First Results from the Rapid-response Spectrophotometric Characterization of Near-Earth Objects Using RATIR

As part of our multi-observatory, multifilter campaign, we present r-i color observations of 82 near-Earth objects (NEOs) obtained with the reionization and transients infrared camera (RATIR) instrument on the 1.5 m robotic telescope at the San Pedro Martir's National Observatory in Mexico. Our...

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Bibliographic Details
Published in:The Astronomical journal 2019-05, Vol.157 (5), p.190
Main Authors: Navarro-Meza, S., Mommert, M., Trilling, D. E., Butler, N., Reyes-Ruiz, M., Pichardo, B., Axelrod, T., Jedicke, R., Moskovitz, N.
Format: Article
Language:English
Subjects:
ASTEROIDS
Astronomy
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
CLASSIFICATION
Infrared cameras
Infrared instruments
Ionization
minor planets, asteroids: individual (near-Earth objects)
Near-Earth Objects
Observatories
PLANETS
SPECTROPHOTOMETRY
surveys
TELESCOPES
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Summary:As part of our multi-observatory, multifilter campaign, we present r-i color observations of 82 near-Earth objects (NEOs) obtained with the reionization and transients infrared camera (RATIR) instrument on the 1.5 m robotic telescope at the San Pedro Martir's National Observatory in Mexico. Our project is particularly focused on rapid-response observations of small ( 850 m) NEOs. The rapid response and the use of spectrophotometry allows us to constrain the taxonomic classification of NEOs with high efficiency. Here we present the methodology of our observations and our result, suggesting that the ratio of C-type to S-type asteroids in a size range of ∼30-850 m is 1.1, which is in accordance with our previous results. We also find that 10% of all NEOs in our sample are neither C- nor S-type asteroids
ISSN:0004-6256
1538-3881
1538-3881
DOI:10.3847/1538-3881/ab1138