Scicluna, P, Kemper, F, McDonald, I, Srinivasan, S, Trejo, A, Wallstrom, SHJ, Wouterloot, JGA, Cami, J, Greaves, J, He, J, Hoai, DT, Kim, H, Jones, OC, Shinnaga, H, Clark, CJR, Dharmawardena, T, Holland, W, Imai, H, van Loon, JT ORCID: https://orcid.org/0000-0002-1272-3017, Menten, KM, Wesson, R, Chawner, H, Feng, S, Goldman, S, Liu, FC, MacIsaac, H, Tang, J, Zeegers, S, Amada, K, Antoniou, V, Bemis, A, Boyer, ML, Chapman, S, Chen, X, Cho, S-H, Cui, L, Dell'Agli, F, Friberg, P, Fukaya, S, Gomez, H, Gong, Y, Hadjara, M, Haswell, C, Hirano, N, Hony, S, Izumiura, H, Jeste, M, Jiang, X, Kaminski, T, Keaveney, N, Kim, J, Kraemer, KE, Kuan, Y-J, Lagadec, E, Lee, CF, Li, D, Liu, S-Y, Liu, T, de Looze, I, Lykou, F, Maraston, C, Marshall, JP, Matsuura, M, Min, C, Otsuka, M, Oyadomari, M, Parsons, H, Patel, NA, Peeters, E, Pham, TA, Qiu, J, Randall, S, Rau, G, Redman, MP, Richards, AMS, Serjeant, S, Shi, C, Sloan, GC, Smith, MWL, Suh, K-W, Toala, JA, Uttenthaler, S, Ventura, P, Wang, B, Yamamura, I, Yang, T, Yun, Y, Zhang, F, Zhang, Y, Zhao, G, Zhu, M and Zijlstra, AA (2022) The Nearby Evolved Stars Survey II: Constructing a volume-limited sample and first results from the James Clerk Maxwell Telescope. Monthly Notices of the Royal Astronomical Society, 512 (1). 1091 - 1110.

[img]
Preview
Text
2110.12562.pdf - Accepted Version

Download (1MB) | Preview

Abstract

The Nearby Evolved Stars Survey (NESS) is a volume-complete sample of ∼850 Galactic evolved stars within 3 kpc at (sub-)mm wavelengths, observed in the CO J = (2–1) and (3–2) rotational lines, and the sub-mm continuum, using the James Clark Maxwell Telescope and Atacama Pathfinder Experiment. NESS consists of five tiers, based on distances and dust-production rate (DPR). We define a new metric for estimating the distances to evolved stars and compare its results to Gaia EDR3. Replicating other studies, the most-evolved, highly enshrouded objects in the Galactic Plane dominate the dust returned by our sources, and we initially estimate a total DPR of 4.7 × 10−5 M⊙ yr−1 from our sample. Our sub-mm fluxes are systematically higher and spectral indices are typically shallower than dust models typically predict. The 450/850 μm spectral indices are consistent with the blackbody Rayleigh–Jeans regime, suggesting a large fraction of evolved stars have unexpectedly large envelopes of cold dust.

Item Type: Article
Additional Information: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)
Uncontrolled Keywords: catalogues; surveys; stars: AGB and post-AGB; stars: mass-loss; stars: winds; outflows
Subjects: Q Science > QB Astronomy
Q Science > QB Astronomy > QB460 Astrophysics
Q Science > QB Astronomy > QB799 Stars
Divisions: Faculty of Natural Sciences > School of Chemical and Physical Sciences
Related URLs:
Depositing User: Symplectic
Date Deposited: 26 May 2022 09:33
Last Modified: 06 Jun 2022 10:29
URI: https://eprints.keele.ac.uk/id/eprint/10966

Actions (login required)

View Item View Item