Near-infrared spectroscopy of the Sulamitis asteroid family: Surprising similarities in the inner belt primitive asteroid population

Bibcode
2021Icar..35814210A
DOI
10.1016/j.icarus.2020.114210
Arredondo, Anicia; Campins, Humberto; Pinilla-Alonso, Noemi; de León, Julia; Lorenzi, Vania; Morate, David
Bibliographical reference

Icarus

Advertised on:
4
2021
Journal
ICARUS
Number of authors
6
IAC number of authors
3
Citations
3
Refereed citations
3
Description
We present NIR spectra of 19 asteroids in the Sulamitis family as part of our survey of primitive inner belt asteroid families. The spectra were obtained with NASA's Infrared Telescope Facility and the Telescopio Nazionale Galileo between January 2017 and February 2020. We find spectral homogeneity in our sample despite the diversity within the family observed at visible wavelengths. The average Sulamitis spectrum is flat with a spectral slope of 0.89 ± 0.26%/1000 Å between 0.95 and 2.3 μm. We show that the Sulamitis family is spectrally similar to other inner belt families in the NIR, despite differences between families seen in the visible wavelength range. We also compare our obtained spectra with asteroids (101955) Bennu and (162173) Ryugu to show that the Sulamitis family is a plausible source of Ryugu.
Related projects
Project Image
Small Bodies of the Solar System
This project studies the physical and compositional properties of the so-called minor bodies of the Solar System, that includes asteroids, icy objects, and comets. Of special interest are the trans-neptunian objects (TNOs), including those considered the most distant objects detected so far (Extreme-TNOs or ETNOs); the comets and the comet-asteroid
Julia de
León Cruz
In progress
Type
Refereed
Exoplanetary Systems & Solar System (SEYSS)
Asteroids
Spectroscopy

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