J/AJ/162/183ivo://CDS.VizieR/J/AJ/162/183doi:10.26093/cds/vizier.51620183CDSWoodward C.E.Evans A.Banerjee D.P.K.Liimets T.Djupvik A.A.,Starrfield S.Clayton G.C.Eyres S.P.S.Gehrz R.D.Wagner R.M.2022-03-14T06:37:38Z2022-01-07T08:57:14ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frm-starsmultiple-starsinfrared-astronomyspectroscopyLuminous Red Variables are most likely eruptions that are the outcome of stellar mergers. V838Mon is one of the best-studied members of this class, representing an archetype for stellar mergers resulting from B-type stars. As result of the merger event, "nova-like" eruptions occur driving mass loss from the system. As the gas cools considerable circumstellar dust is formed. V838Mon erupted in 2002 and is undergoing very dynamic changes in its dust composition, geometry, and infrared luminosity providing a real-time laboratory to validate mineralogical condensation sequences in stellar mergers and evolutionary scenarios. We discuss recent NASA Stratospheric Observatory for Infrared Astronomy 5-38{mu}m observations combined with archival NASA Spitzer spectra that document the temporal evolution of the freshly formed (within the last <~20yr) circumstellar material in the environs of V838Mon. Changes in the 10{mu}m spectral region are strong evidence that we are witnessing a classical dust condensation sequence expected to occur in oxygen-rich environments where alumina formation is followed by that of silicates at the temperature cools.2021AJ....162..183Whttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/162/183CatalogResearchIsServedByTAP VizieR generic servicerelated-toJ/A+AS/146/437 : IR spectra of oxygen-rich evolved stars (Speck+, 2000)J/PAZh/28/764 : UBVR photometry of Nova Mon 2002 (V838 Mon) (Goranskii+, 2002)J/ApJ/598/L43 : Polarimetry of V838 Mon and stars around (Wisniewski+, 2003)J/A+A/434/1107 : UBVRIc photometry of stars around V838 Mon (Munari+, 2005)J/AZh/84/147 : Light curves of V838 Mon and V4332 Sgr (Goranskii+, 2007)J/A+A/532/A138 : V838 Mon spectrum in 2009 (Tylenda+, 2011)J/A+A/553/A81 : Refraction of corundum, spinel, {alpha}-quartz (Zeidler+,2013)J/A+A/630/A75 : Six luminous red novae photometry (Pastorello+, 2019)J/A+A/638/A17 : VLBA SiO masers toward V838 Monocerotis (Ortiz-Leon+, 2020)J/A+A/646/A119 : M31 luminous red nova AT 2019zhd photometry (Pastorello+,2021)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/162/183https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/162/183http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/162/183https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/162/183https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/162/183http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/162/183GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapInfrareddefaultJ/AJ/162/183/fig1V838 Mon SOFIA FORCAST spectrarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintWave[5.1/36.9] Wavelengthumem.wldoubleFlux[5.34/38] Flux densityJyphot.fluxdoublee_Flux[0.07/3] Uncertainty in FluxJystat.error;phot.fluxdouble