SPATIALLY RESOLVED M-BAND EMISSION FROM IO’S LOKI PATERA–FIZEAU IMAGING AT THE 22.8 m LBT
Journal Article
·
· Astronomical Journal (Online)
- LBT Observatory, University of Arizona, 933 N. Cherry Ave., Tucson, AZ 85721 (United States)
- University of California at Berkeley, Berkeley, CA 94720 (United States)
- University of Arizona, 1428 E. University Blvd., Tucson, AZ 85721 (United States)
- DIBRIS, University of Genoa, Via Dodecaneso 35, I-16146 Genova (Italy)
- INAF-Osservatorio Astronomico di Bologna, via Ranzani 1, I-40127 Bologna (Italy)
- Max Planck Institute for Radio Astronomy, Auf dem Hügel 69, D-53121 Bonn (Germany)
- Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg (Germany)
- Planetary Science Institute, 1700 E. Fort Lowell, Tucson, AZ 85719 (United States)
- University of Virginia, 530 McCormick Road, Charlottesville, VA 22904 (United States)
- Southwest Research Institute, 1050 Walnut Ste. Suite 300, Boulder, CO 80302 (United States)
The Large Binocular Telescope Interferometer mid-infrared camera, LMIRcam, imaged Io on the night of 2013 December 24 UT and detected strong M-band (4.8 μm) thermal emission arising from Loki Patera. The 22.8 m baseline of the Large Binocular Telescope provides an angular resolution of ∼32 mas (∼100 km at Io) resolving the Loki Patera emission into two distinct maxima originating from different regions within Loki’s horseshoe lava lake. This observation is consistent with the presence of a high-temperature source observed in previous studies combined with an independent peak arising from cooling crust from recent resurfacing. The deconvolved images also reveal 15 other emission sites on the visible hemisphere of Io including two previously unidentified hot spots.
- OSTI ID:
- 22520227
- Journal Information:
- Astronomical Journal (Online), Journal Name: Astronomical Journal (Online) Journal Issue: 5 Vol. 149; ISSN 1538-3881
- Country of Publication:
- United States
- Language:
- English
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