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Palomar Optical Spectrum of Hyperbolic Near-Earth Object A/2017 U1

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arxiv 1710.09977 v2 pith:FFL7DHRX submitted 2017-10-27 astro-ph.EP

Joseph Masiero This is my paper · ORCID
classification astro-ph.EP
keywords opticalhyperbolicnear-earthobjectpalomarveryabsorptionalthough
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We present optical spectroscopy of the recently discovered hyperbolic near-Earth object A/2017 U1, taken on 25 Oct 2017 at Palomar Observatory. Although our data are at a very low signal-to-noise, they indicate a very red surface at optical wavelengths without significant absorption features.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity

    astro-ph.EP 2025-07 conditional novelty 6.0 of 10

    Archival TESS images show 3I/ATLAS was brighter than distance effects alone can explain, implying possible cometary activity at ~6 au from the Sun.

  2. Machine Learning Methods for Automated Interstellar Object Classification with LSST

    astro-ph.EP 2024-12 conditional novelty 4.0 of 10

    Gradient boosting and random forests outperform neural networks and stochastic gradient descent at classifying interstellar object tracklets in simulated LSST data, with Digest2 scores as the dominant features.

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