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Speckle Suppression with the Project 1640 Integral Field Spectrograph
Justin R. Crepp, Laurent Pueyo, Douglas Brenner +15
Project 1640 is a high-contrast imaging instrument recently commissioned at Palomar observatory. A combination of a coronagraph with an integral field spectrograph (IFS), Project 1…
A New High Contrast Imaging Program at Palomar Observatory
Sasha Hinkley, Ben R. Oppenheimer, Neil Zimmerman +19
We describe a new instrument that forms the core of a long-term high contrast imaging program at the 200-inch Hale Telescope at Palomar Observatory. The primary scientific thrust i…
PTF10nvg: An Outbursting Class I Protostar in the Pelican/North American Nebula
Kevin R. Covey, Lynne A. Hillenbrand, Adam A. Miller +28
During a synoptic survey of the North American Nebula region, the Palomar Transient Factory (PTF) detected an optical outburst (dubbed PTF10nvg) associated with the previously unst…
Evidence for an FU Orionis-like Outburst from a Classical T Tauri Star
Adam A. Miller, Lynne A. Hillenbrand, Kevin R. Covey +26
We present pre- and post-outburst observations of the new FU Orionis-like young stellar object PTF 10qpf (also known as LkHa 188-G4 and HBC 722). Prior to this outburst, LkHa 188-G…
Establishing Alpha Oph as a Prototype Rotator: Improved Astrometric Orbit
Sasha Hinkley, John D. Monnier, Ben R. Oppenheimer +24
The nearby star Alpha Oph (Ras Alhague) is a rapidly rotating A5IV star spinning at ~89% of its breakup velocity. This system has been imaged extensively by interferometric techniq…
Rapidly Decaying Supernova 2010X: A Candidate ".Ia" Explosion
Mansi M. Kasliwal, S. R. Kulkarni, Avishay Gal-Yam +33
We present the discovery, photometric and spectroscopic follow-up observations of SN 2010X (PTF 10bhp). This supernova decays exponentially with tau_d=5 days, and rivals the curren…