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Infrared Spectroscopy of Symbiotic Stars. XI. Orbits for southern S-type systems: Hen 3-461, SY Mus, Hen 3-828, and AR Pav

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dc.contributor.authorFekel, Francis C
dc.contributor.authorHinkle, Kenneth H
dc.contributor.authorJoyce, Richard R
dc.contributor.authorWood, Peter
dc.date.accessioned2021-07-12T01:58:42Z
dc.date.issued2017
dc.date.updated2020-11-23T10:41:20Z
dc.description.abstractEmploying new infrared radial velocities, we have computed spectroscopic orbits of the cool giants in four southern S-type symbiotic systems. The orbits for two of the systems, Hen 3-461 and Hen 3-828, have been determined for the first time, while orbits of the other two, SY Mus and AR Pav, have previously been determined. For the latter two systems, we compare our results with those in the literature. The low mass of the secondary of SY Mus suggests that it has gone through a common envelope phase. Hen 3-461 has an orbital period of 2271 days, one of the longest currently known for S-type symbiotic systems. That period is very different from the orbital period proposed previously from its photometric variations. The other three binaries have periods between 600 and 700 day, values that are typical for S-type symbiotic orbits. Basic properties of the M giant components and the distance to each system are determineden_AU
dc.description.sponsorshipWe thank NOAO for enabling several aspects of this research, including access to time on the Gemini and SMARTS telescopes, and travel support for K. Hinkle and R. Joyce. This paper is based in part on observations obtained at the Gemini Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under a cooperative agreement with the NSF on behalf of the Gemini partnership: the National Science Foundation (United States), the Particle Physics and Astronomy Research Council (United Kingdom), the National Research Council (Canada), CONICYT (Chile), the Australian Research Council (Australia), CNPq (Brazil), and CONICRT (Argentina). The observations were acquired with the Phoenix infrared spectrograph, which was developed and is operated by the National Optical Astronomy Observatory. The Gemini/Phoenix spectra were obtained as part of programs GS-2003A-DD-1, GS-2003BDD-1, GS-2004A-DD-1, and GS-2006A-DD-1. Observations were also obtained at the Gemini South Observatory as part of Poor Weather Queue program number GS-2010A-Q-79. Several additional observations were acquired through the NOAO share of time on one of the SMARTS consortium telescopes. Astronomy at Tennessee State University is supported by the state of Tennessee through its Centers of Excellence program. We have made use of the SIMBAD database, operated by CDS in Strasbourg, France, as well as NASA’s Astrophysics Data System Abstract Serviceen_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0004-6256en_AU
dc.identifier.urihttp://hdl.handle.net/1885/240391
dc.language.isoen_AUen_AU
dc.publisherUniversity of Chicago Pressen_AU
dc.rights© 2016. The American Astronomical Societyen_AU
dc.sourceAstronomical Journalen_AU
dc.titleInfrared Spectroscopy of Symbiotic Stars. XI. Orbits for southern S-type systems: Hen 3-461, SY Mus, Hen 3-828, and AR Paven_AU
dc.typeJournal articleen_AU
local.bibliographicCitation.issue1en_AU
local.bibliographicCitation.lastpage13en_AU
local.bibliographicCitation.startpage1en_AU
local.contributor.affiliationFekel, Francis C, Tennessee State Universityen_AU
local.contributor.affiliationHinkle, Kenneth H, National Optical Astronomy Observatoryen_AU
local.contributor.affiliationJoyce, Richard R, National Optical Astronomy Observatoryen_AU
local.contributor.affiliationWood, Peter R, College of Science, ANUen_AU
local.contributor.authoruidWood, Peter R, u7900259en_AU
local.description.embargo2099-12-31
local.description.notesImported from ARIESen_AU
local.identifier.absfor020503 - Nonlinear Optics and Spectroscopyen_AU
local.identifier.absfor020110 - Stellar Astronomy and Planetary Systemsen_AU
local.identifier.ariespublicationa383154xPUB6325en_AU
local.identifier.citationvolume153en_AU
local.identifier.doi10.3847/1538-3881/153/1/35en_AU
local.identifier.scopusID2-s2.0-85008895461
local.identifier.thomsonID000405783900004
local.publisher.urlhttp://iopscience.iop.org/1538-3881en_AU
local.type.statusPublished Versionen_AU

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