J/A+A/488/675ivo://CDS.VizieR/J/A+A/488/675doi:10.26093/cds/vizier.34880675CDSGuandalini R.Busso M.2017-09-20T05:14:15Z2009-07-01T22:53:01ZCDS support team

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

cds-question@unistra.frgiant-starss-starsinfrared-photometryAsymptotic giant branch (AGB) phases mark the end of the evolution for low- and intermediate-mass stars. Our understanding of the mechanisms through which they eject the envelope and our assessment of their contribution to the mass return to the interstellar medium and to the chemical evolution of Galaxies are hampered by poor knowledge of their luminosities and mass loss rates, both for C-rich and for O-rich sources. We plan to establish criteria permitting a more quantitative determination of luminosities (and subsequently of mass loss rates) for the various types of AGB stars on the basis of infrared fluxes. In this paper, in particular, we concentrate on O-rich and s-element-rich MS, S stars and include a small sample of SC stars. We reanalyze the absolute bolometric magnitudes and colors of MS, S, SC stars on the basis of a sample of intrinsic (single) and extrinsic (binary) long period variables. We derive bolometric corrections as a function of near- and mid-infrared colors, adopting as references a group of stars for which the spectral energy distribution could be reconstructed in detail over a large wavelength range. We determine the absolute HR diagrams, and compare luminosities and colors of S-type giants with those, previously derived, of C-rich AGB stars. Luminosity estimates are also verified on the basis of existing period-luminosity relations valid for O-rich Miras. S star bolometric luminosities are almost indistinguishable from those of C-rich AGB stars. On the contrary, their circumstellar envelopes are thinner and less opaque. Despite this last property the IR wavelengths remain dominant, with the bluest stars having their maximum emission in the H or K(short) bands. Near-to-mid infrared color differences are in any case smaller than for C stars. Based on period-luminosity relations for O-rich Miras and on Magnitude-color relations for the same variables we show how approximate distances (hence intrinsic parameters) for sources of so far unknown parallax can be inferred. We argue that most of the sources have a rather small mass (<2M_{sun}_); dredge-up might then be not effective enough to let the C/O ratio exceed unity.2008A&A...488..675Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/488/675CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toIII/168 : General Catalog of S Stars, second edition (Stephenson 1984)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/488/675https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/488/675http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/488/675https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/488/675https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/488/675http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/488/675GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/488/675/sampled (Sample D data)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/488/675/sampled?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/488/675/sampled?