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Article: IGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane

TitleIGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane
Authors
Keywordsstars: general
stars: evolution
Galaxy: disk
surveys
catalogs
Issue Date2020
PublisherEDP Sciences. The Journal's web site is located at http://www.aanda.org
Citation
Astronomy & Astrophysics, 2020, v. 638, p. A18:1-A18:26 How to Cite?
AbstractThe INT Galactic Plane Survey (IGAPS) is the merger of the optical photometric surveys, IPHAS and UVEX, based on data from the Isaac Newton Telescope (INT) obtained between 2003 and 2018. Here, we present the IGAPS point source catalogue. It contains 295.4 million rows providing photometry in the filters, i, r, narrow-band Hα, g, and URGO. The IGAPS footprint fills the Galactic coordinate range, |b| < 5° and 30° < ℓ < 215°. A uniform calibration, referred to as the Pan-STARRS system, is applied to g, r, and i, while the Hα calibration is linked to r and then is reconciled via field overlaps. The astrometry in all five bands has been recalculated in the reference frame of Gaia Data Release 2. Down to i ∼ 20 mag (Vega system), most stars are also detected in g, r, and Hα. As exposures in the r band were obtained in both the IPHAS and UVEX surveys, typically a few years apart, the catalogue includes two distinct r measures, rI and rU. The r 10σ limiting magnitude is approximately 21, with median seeing of 1.1 arcsec. Between approximately 13th and 19th mag in all bands, the photometry is internally reproducible to within 0.02 mag. Stars brighter than r = 19.5 mag are tested for narrow-band Hα excess signalling line emission, and for variation exceeding |rI − rU| = 0.2 mag. We find and flag 8292 candidate emission line stars and over 53 000 variables (both at > 5σ confidence).
Persistent Identifierhttp://hdl.handle.net/10722/285452
ISSN
2019 Impact Factor: 5.636
2015 SCImago Journal Rankings: 2.446
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorMonguió, M-
dc.contributor.authorGreimel, R-
dc.contributor.authorDrew, JE-
dc.contributor.authorBarentsen, G-
dc.contributor.authorGroot, PJ-
dc.contributor.authorIrwin, MJ-
dc.contributor.authorCasares, J-
dc.contributor.authorGänsicke, BT-
dc.contributor.authorCarter, PJ-
dc.contributor.authorCorral-Santana, JM-
dc.contributor.authorGentile-Fusillo, NP-
dc.contributor.authorGreiss, S-
dc.contributor.authorvan Haaften, LM-
dc.contributor.authorHollands, M-
dc.contributor.authorJones, D-
dc.contributor.authorKupfer, T-
dc.contributor.authorManser, CJ-
dc.contributor.authorMurphy, DNA-
dc.contributor.authorMcLeod, AF-
dc.contributor.authorOosting, T-
dc.contributor.authorParker, QA-
dc.contributor.authorPyrzas, S-
dc.contributor.authorRodríguez-Gil, P-
dc.contributor.authorvan Roestel, J-
dc.contributor.authorScaringi, S-
dc.contributor.authorSchellart, P-
dc.contributor.authorToloza, O-
dc.contributor.authorVaduvescu, O-
dc.contributor.authorvan Spaandonk, L-
dc.contributor.authorVerbeek, K-
dc.contributor.authorWright, NJ-
dc.contributor.authorEislöffel, J-
dc.contributor.authorFabregat, J-
dc.contributor.authorHarris, A-
dc.contributor.authorMorris, RAH-
dc.contributor.authorPhillipps, S-
dc.contributor.authorRaddi, R-
dc.contributor.authorSabin, L-
dc.contributor.authorUnruh, Y-
dc.contributor.authorVink, JS-
dc.contributor.authorWesson, R-
dc.contributor.authorCardwell, A-
dc.contributor.authorde Burgos, A-
dc.contributor.authorCochrane, RK-
dc.contributor.authorDoostmohammadi, S-
dc.contributor.authorMocnik, T-
dc.contributor.authorStoev, H-
dc.contributor.authorSuárez-Andrés, L-
dc.contributor.authorTudor, V-
dc.contributor.authorWilson, TG-
dc.contributor.authorZegmott, TJ-
dc.date.accessioned2020-08-18T03:53:33Z-
dc.date.available2020-08-18T03:53:33Z-
dc.date.issued2020-
dc.identifier.citationAstronomy & Astrophysics, 2020, v. 638, p. A18:1-A18:26-
dc.identifier.issn0004-6361-
dc.identifier.urihttp://hdl.handle.net/10722/285452-
dc.description.abstractThe INT Galactic Plane Survey (IGAPS) is the merger of the optical photometric surveys, IPHAS and UVEX, based on data from the Isaac Newton Telescope (INT) obtained between 2003 and 2018. Here, we present the IGAPS point source catalogue. It contains 295.4 million rows providing photometry in the filters, i, r, narrow-band Hα, g, and URGO. The IGAPS footprint fills the Galactic coordinate range, |b| < 5° and 30° < ℓ < 215°. A uniform calibration, referred to as the Pan-STARRS system, is applied to g, r, and i, while the Hα calibration is linked to r and then is reconciled via field overlaps. The astrometry in all five bands has been recalculated in the reference frame of Gaia Data Release 2. Down to i ∼ 20 mag (Vega system), most stars are also detected in g, r, and Hα. As exposures in the r band were obtained in both the IPHAS and UVEX surveys, typically a few years apart, the catalogue includes two distinct r measures, rI and rU. The r 10σ limiting magnitude is approximately 21, with median seeing of 1.1 arcsec. Between approximately 13th and 19th mag in all bands, the photometry is internally reproducible to within 0.02 mag. Stars brighter than r = 19.5 mag are tested for narrow-band Hα excess signalling line emission, and for variation exceeding |rI − rU| = 0.2 mag. We find and flag 8292 candidate emission line stars and over 53 000 variables (both at > 5σ confidence).-
dc.languageeng-
dc.publisherEDP Sciences. The Journal's web site is located at http://www.aanda.org-
dc.relation.ispartofAstronomy & Astrophysics-
dc.rightsReproduced with permission from [journal name], © [copyright holder] [2020]. The original publication is available at https://doi.org/10.1051/0004-6361/201937333-
dc.subjectstars: general-
dc.subjectstars: evolution-
dc.subjectGalaxy: disk-
dc.subjectsurveys-
dc.subjectcatalogs-
dc.titleIGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane-
dc.typeArticle-
dc.identifier.emailParker, QA: quentinp@hku.hk-
dc.identifier.authorityParker, QA=rp02017-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1051/0004-6361/201937333-
dc.identifier.scopuseid_2-s2.0-85088130749-
dc.identifier.hkuros312889-
dc.identifier.volume638-
dc.identifier.spageA18:1-
dc.identifier.epageA18:26-
dc.identifier.isiWOS:000540420700005-
dc.publisher.placeFrance-
dc.identifier.issnl0004-6361-

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