A New Catalog of Diffuse Interstellar Bands

Slides:

Advertisements

Similar presentations

Epsilon Aurigae and Teaching Spectroscopy Sally Seebode Teacher San Mateo High School Graphic from Stencil, R., Sky & telescope, July 2009.

Advertisements

Iron Star AS 325: An Unusual Emission Line Eclipsing Binary Jill Gerke (NOAO, University of Arizona), Steve B. Howell (WIYN, NOAO), Sebastian Otero (CEA),

Chromospheric Variability in Early F- type Stars Dillon R. Foight Dr. Brian Rachford Embry-Riddle Aeronautical University April 18, 2009.

A Search for C 4 and C 5 in the (Molecular) Carbon-Rich Sightline toward HD Máté Ádámkovics (UC Berkeley), Geoffrey A. Blake (Caltech), Ben McCall.

OU & APO John Wisniewski Department of Physics & Astronomy University of Oklahoma APO 20 th Anniversary.

REDDENING Nancy Elias de la Rosa. OUTLINE  Interstellar reddening  Extinction law – Cardelli et al.  Reddening in SNIa  Photometric methods  Spectroscopic.

SN1014J in M82 A Pseudo-GOTOQ and what we can learn with really big telescopes and DIBs about QSOALS Donald G. York, Dan Welty, Jiaqi Jiang University.

Is the Sodium Na D line useful? Marcel Bergmann Bo Milvang-Jensen.

APO and Diffuse Interstellar Bands Donald G. York University of Chicago APO 20 th (30 th ?) reunion May 12, 2014.

Eric Y. Hsiao University of Victoria.  less dust extinction  low redshift  standard candles in JHK bands  independent measure of Hubble constant 

Observational techniques meeting #9. Spectroscopy.

Spectra of different kinds of celestial objects Makemake.

ECLIPSING BINARIES IN OPEN CLUSTERS John Southworth Dr Pierre Maxted Dr Barry Smalley Astrophysics Group Keele University.

1 Non-linear Effects of Atmospheric Extinction on Observations in Astronomy Frédéric Zagury Institut Louis de Broglie Paris - France.

H3+H3+. Search for hot and bright stars for H 3 + spectroscopy Near the Galactic center Takeshi Oka Department of Astronomy and Astrophysics and Department.

October, 1970 H2S2H2S2 March 28-31, 1966, APS Durham, NC April 22, 1966, Invitation to give a seminar.

CH +, CH, and CN Emission from the Red Rectangle Lewis M. Hobbs, Julie A. Thorburn, D. G. York, Takeshi Oka, Department of Astronomy and Astrophysics,

HD , the C 2, C 3 rich sightline. The C 2 Diffuse Interstellar Bands Takeshi Oka Department of Astronomy and Astrophysics And Department of Chemistry.

Pedro GARCIA-LARIOPlanetary Nebulae as Astronomical Tools / Gdańsk, June 28/July , Page 1 o The use of PNe precursors in the study of Diffuse Interstellar.

Absorption line survey toward the Galactic center II Miwa Goto Max-Planck-Institut fuer Astronomie Heidelberg, Germany contribution from Subaru to the.

On the discovery of the diffuse interstellar bands by Benjamin J. McCall, and R. Elizabeth Griffin Proceedings A Volume 469(2151): March 8, 2013.

Modeling Linear Molecules as Carriers of the 5797 and 6614 Å Diffuse Interstellar Bands Jane Huang, Takeshi Oka 69 th International Symposium on Molecular.

The Origins of Hot Subdwarf Stars as Illuminated by Composite- Spectrum Binaries Michele A. Stark (Penn State University) Advisor: Richard A. Wade Thursday.

The Nearly Perfect Correlation between the Diffuse Interstellar Bands λλ and Ben McCall Department of Chemistry and Department of Astronomy.

Spectral Line Surveys with the CSO Susanna L. Widicus Weaver, Department of Chemistry, Emory University Matthew Sumner, Frank Rice, Jonas Zmuidzinas, Department.

Molecular Interstellar Absorption toward the Pleiades Star Cluster Adam Ritchey Department of Physics & Astronomy University of Toledo June 21, 2006.

