J/A+A/638/A103ivo://CDS.VizieR/J/A+A/638/A103doi:10.26093/cds/vizier.36380103CDSChornay N.Walton N.A.2021-09-08T07:14:31Z2020-06-23T07:07:02ZCDS support team

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

cds-question@unistra.frplanetary-nebulaephotometryvisible-astronomytrigonometric-parallaxAccurate distance measurements are fundamental to the study of planetary nebulae (PNe) but they have long been elusive. The most accurate and model-independent distance measurements for galactic PNe come from the trigonometric parallaxes of their central stars, which were only available for a few tens of objects prior to the Gaia mission. The accurate identification of PN central stars (CSPNe) in the Gaia source catalogues is a critical prerequisite for leveraging the unprecedented scope and precision of the trigonometric parallaxes measured by Gaia. Our aim is to build a complete sample of PN central star detections with minimal contamination. We developed and applied an automated technique based on the likelihood ratio method to match candidate central stars in Gaia Data Release 2 (DR2) to known PNe in the Hong Kong/AAO/Strasbourg H{alpha} (HASH) PN catalogue (Parker et al. 2016, 2016JPhCS.728c2008P), taking into account the BP-RP colours of the Gaia sources as well as their positional offsets from the nebula centres. These parameter distributions for both true central stars and background sources were inferred directly from the data. We present a catalogue of over 1000 Gaia sources that our method has automatically identified as likely PN central stars. We demonstrate how the best matches enable us to trace nebula and central star evolution and to validate existing statistical distance scales, and we discuss the prospects for further refinement of the matching based on additional data. We also compare the accuracy of our catalogue to that of previous works.2020A&A...638A.103Chttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/638/A103CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toI/345 : Gaia DR2 (Gaia Collaboration,, 2018)http://202.189.117.101:8999/gpne/index.php : HASH Home Pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/638/A103https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/638/A103http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/638/A103https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/638/A103https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/638/A103http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/638/A103GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/638/A103/tableb1 (Catalogue of best matches)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/638/A103/tableb1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/638/A103/tableb1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/638/A103/tableb1?GETtext/xml+votable180.050000true0.089124257.36879690.0055555555555555564/1803 5/3590 7171 7176 7178-7179 7182-7183 7193-7195 7198 7205 7209-7211 7216-7217 7226-7227 7264 7296 7300 7313 7564 10593 10613 10620 10623 6/177 361 415 1051 1101 1109 1111 1179 1200 1223 1245 1252 1284 1335 1338 1351 1399 1455-1456 1552 1562 1694 1718 1767 1778 1781 1783 1805 1844 1871 1891 1905 2162 2395 2522 2883 2887 2911 2979 2993 2997 3002 3008 3020 3056 3089 3094 3128 3152 3199 3218 3291 3294 3308 3316 3324-3325 3332 3350 3353 3365 3586 3621 3629 3637 3643 3651 3659 3662 3683 3732 3739 3779 3802 3819 4244 4370 4690 5037 5591 5996 6015 6146 6202 6292 6654 6787 6857 7090 7134 7252 7392 7610 8475 8719 9233 9276 9461 9806 10049 11176 11339 11605 12222 12409 12474 12515 12520 12577 12692 12812 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41363 41371 41405-41406 41428 41434 41437 41439 41442 41448-41450 41452 41456 41461 41463-41465 41467-41468 41470-41471 41495 41549 41551 41558 41570 41572 41574-41576 41579-41581 41591-41592 41596 41602 41608 41613 41623 41631 41636 41638-41641 41647 41652 41656 41658 41664-41666 41669 41672 41674 41676 41679 41683 41685 41687 41690 41693 41695 41702 41705 41710 41713 41718 41725 41729 41732 41734 41736 41741 41748 41750 41752 41754 41757 41768 41775 41781 41783 41787 41789 41792-41793 41795 41798-41799 41803 41806 41822 41826 41828-41829 41831-41832 41837 41841-41842 41849 41854 41858 41862-41864 41869 41876-41877 41886 41892 41896 41903 41912 41920 41936 41940 41946 41950 42004-42005 42034 42044 42056 42059 42074 42088 42090 42094-42095 42098-42099 42101 42109 42125 42133 42135 42137-42140 42142 42144 42147-42148 42151 42153 42155 42157-42158 42160 42162-42163 42168 42172 42176 42181 42185-42186 42188 42190 42192-42194 42199 42201-42202 42205 42212 42214 42218-42219 42222-42223 42227 42229 42232-42234 42237-42238 42254 42259 42267 42274 42279 42283-42285 42289 42291-42292 42295-42296 42300 42302-42303 42306 42310 42312-42314 42319 42321 42327 42335 42337 42339 42342-42343 42348 42351 42354-42355 42358-42361 42363 42366-42367 42371 42386-42389 42394 42396 42413-42414 42417-42419 42422-42423 42425-42427 42431 42437 42442 42460 42464 42468 42470-42471 42474-42475 42478-42479 42487 42489 42504-42505 42508 42510-42512 42521 42523 42532 42534 42536 42540 42547 42560 42564 42572 42577 42579 42589 42598-42599 42601 42621 42632 42659 42664-42665 42691 42709 42711 42753 42756 42758 42770 42775 42792 42795 42811 42819 42821-42822 42824 42828 42832-42833 42835 42837 42842 42845 42853 42863 42872 42893 42897-42898 43006 43012 43021 43024 43029 43035 43039 43044 43046 43053 43063 43078 43080 43083 43087 43092 43139 43150 43163 43169 43272-43273 43296 43360 43579 43588 43648 43787 44048 44110 44383 44416 44703 44707 44714 44936 44969 45075 45170 45243 46712 47100 47202 47466 47591 47618 47627 47651 47658 47661 47663 47711 47782 47785 47789 47791 47793 47795 47799 47802 47855 47867 47871 47921 47991 48018-48019 48032 48035 48146 48181 48775-48776 48803 48951 490831.9867573869263685e-19 3.916500758235022e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/638/A103?format=asciiOpticaldefaultJ/A+A/638/A103/tableb1Catalogue of best matchesSimbadNameSimbad column added by the CDSmeta.idchare_plx? Gaia parallax errormasstat.error;pos.parallaxdoublenullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintPNGPN G identifier (from HASH) (1)meta.id;meta.maincharName? PN name (from HASH)meta.idcharSourceGaia DR2 source identifiermeta.idRAdegGaia Right ascension (ICRS) at Ep=2015.5degpos.eq.raDEdegGaia Declination (ICRS) at Ep=2015.5degpos.eq.decRel[0/1] Reliability of match (2)meta.code.qualdoubleSepSeparation between Gaia and PN positionarcsecpos.angDistancedoubleBP-RP? Gaia (BP-RP) colourmagphot.color;em.opt.B;em.opt.RdoublenullableGmagGaia G magnitudemagphot.mag;em.optdoubleplx? Gaia parallaxmaspos.parallax.trigdoublenullableRUWEGaia renormalised unit weight errorstat.errordoublepnRAdegPN Right ascension (ICRS, J2000) (from HASH)degpos.eq.radoublepnDEdegPN Declination (ICRS, J2000) (from HASH)degpos.eq.decdoublepnRad? PN radius (from HASH) (3)arcsecphys.angSize;srcfloatnullablepnStat[TLP] PN confirmation status (from HASH) (4)meta.codecharXMatchCross-match flags (5)meta.codeint_RAPositions caltulees par Vizier (right ascension part)degpos.eq.ra;meta.main_DEPositions caltulees par Vizier (declination part)degpos.eq.dec;meta.main