III/168ivo://CDS.VizieR/III/168CDSStephensonC.B.2013-02-26T11:57:39Z1998-10-26T05:20:34ZCDS support team

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

cds-question@unistra.frlate-type-starss-starsThis catalog is intended to list all Galactic S stars having known positions of at least roughly the precision of the Henry Draper catalog. An S star is a star in whose spectrum the bands of the ZrO molecule are detectable, ordinarily without needing sufficient spectral resolution to resolve the individual rotational lines of a band. In addition, stars exhibiting readily detectable LaO in the photographic infrared, where there is no significant ZrO, are known to form a subset of S stars (more extreme in abundances or low temperature), and this catalog includes stars classified only from the infrared. The majority of the stars were, however, discovered on the basis of the (0,0) band, with head near 6474Angstroem, of the red system of ZrO. Nomenclature Note: There are three catalogues of S stars by Stephenson, each being numbered from 1. Care should therefore be taken to make a clear distinction between a) The first Edition (1976, Publ. Warner & Swasey Obs. 2, No. 2; Catalog <III/60>); these objects are designated "GCSS" b) This second edition published in 1984; these objects are designated "CSS" c) A complement to the Second Edition published in 1990 (=1990AJ....100..569S), designated by "CSS2" Ahthor's Introduction: The first edition of this catalog, published more than eight years ago, contained little more than half of the present number of stars, but nearly half of those were previously unpublished although lists of Henize's discoveries had been widely circulated. The principal additions since then come from three sources: (1) A low-dispersion infrared survey of the southern Milky Way by Westerlund, the S stars from which are hitherto unpublished; (2) a relatively high-dispersion red survey by MacConnell, also of the southern Milky Way, published in two lists here catalog-coded as MacCon79 and MacCon82; and (3) an unpublished and just-completed intermediate-dispersion red survey by Stephenson, covering the sky north of declination -25d and outside of galactic latitudes +/-10d. This last survey was intended to create for such red surveys a degree of completeness for the entire sky that was wholly lacking in the first edition. As remarked in the first edition, a logical reason for undertaking this catalog is the author's access to the Observatory's extensive collection of blue, red, and infrared objective prism plates, which covers the entire northern sky (though not in all wavelength regions) plus the southern Milky Way. As before, this collection was used not only for new discoveries, but also to resolve many cases of confusion in the literature. Previous objective prism surveys that were capable of identifying S stars have been summarized by Stephenson in the first edition of this catalog (Stephenson 1976), and also by Yorka and Wing (1979). The best combination of limiting magnitude (mostly 11.5 to 12, visual) and completeness has been achieved in the red spectral region, using the ZrO band with head at 6474 A. The entire northern sky north of declination -25d, plus the southern Milky Way, has been surveyed by Stephenson or N. Sanduleak (who did about 40% of the southern Milky Way), at 1,000 A/mm at H alpha (about 700 A/mm at the D lines). The rest of the southern sky has been done to 10th mag. by K. Henize, using 300 A/mm at the D lines. When the first edition of the S-star catalog was published, there had been no satisfactory red survey (that is, one that was capable of finding S stars consistently) of the sky north of declination -25d and outside of galactic latitudes +/-10d. The author has since remedied this lack, using the Burrell Schmidt telescope. The survey was begun at the old site in Ohio, using improved telescope optics (new corrector plus refigured mirror), but all but some 140 of the nearly 1300 required fields were taken at the Schmidt's new location on Kitt Peak. Also, additional surveys have turned up numbers of S stars in the southern Milky Way. B. Westerlund has used the infrared region at 2100 A/mm to search between galactic latitudes +/-5d and longitudes 235d to 7d, to a limiting infrared magnitude of 12.5. The comparable northern infrared surveys stop about 3 mags. brighter than this, but the author hopes to remedy this situation within a few years. Westerlund's new S stars are published for the first time in the present catalog. MacConnell's new S stars were found with 420 A/mm at H alpha; his plates have the highest spectral resolution of any of the red surveys, and so include the weakest S stars.Publ. Warner & Swasey Observatory, 3, no. 1, 1 (1984)https://cdsarc.cds.unistra.fr/viz-bin/cat/III/168CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=III/168https://vizier.iucaa.in/viz-bin/VizieR-2?