Analysis of HST/STIS absorption line spectra for Perseus Molecular Cloud Sightlines Authors: C. Church (Harvey Mudd College), B. Penprase (Pomona College),

November 6, 2010 MWAM 2010 University of Illinois1 The ortho:para ratio of H 3 + in diffuse molecular clouds Kyle N. Crabtree, Nick Indriolo, Holger Kreckel,

Thessaloniki, Oct 3rd 2009 Cool dusty galaxies: the impact of the Herschel mission Michael Rowan-Robinson Imperial College London.

Deep Chandra image in the Boötes Field Junxian Wang Johns Hopkins University.

FC10; June 25, 2010Image credit: Gerhard Bachmayer Constraining the Flux of Low- Energy Cosmic Rays Accelerated by the Supernova Remnant IC 443 N. Indriolo.

Continuous-Wave Cavity Ringdown Study of the 14 N 2 + Meinel System 2-1 Band and the First Positive Band System of N 2 * Departments of Chemistry and Astronomy,

Further studies of λ Diffuse Interstellar Band Takeshi Oka, Lew M. Hobbs, Daniel E. Welty, Donald G. York Department of Astronomy and Astrophysics,

Tom Geballe (Gemini-N) THE DIFFUSE INTERSTELLAR BANDS – A BRIEF REVIEW Pacific Rim Conference on Stellar Astrophysics, Hong Kong, 17 December 2015 OUTLINE.

The anomalous DIBs in the spectrum of Herschel 36 II. Analysis of radiatively excited CH +, CH, and diffuse interstellar bands Takeshi Oka, Daniel E. Welty,

The anomalous DIBs in the spectrum of Herschel 36 II. Analysis of radiatively excited CH +, CH, and diffuse interstellar bands Takeshi Oka, Daniel E. Welty,

Analysis of Anomalous DIBs in the Spectrum of Herschel 36 Takeshi Oka, Daniel E. Welty, Sean Johnson, Donald G. York, Julie Dahlstrom, and Lew Hobbs Department.

Finding Black Hole Systems in Nearby Galaxies With Simbol-X Paul Gorenstein Harvard-Smithsonian Center for Astrophysics.

Tyler P. Troy, Scott H. Kable, Timothy W. Schmidt Department of Chemistry, University of Sydney Scott A. Reid Department of Chemistry, Marquette University.

Diffuse Interstellar Bands, Atoms, and Small Molecules

Searching for Vibronic Progressions in the Diffuse Interstellar Bands via Agglomerative Clustering Jane Huang Astro 193 Final Project Spring 2015.

Tobias Jogler Max – Planck Institut für Physik The MAGIC view of our Galaxy Tobias Jogler for the MAGIC Collaboration.

June 19, 2008University of Illinois at Urbana-Champaign 1 Constraining the Low-Energy Cosmic Ray Spectrum Nick Indriolo, Brian D. Fields, Benjamin J. McCall.

(Figure provided by Adolf Witt) MBM12 Interstellar Cloud Studied 13 stars around Made of dust and gas ~100x50 pc.

The Enigmatic Diffuse Interstellar Bands: A Reservoir of Organic Material Ben McCall Department of Chemistry and Department of Astronomy University of.

Dave Meyer Northwestern University Optical/UV Absorption Line Observations of Small-Scale Interstellar Structure.

Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) Project: Spectroscopic Analyses of the First ~80 Stars 5 May 2010 Julie Krugler.

Peter Sarre Alessandra Candian, Markus Hammonds, Tom Kerr,

Characterizing Sky Spectra from SDSS BOSS Data

Dong Li Purple Mountain Observatory, CAS

Table 1. Details of the HST WFPC2 imaging and WHT ISIS spectroscopy presented in this paper. The F656N filter has central wavelength λ6560 Å and a FWHM.

Theodore P. Snow Nicholas Betts Meredith Drosback Veronica Bierbaum

Extragalactic Archaeology

Nature and spectral variation of B-type emission-line stars with compact dusty envelopes: HD 85567 and AS 386 Khokhlov Serik.

A Green Bank Telescope Search for ortho-benzyne (o-C6H4) in CRL 618

CH+ spectrum and diffuse interstellar bands

Mitsunori ARAKI, Hiromichi WAKO, Kei NIWAYAMA and Koichi TSUKIYAMA○

arXiv: OBSERVATIONS AND ANALYSIS

Nick Indriolo1, Thomas R. Geballe2, Takeshi Oka3, and Benjamin J

Tokyo Univ. Science Mitsunori Araki, Yuki Matsushita, Koichi Tsukiyama

Can We Use Metastable Helium to Trace the Cosmic-Ray Ionization Rate?

