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Dusty Massive Evolved Stars In the Nearby Universe

Dusty Massive Evolved Stars In the Nearby Universe. Stephen J. Williams National Observatory of Athens June 23, 2014. Collaborators. Alceste Bonanos (NOA) Nikolay Britavskiy (NOA) Michalis Kourniotis (NOA) Jose Prieto (Princeton) Andrea Mehner (ESO) William Blair (JHU)

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Dusty Massive Evolved Stars In the Nearby Universe

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  1. Dusty Massive Evolved Stars In the Nearby Universe Stephen J. Williams National Observatory of Athens June 23, 2014

  2. Collaborators AlcesteBonanos(NOA) Nikolay Britavskiy (NOA) MichalisKourniotis (NOA) Jose Prieto (Princeton) Andrea Mehner (ESO) William Blair (JHU) Brad Whitmore (STScI)

  3. SN2009ip LBV Outbursts LBV Variability Mauerhan et al. 2013

  4. Szczygieł et al. 2010

  5. Ekström et al. 2012

  6. Bonanos et al. 2009

  7. Khan et al. 2013

  8. Britavskiyet al. 2014

  9. Conclusions, Work to Do • Pan-STARRS1 • Variability to ID evolved massive stars • Bandpass diagnostics • Spectroscopic follow-up • Census of objects across metallicity • SN progenitor groundwork

  10. References • Mauerhan et al. 2013, MNRAS, 430, 1801 • Szczygiełet al. 2010, AJ, 140, 14 • Ekströmet al. 2012, A&A, 537, 146 • Bonanos et al. 2009, AJ, 138, 1003 • Khan et al. 2013, ApJ, 767, 52 • Britavskiy et al. 2014, A&A, 562, 75

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