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/488/675/sampled?GETtext/xml+votable180.050000true65.913958349.95730560.0055555555555555565/9481 6/1285 1297 1313 1380 1410 1420 1436 1447-1448 1512 1660 1799 1808 1820 1921-1922 1929 1954-1955 2335 3012 3025 3033 3061-3062 3141 3153 3181 3283 3300 3302 3310 3604 3607 3613 3620 3622 3625 3628-3630 3639 3648 3651 3654 3686 3720 3723 3733 3746 3776 11597 12758 12796 12963 12969-12970 12972-12973 12986 13030 13038 13218 13230 13240 13289 13294 14002 14006 14050-14051 14057 14059 14074 14076 14189 14199 14217 14236 14242 14266 14278-14279 14285 14289 14310 14312 14319 14331 14343 14347-14349 14353 14402 14406 14414 14429 14434 14443 14448 14451 14456 14593 14599 14608 14611 14620 14623 14626 14630-14631 14643 14673 14680 14693 14702 14705 14724 15360 15368 15375 15378 15392 15396 15399 15409 15430 15435 15442 15448 15526 15643 15652 15680 19206 20797 20820 20836-20837 20945 20949-20950 20955 20980 21483-21484 21506 21514 21522 21531 21545 21548 21557 21561 21564 21566 21601 21648 21659 21661 21663 21681 21698 22032-22033 22035 22040 22053 22067 22078 22082 22089 22092 22095 22116-22117 22128 22140 22173 22177 22189 22204 22211-22212 22218-22219 22223 22257 22259 22262 22266 22304 22809 23846 23937 23949 23987 23992 24108 24327 24338-24339 24343 24365 24375 24381 24418 24460 24463 24468 24477 24480 24484 24495 24500 24511 24513 24521 24554 27413 27504 28735 28829 28843 28846 28878 28882 28888 28890 29057-29058 29075 29110 29116 29153-29154 29159 29162 29185 29206 29440 29460-29461 29477 29490 29500-29501 29511 29524 29529 29539 29636 29701 29767 30214 30244-30246 30249 30269 30302 30304 30306 30326 30335 30404 30421 30526 30596 30641 30649 30671 30680 30682 30692 30698 30712 30717 32093 34775 37183 37207 37239 37245 37327 37329-37330 37334 37338 37341 37348-37349 37357 37374-37375 37700 37707 37716 37720 37731 37737 37739 37755 37809 37813 37835 37850 37864-37865 37871-37872 37874 37885 37893 37897 37902-37903 37916 37919 37922 37928 37931 37938 37941 37947 37950 37952 37954-37955 37958 37960 37986 38016 38023 38027 38035 38040 38047 38051 38053 38067 38074 38403 38405 38413 38437 38445 38450 38543 38564 38569 38571 38585 38679 38947 39232 39258 39262 39271 39278 39284 39289 39295 39358-39359 39365 39370 39378 39382 39385 39392 39398 39403 39414 39416 39422-39423 39483 39703 39756 39762 39764 39771 39780 39788 39791 39807 39833 39885 39888-39889 39899 39929 39934 39937 39968 40096 40099 40106 40448 40450 40456 40462 40484 40491 40577 40579 40602 40611 40613 40615-40616 40632 41590 41599 41625 41678 41682-41683 41685 41690 41693 41708 41737 41747 41763 41770 41777-41778 41786 41791 41799-41801 41804 41809 41811 41833 41838 41865 42148 42152 42172-42173 42196 42205 42208-42209 42217-42218 42222 42225 42345 42379 42382 42389 42391 42393 42396-42397 42401 42450 42467 42485 42492 42499 42520 42563 42850 43009 43016 43021 43024-43025 43028 43048 43058 43076 43100 43150 45694https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/488/675?format=asciiInfrareddefaultJ/A+A/488/675/sampledSample D datarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameDesignation of the sourcemeta.id;meta.maincharFJ? Flux in J bandJyphot.flux;em.IR.JfloatnullableFH? Flux in H bandJyphot.flux.density;em.IR.HfloatnullableFK? Flux in K bandJyphot.mag;em.IR.KfloatnullableF8.8? Flux in 8.8um bandJyphot.flux.density;em.IR.8-15umfloatnullableF9.8? Flux in 9.8um bandJyphot.flux.density;em.IR.8-15umfloatnullableF11.7? Flux in 11.7um bandJyphot.flux.density;em.IR.8-15umfloatnullableF12.5? Flux in 12.5um bandJyphot.flux.density;em.IR.8-15umfloatnullableFD? Flux in D (14.65um) MSX bandJyphot.flux.density;em.IR.8-15umfloatnullableFE? Flux in E (21.34um) MSX bandJyphot.flux.density;em.IR.15-30umfloatnullablerefIROrigin of the Mid-IR data (MSX or IRAS-LRS)meta.ref;pos.framecharmbol? Apparent bolometric magnitudemagphot.mag.bolfloatnullableI/EIntrinsic (I) and/or Extrinsic (E) sourcemeta.codecharIRASIRAS designationmeta.idcharCSSStephenson designation, Cat. <III/168>meta.idcharRAJ2000ICRS right ascension (ep=2000 eq=2000)pos.eq.ra;meta.mainDEJ2000ICRS declination (ep=2000 eq=2000)pos.eq.dec;meta.mainSpTypeSpectral Type from GCVSsrc.spTypecharVarVariability Type from GCVSmeta.note;src.varcharPer? Period (from GCVS)dtime.periodfloatnullableSimbadSimbad column added by the CDSchar