Thermal Properties of Slowly Rotating Asteroids: Results from a Targeted
Astronomy & Astrophysics manuscript no. 35129corr c ESO 2019 May 16, 2019 Thermal properties of slowly rotating asteroids: Results from a targeted survey A. Marciniak1, V. Alí-Lagoa2, T. G. Müller2, R. Szakáts3, L. Molnár3,4, A. Pál3,5, E. Podlewska - Gaca1,6, N. Parley7, P. Antonini8, E. Barbotin9, R. Behrend10, L. Bernasconi11, M. Butkiewicz - B ˛ak1, R. Crippa12, R. Duffard13, R. Ditteon14, M. Feuerbach10, S. Fauvaud15, J. Garlitz16, S. Geier17,18, R. Goncalves19, J. Grice20, I. Grzeskowiak´ 1, R. Hirsch1, J. Horbowicz1, K. Kaminski´ 1, M. K. Kaminska´ 1, D.-H. Kim21,22, M.-J. Kim22, I. Konstanciak1, V. Kudak23,24, P. Kulczak1, J. L. Maestre25, F. Manzini12, S. Marks10, F. Monteiro26, W. Ogłoza27, D. Oszkiewicz1, F. Pilcher28, V. Perig24, T. Polakis29, M. Polinska´ 1, R. Roy30, J. J. Sanabria17, T. Santana-Ros1, B. Skiff31, J. Skrzypek1, K. Sobkowiak1, E. Sonbas32, O. Thizy10, P. Trela1, S. Urakawa33, M. Zejmo˙ 34, and K. Zukowski˙ 1 (Affiliations can be found after the references) Received 25 January 2019 / Accepted 9 April 2019 ABSTRACT Context. Earlier work suggests that slowly rotating asteroids should have higher thermal inertias than faster rotators because the heat wave pene- trates deeper into the sub-surface. However, thermal inertias have been determined mainly for fast rotators due to selection effects in the available photometry used to obtain shape models required for thermophysical modelling (TPM). Aims. Our aims are to mitigate these selection effects by producing shape models of slow rotators, to scale them and compute their thermal inertia with TPM, and to verify whether thermal inertia increases with the rotation period.
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