Probing Cosmic-Ray Acceleration and Propagation with H3+ Observations

Can We Use Metastable Helium to Trace the Cosmic-Ray Ionization Rate?

Investigating the Cosmic-Ray Ionization Rate in the Galactic Interstellar Medium through Observations of H3+ Nick Indriolo,1 Ben McCall,1 Tom Geballe,2.

Diffuse Interstellar Bands: HD

Morphology of the Galactic center from the H3+ spectrum:

International Symposium on Molecular Spectroscopy

Nuclear spin of H3+ in diffuse molecular clouds

Binary star systems redshift.

HASMIK ANDREASYAN Tigran Magakian Tigran Movsessian Mkrtich Gevorgyan

Presentation transcript:

A New Catalog of Diffuse Interstellar Bands Lewis M. Hobbs Yerkes, U. Chicago Donald G. York U. Chicago Theodore P. Snow U. Colorado Takeshi Oka U. Chicago Julie A. Thorburn Yerkes, U. Chicago Michael Bishof U. Chicago Scott D. Friedman STScI Benjamin J. McCall U. Illinois Brian Rachford Embry-Riddle Paule Sonnentrucker Johns Hopkins Daniel E. Welty U. Chicago

B. J. McCall, in preparation Discovery of the DIBs 5780, 5797 seen as unidentified bands  Per,  Leo (Mary Lea Heger, Lick, 1919) Broad (“diffuse”) “Stationary” (interstellar) B. J. McCall, in preparation

A Growing Problem Tuairisg et al. 2000 Jenniskens & Desert 1994 This work Jenniskens & Desert 1994 Merrill & Wilson 1938 Merrill & Wilson 1960 Herbig 1988 Herbig 1975 Herbig 1966 Heger 1919

The APO DIB Survey Apache Point Observatory 3.5-meter 3,600–10,200 Å ; / ~ 37,500 (8 km/s) 119 nights, from Jan 1999 to Jan 2003 S/N (@ 5780Å) > 500 for 160 stars (115 reddened) Measurements & analysis still underway

Echelle Image Fraunhofer Lines H: Ca II ~ 3968 Å K: Ca II ~ 3934 Å K H D: Na I ~ 5890 Å A: O2 ~ 7650 Å K H D A

Stellar Spectra HD 50064 EB-V = 0.84 Cyg OB2 #12 EB-V = 3.2 C F B D A KH A Cyg OB2 #12 EB-V = 3.2

Previous Columbus Talks 1999 – RF09 2001 – WH02 2002 – TD08 2002 – TD09 2003 – RA02 2003 – RA03 2003 – RA04 2003 – RA05 2004 – RI06 2005 – RF02 2005 – RF03 2006 – FC12 2008 – WK01

Cepheus and IC 1396 ι δ π ζ β α η IC 1396 HD 204827 Credit: allthesky.com

IC 1396 and HD 204827 HD 204827 Credit: robgendlerastropics.com

Adamkovics, Blake, & McCall, About HD 204827 EB-V=1.11, V=7.94, Spectral Type B0V Strongest “C2 DIBs” C3 champion! Adamkovics, Blake, & McCall, ApJ 595, 235 (2003) Thorburn et al, ApJ 584, 339 (2003)

Unusual Stellar Lines standard star HD 204827 Night 5 Night 4 Night 3

Double-lined Spectroscopic Binary! [Credit: R. Pogge, OSU]

Great Test for DIBs Enables unambiguous identification of DIBs DIB count: 267 confirmed, 113 new, 380 total!

Previous Binary Work P. W. Merrill, ApJ 83, 126 (1936) P. W. Merrill, PASP 483, 179 (1936)

Distribution by Width, Wavelength Central Wavelength Full-Width at Half-Maximum

Distribution of Strengths Equivalent Width (integrated area)

Distribution of Spacings All Pairs of DIBs Adjacent Pairs of DIBs

Catalog Now Available

http://dibdata.org

Interactive Plots at dibdata.org

Acknowledgments Lew Hobbs Don York Ted Snow Takeshi Oka Julie Thorburn, Michael Bishof, Scott Friedman, Brian Rachford, Paule Sonnentrucker, Dan Welty [T. Snow] [T. Oka] [B. J. McCall]