-source=III/168http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=III/168https://vizier.cds.unistra.fr/viz-bin/votable?-source=III/168https://vizier.iucaa.in/viz-bin/votable?-source=III/168http://vizieridia.saao.ac.za/viz-bin/votable?-source=III/168GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table III/168/catalog (The S Star catalog)https://vizier.cds.unistra.fr/viz-bin/conesearch/III/168/catalog?https://vizier.iucaa.in/viz-bin/conesearch/III/168/catalog?http://vizieridia.saao.ac.za/viz-bin/conesearch/III/168/catalog?GETtext/xml+votable180.050000true1.63027669.0066940.0055555555555555565/9481 6/391 460 469 694 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38411 38413 38421 38427 38429 38432 38437 38445 38450 38456 38470 38472 38507 38512 38543 38547 38564 38565 38569 38571 38574 38575 38585 38602 38679 38780 38794 38802 38947 38965 39000 39024 39126 39161 39174 39175 39188 39189 39190 39205 39230 39232 39258 39262 39271 39278 39284 39289 39290 39295 39303 39310 39313 39315 39321 39332 39334 39335 39344 39358 39359 39365 39370 39378 39382 39385 39391 39392 39398 39403 39414 39416 39422 39423 39427 39451 39483 39495 39547 39599 39624 39655 39664 39685 39695 39703 39710 39729 39735 39742 39743 39756 39762 39764 39771 39780 39788 39791 39807 39822 39831 39833 39842 39847 39860 39863 39865 39872 39885 39888 39889 39899 39915 39929 39934 39937 39944 39945 39949 39956 39957 39960 39966 39968 39969 39973 39974 39980 39985 39988 40036 40046 40070 40071 40075 40079 40086 40092 40093 40095 40096 40099 40100 40101 40102 40104 40106 40117 40127 40141 40162 40164 40173 40328 40364 40384 40393 40448 40450 40452 40455 40456 40460 40461 40462 40469 40475 40476 40477 40484 40491 40497 40526 40527 40528 40548 40553 40562 40577 40579 40582 40591 40594 40602 40611 40613 40615 40616 40629 40632 40636 40639 40640 40645 40646 40656 40676 40694 40842 40960 41086 41144 41162 41168 41175 41177 41178 41182 41184 41190 41191 41202 41268 41343 41344 41349 41417 41422 41494 41496 41541 41548 41551 41569 41590 41599 41602 41625 41663 41674 41676 41678 41682 41683 41685 41690 41693 41704 41708 41737 41747 41763 41765 41770 41777 41778 41786 41791 41799 41800 41801 41804 41809 41811 41833 41838 41849 41859 41865 41903 41965 41973 41999 42017 42025 42076 42118 42123 42130 42148 42152 42172 42173 42176 42196 42205 42208 42209 42217 42218 42222 42225 42260 42262 42289 42292 42345 42379 42382 42389 42391 42393 42396 42401 42450 42467 42485 42492 42499 42520 42543 42563 42591 42634 42667 42668 42696 42823 42850 42889 42919 42952 43009 43010 43016 43021 43024 43025 43028 43048 43058 43076 43082 43092 43100 43129 43146 43150 43161 43162 43170 43175 43179 43181 43223 43258 43265 43296 43337 43417 43527 43546 43553 43584 43618 43667 43673 43922 44042 44102 44113 44219 44318 44367 44407 44825 45073 45694 45731 46037 46247 46318 46325 47106 47210 47233 47312 47414 47468 47542 47652 47711 47754 47756 47846 47847 47857 47861 47913 47948 48102 48111 48125 48419 48464 48718 48748 48751 48766 48803 48817 48856 48967 49074https://cdsarc.cds.unistra.fr/viz-bin/moc/III/168?format=asciiOpticaldefaultIII/168/catalogThe S Star catalogrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintCSS[1/1347]+ Numbermeta.id;meta.mainintprimaryindexedRA1900Right ascension hour (1900)pos.eq.ra;meta.mainDE1900Declination degree (1900)pos.eq.dec;meta.mainbmag? b magnitudemagphot.mag;em.opt.Bfloatnullablevmag? v magnitudemagphot.mag;em.opt.Vfloatnullableimag? i magnitudemagphot.mag;em.opt.IfloatnullableGLONGalactic longitudedegpos.galactic.lonGLATGalactic latitudedegpos.galactic.latfloatbmag_pubPublished b magnitudemagphot.mag;em.opt.Bcharvmag_pubPublsihed v magnitudemagphot.mag;em.opt.Vcharimag_pubPublished i magnitudemagphot.mag;em.opt.IcharSpTypeSpectral typesrc.spTypecharNamesDesignationsmeta.idcharNotesNotesmeta.notecharPosFlagPosition accuracy flagmeta.code.error;posint_RA.icrsRight ascension (ICRS) (computed by VizieR, not part of the original data)pos.eq.ranullableindexed_DE.icrsDeclination (ICRS) (computed by VizieR, not part of the original data)pos.eq.decnullableindexedIII/168/notesNotes to catalogCSS[1/1347]+= Numbermeta.id;meta.mainintnoteNotesmeta.notecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIII/168/reject*Suggested S stars rejectedrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAaRight ascension (1900)pos.eq.racharDEaDeclination (1900)pos.eq.deccharnameDesignationsmeta.id;meta.maincharnoteNotesmeta.notechar