Dartmouth Graduate Forum article, reflecting on her first year in the Ph.D. program.
- 20 September 2015: Undergraduate group member Raphael Hviding recently returned to campus after a summer spent running hands-on astronomy programs with the public in the White Mountains, as part of the Appalachian Mountain Club's Astronomy program, in collaboration with the Carthage College Institute of Astronomy.
- 15 September 2015: Postdoc Kevin Hainline has now moved on to a position at Steward Observatory at the University of Arizona, to join the team behind the NIRCam instrument on the James Webb Space Telescope. Best of luck Kevin, we're looking forward to launch in 2018! Meanwhile, our group is delighted to welcome postdoctoral researcher Mike DiPompeo, a long-time collaborator who will be focusing on studying the large-scale environments of obscured quasars with WISE and SDSS.
- 13 September 2015: Congratulations to graduate student Mackenzie Jones, who has been awarded a NASA MUREP ASTAR fellowship to support her graduate research on supermassive black holes and AGN demographics. For her fellowship will be collaborating with Dr. Ann Hornschemeier and Dr. Andy Ptak of Goddard Space Flight Center to study the X-ray characteristics of star-forming galaxies and AGN.
- 1 September 2015: Graduate student Chris Carroll attended the La Serena School for Data Science in La Serena, Chile. He had a great experience learning the latest techniques for handling large astronomical data sets and made contacts with astronomers from around the world.
- 4 June 2015:
Our group hosted the annual New England Regional Quasar and AGN Meeting at Dartmouth on Thursday June 4. The meeting was very stimulating and enjoyable; see the full meeting site for abstracts and photos from the meeting.
- 22 April 2015: Chien-Ting Chen has successfully defended his Ph.D. thesis titled "Supermassive Black Hole Accretion and Connections to Star Formation in Galaxies". He will be moving to Penn State this summer for a postdoctoral position with Prof. Niel Brandt focusing on data from NuSTAR. Congratulations Dr. Chen!
- 18 April 2015: Graduate student Seth Cohen's paper on star formation and
structure in galaxy clusters using SDSS and WISE data has been accepted
to The Astrophysical Journal. Congratulations to Seth on accepting a position as a
teacher of Astronomy and Physics at St. Paul's School in Concord, NH.
- 13 April 2015: Undergraduate Tom Whalen '14 (currently at the Chandra X-ray Center) has had his paper on X-ray emission from the dwarf starburst galaxy Henize 2-10 (right, image courtesy NASA/CXC) accepted to The Astrophysical Journal.
- 20 Jan 2015: Graduate student and Neukom Graduate Fellow Chien-Ting Chen's paper on the
connection between star formation and dust obscuration in quasars has
been accepted by The Astrophysical Journal.
- 8 Jan 2015: Group members Ryan Hickox, Kevin Hainline, and Chien-Ting Chen traveled to the AAS Annual Meeting in Seattle from 5 to 8 January. Hickox and Hainline gave contributed talks, and Chen presented a disseration talk that was very well attended.
- 5 Dec 2014: Our paper on the molecular outflow in a compact star-forming galaxy (Geach et al. 2013, image at right) has been published in Nature. This result has received some nice press, including articles from Dartmouth Now, National Geographic and the Australian Broadcasting Corporation (along with accompanying podcast).
- 1 Nov 2014: We are currently seeking candidates for a postdoctoral position starting September 2015, to work on observational studies of the cosmological evolution of supermassive black holes and galaxies. The application deadline is 2 January 2015. For details and application instructions please click here.
- 16 Aug 2014: Postdoc Kevin Hainline's paper on our SALT spectroscopic survey of WISE-selected obscured quasars has been accepted by The Astrophysical Journal.
- 3 Aug 2014: Our group traveled to Durham, UK to help run and present our work at the workshop on AGN v. Star Formation" (Group members from left to right: Chen, Hickox, Carroll, Hainline, Jones.)
- 3 Jun 2014: Graduate student Chien-Ting Chen has been named a Neukom Graduate Fellow for 2014-15. The Neukom Institute for Computational Science will fund the last year of his graduate thesis research on the connection between star formation and AGN activity in galaxies.