J/ApJ/945/107ivo://CDS.VizieR/J/ApJ/945/107doi:10.26093/cds/vizier.19450107CDSPearson J.Hosseinzadeh G.Sand D.J.Andrews J.E.Jencson J.E.,Dong Y.Bostroem K.A.Valenti S.Janzen D.Retamal N.M.,Lundquist M.J.Wyatt S.Amaro R.C.Burke J.Howell D.A.McCully C.,Hiramatsu D.Jha S.W.Smith N.Haislip J.Kouprianov V.,Reichart D.E.Yang YiRho J.2025-05-21T20:15:02Z2025-03-05T15:24:36ZCDS support team

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

cds-question@unistra.frsupernovaeinfrared-photometryvisible-astronomybroad-band-photometryspectroscopyWe present photometric and spectroscopic data of SN 2018lab, a low-luminosity Type IIP supernova (LLSN) with a V-band peak luminosity of -15.1+/-0.1mag. SN 2018lab was discovered by the Distance Less Than 40Mpc (DLT40) SN survey only 0.73d post-explosion, as determined by observations from the Transiting Exoplanet Survey Satellite (TESS). TESS observations of SN 2018lab yield a densely sampled, fast-rising, early-time light curve likely powered by ejecta-circumstellar medium (CSM) interaction. The blueshifted, broadened flash feature in the earliest spectra (<2d) of SN 2018lab provides further evidence for ejecta-CSM interaction. The early emission features in the spectra of SN 2018lab are well described by models of a red supergiant progenitor with an extended envelope and a close-in CSM. As one of the few LLSNe with observed flash features, SN 2018lab highlights the need for more early spectra to explain the diversity of the flash feature morphology of Type II SNe.2023ApJ...945..107Phttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/945/107CatalogResearchIsServedByTAP VizieR generic servicerelated-toVIII/77 : HI spectral properties of galaxies (Springob+, 2005)J/ApJ/642/158 : IRAC flux densities in IC2163 and NGC2207 (Elmegreen+, 2006)J/A+A/465/71 : 21cm observations of 452 galaxies (Theureau+, 2007)J/MNRAS/394/21 : Multi-epoch spectroscopy of SN 1994W (Dessart+, 2009)J/MNRAS/394/2266 : SN 2005cs one-year photometry (Pastorello+, 2009)J/MNRAS/395/1409 : Type II-P SN progenitor constraints (Smartt+, 2009)J/ApJ/736/159 : Photometry monitoring of the SN PTF10vdl (Gal-Yam+, 2011)J/MNRAS/442/844 : BVRI light curves of type II-P supernovae (Faran+, 2014)J/MNRAS/438/L101 : First month on SN 2013ej (Valenti+, 2014)J/ApJ/799/208 : Type IIP supernovae from Pan-STARRS1 (Sanders+, 2015)J/A+A/579/A40 : PESSTO catalog (Smartt+, 2015)J/MNRAS/449/1876 : Photometric observations of SN PTF11iqb (Smith+, 2015)J/MNRAS/450/3137 : Optical/NIR light curves of SN 2009ib (Takats+, 2015)J/AJ/151/33 : UBVRIz LCs of 51 Type II supernovae (Galbany+, 2016)J/ApJ/820/33 : R-band light curves of type II supernovae (Rubin+, 2016)J/MNRAS/459/3939 : Type II supernova light curves (Valenti+, 2016)J/MNRAS/461/2003 : SN 2013ej LCs 1 to 450d after explosion (Yuan+, 2016)J/ApJ/839/88 : Unusual IR transients with Spitzer (SPRITEs) (Kasliwal+, 2017)J/ApJ/861/63 : Type IIP SN 2016bkv LCs and spectra (Hosseinzadeh+, 2018)J/ApJ/853/62 : Optical and NIR spectra and LCs of SN2016ija (Tartaglia+, 2018)J/ApJ/885/43 : UBVRI & ugriz phot. of supernova SN 2017gmr (Andrews+, 2019)J/ApJ/886/40 : Luminous SPIRITS IR transients follow-up obs. (Jencson+, 2019)J/ApJ/895/31 : Photometric observations of Type II SN 2018ivc (Bostroem+, 2020)J/ApJ/902/6 : UV to visible-light obs. of SN 2018fif (Soumagnac+, 2020)J/ApJ/912/46 : ZTF Type II supernovae with follow-up obs. (Bruch+, 2021)J/ApJ/938/19 : Optical phot. and sp. monitoring of SN 2019esa (Andrews+, 2022)J/ApJ/924/15 : Final moments. I. Type II SN 2020tlf (Jacobson-Galan+, 2022)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/945/107https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/945/107http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/945/107https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/945/107https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/945/107http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/945/107GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticalInfrareddefaultJ/ApJ/945/107/table1Log of spectroscopic observationsExp[600/3600] Exposure timestime.duration;obs.exposurefloatspInteractive spectrum plotmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintDateDate of observation (UT)time.epochnullableJDJulian Datedtime.epochdoubleEpoch[1.6/308] Epoch of observationdtime.epochfloatTelTelescopemeta.id;instr.telcharInstInstrumentmeta.id;instrcharJ/ApJ/945/107/fig3SN 2018lab light curvesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMJDModified Julian Datedtime.epochdoubleFiltFilter used (1)instr.setup;instr.filtercharl_mag[False/True ] Detection flag (2)meta.code.errorcharmag[16/20.7] Apparent magnitude in Filtermagphot.magfloate_mag[0/0.32]? Uncertainty in magmagstat.error;phot.magfloatnullablePhase[-5057/216] Rest frame days since explosiondtime.phasedoubleJ/ApJ/945/107/fig9Spectroscopic evolution of SN 2018labrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintID[1/12] Spectrum identifier code (1)meta.id;meta.mainintlambda[3145.6/10196.2] Wavelength; Angstroms0.1nmem.wldoubleFlux[-1.3e-15/3.3e-15] Flux density; erg/s/cm^2^/AngstromscW.m**-2.nm**-1phot.fluxdouble