Homogeneous Photometry Bright Stars on DDO System II/80 ivo://CDS.VizieR/II/80 CDS McClure R.D. Forrester W.T. 2018-01-10T11:48:08Z 2002-12-04T09:59:45Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr visible-astronomy ddo-photometry The catalogue of homogeneous photometry of bright stars on the DDO (System McClure and Forrester 1981) is a compilation of DDO photometry of 2196 bright G and K stars prepared from observations made at Kitt Peak National and Cerro Tololo Inter-American Observatories over the last several years using filter sets well matched to the standard system. The catalogue includes a large number of DDO stars whose data have been taken directly from the standard-star paper of McClure (1976AJ.....81..182M), plus a representative sample of stars selected from the Catalogue of Bright Stars (Hoffleit 1964, see Cat. V/50) and the Catalogue of High-Velocity Stars (Eggen 1964, see Cat. V/11) to have good velocities, spectral types and freedom from companion contamination. The catalogue contains HD Catalogue numbers, DM identifications; and the standard photometric indices of the DDO system. The number of observations from which each index was determined is also given, along with standard errors. The DDO 6-filter has the following peak wavelengths and widths: ------------------------ Filter Peak Width [nm] [nm] ------------------------ 35 346.0 38.3 38 381.5 33.0 41 416.6 8.3 42 425.7 7.3 45 451.7 7.6 48 488.6 18.6 ------------------------ 1981PDAO...15...14M https://cdsarc.cds.unistra.fr/viz-bin/cat/II/80 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/164 : DDO Photoelectric Photometric Catalog (Mermilliod+ 1989) GCPd/12 : DDO Photometry page at Lausanne (http://obswww.unige.ch/gcpd/ph12.html) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=II/80 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=II/80 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=II/80 https://vizier.cds.unistra.fr/viz-bin/votable?-source=II/80 https://vizier.iucaa.in/viz-bin/votable?-source=II/80 http://vizieridia.saao.ac.za/viz-bin/votable?-source=II/80 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table II/80/catalog (Catalog data) https://vizier.cds.unistra.fr/viz-bin/conesearch/II/80/catalog? https://vizier.iucaa.in/viz-bin/conesearch/II/80/catalog? http://vizieridia.saao.ac.za/viz-bin/conesearch/II/80/catalog? GET text/xml+votable 180.0 50000 true 1.342539 8.787809 0.005555555555555556 6/4 15 48 63 79 95 98 128 137 140 193 208 248 254 290 327 341 346 349 351 377 400 405 428 433 453 461 466 470 490 496 583 587 595 670 679 684 701 717 735 737 741 754 798 799 841 844 846 888 894 915 934 939 943 947 975 998 1001 1015 1017 1023 1032 1057 1064 1082 1116 1138 1143 1207 1218 1247 1249 1286 1293 1296 1297 1299 1341 1355 1358 1360 1371 1380 1399 1408 1410 1426 1430 1444 1452 1481 1495 1526 1535 1539 1603 1604 1610 1622 1696 1703 1704 1728 1749 1767 1770 1776 1790 1819 1853 1875 1907 1960 1998 2014 2017 2025 2028 2031 2127 2144 2177 2193 2202 2207 2209 2219 2229 2240 2273 2282 2321 2324 2327 2420 2433 2440 2447 2472 2476 2489 2490 2499 2504 2520 2525 2541 2577 2590 2591 2619 2678 2684 2697 2737 2749 2755 2784 2798 2826 2828 2834 2837 2839 2878 2904 2921 2923 2927 2970 2973 3015 3026 3031 3032 3033 3037 3077 3086 3087 3091 3094 3102 3105 3129 3138 3208 3219 3229 3240 3258 3259 3265 3268 3313 3324 3335 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47997 48104 48134 48136 48175 48183 48188 48242 48250 48269 48302 48330 48429 48434 48504 48516 48519 48525 48545 48572 48576 48694 48705 48735 48747 48765 48768 48804 48814 48886 48904 48943 48992 49045 49060 49109 49114 49121 49123 https://cdsarc.cds.unistra.fr/viz-bin/moc/II/80?format=ascii Optical default II/80/catalog Catalog data recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int HD ? Henry Draper Catalogue (III/135) number (blank for five stars not in the HD) meta.id int nullable m_HD ? HD Code (1=A component; 9 if HD and HD+1 included in observation; 0 otherwise) meta.code.multip int nullable DM Durchmusterung catalog (DM) identification meta.id;meta.main char m48 ? 48 filter magnitude m48 mag phot.mag;em.opt.B float nullable e_m48 ? Standard error sigma/sqrt(N) of m48 (1) mag stat.error float nullable f_m48 [*] Asterisk if error in m48 > 0.099 magnitude meta.code.error char C(45-48) Color-index C(45-48) mag phot.color float e_C(45-48) ? Standard error of C(45-48) mag stat.error float nullable C(42-45) Color index C(42-45) mag phot.color float e_C(42-45) ? Standard error of C(42-45). mag stat.error float nullable C(41-42) Color index C(41-42) mag phot.color float e_C(41-42) ? Standard error of C(41-42). mag stat.error float nullable C(38-41) ? Color index C(38-41) mag phot.color float nullable e_C(38-41) ? Standard error of C(38-41). mag stat.error float nullable f_C(38-41) [* ]Asterisk if error in C(38-41) > 0.099 meta.code.error char C(35-38) ? Color index C(35-38) mag phot.color float nullable e_C(35-38) ? Standard error of C(35-38). See bytes 25-26. mag stat.error float nullable f_C(35-38) [* ]Asterisk if error in C(35-38) > 0.099 meta.code.error char Nobs ? Number of observations meta.number int nullable f_Nobs [*S ] Note on Nobs meta.code.error char _RA Position, taken in Simbad from DM designation (right ascension part) deg pos.eq.ra;meta.main _DE Position, taken in Simbad from DM designation (declination part) deg pos.eq.dec;meta.main Simbad Simbad column added by the CDS meta.ref char