J/ApJS/255/16ivo://CDS.VizieR/J/ApJS/255/16doi:10.26093/cds/vizier.22550016CDSGunar S.Koza J.Schwartz P.Heinzel P.Liu W.2022-03-10T07:39:52Z2021-11-25T16:09:48ZCDS support team

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

cds-question@unistra.frthe-sunultraviolet-astronomyWe derived high-precision reference profiles of the MgII h and k lines that represent the quiet Sun during a minimum of the solar activity. To do so, we used the broad catalog of full-Sun mosaics obtained by the Interface Region Imaging Spectrograph (IRIS). To minimize the influence of the local variations due to the on-disk solar features and to achieve low levels of uncertainties, we used 12 IRIS full-Sun mosaics without sunspots or other significant signs of solar activity. These mosaics were obtained between 2019 April and 2020 September in the near-ultraviolet spectral range. In this paper, we present the disk-averaged reference profiles of MgII h and MgII k lines, together with a series of reference profiles spanning the distance between the disk center and the solar limb. These series of profiles offer a detailed representation of the center-to-limb variation of both MgII h and MgII k lines. The reference MgII h and k line profiles provided in this paper can be used as the incident radiation boundary condition for radiative-transfer modeling of prominences, spicules, and other coronal and chromospheric structures.2021ApJS..255...16Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/255/16CatalogResearchIsServedByTAP VizieR generic servicerelated-toJ/A+A/423/1109 : Center-to-limb variation of quiet Sun (Allende+, 2004)J/A+A/432/1063 : Analysis of inner solar corona in EUV (Lanzafame+, 2005)J/ApJS/213/11 : UV spectrum of the quiet Sun above the limb (Warren+, 2014)J/A+A/624/A36 : EUV irradiances of the quiet Sun (Del Zanna, 2019)J/A+A/644/A109 : Quiet-sun hydrogen Lyman-alpha line profile (Gunar+, 2020)J/ApJ/897/L10 : Disturbance storm time index (Hayakawa+, 2020)http://iris.lmsal.com/mosaic.html : IRIS full-disk mosaics datahttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/255/16https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/255/16http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/255/16https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/255/16https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/255/16http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/255/16GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapUVdefaultJ/ApJS/255/16/table3MgII k reference profiles in individual zones a-jrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintdelLam[-1.75/1.75] Wavelength separation, {Delta}{lambda} in {AA} (1)0.1nmem.wl;arith.difffloataI[32/316] Zone a MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_aI[2/14] Percent uncertainty in aI%stat.errorintbI[31/311] Zone b MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_bI[2/14] Percent uncertainty in bI%stat.errorintcI[30/306] Zone c MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_cI[2/14] Percent uncertainty in cI%stat.errorintdI[29/302] Zone d MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_dI[2/15] Percent uncertainty in dI%stat.errorinteI[28/297] Zone e MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_eI[2/15] Percent uncertainty in eI%stat.errorintfI[26/290] Zone f MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_fI[2/16] Percent uncertainty in fI%stat.errorintgI[25/281] Zone g MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_gI[2/17] Percent uncertainty in gI%stat.errorinthI[23/268] Zone h MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_hI[2/18] Percent uncertainty in hI%stat.errorintiI[21/250] Zone i MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_iI[2/20] Percent uncertainty in iI%stat.errorintjI[17/212] Zone j MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_jI[3/24] Percent uncertainty in jI%stat.errorintJ/ApJS/255/16/table4MgII h reference profiles in individual zones a-jrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintdelLam[-1.75/1.75] Wavelength separation, {Delta}{lambda} in {AA} (1)0.1nmem.wl;arith.difffloataI[32/316] Zone a MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_aI[2/14] Percent uncertainty in aI%stat.errorintbI[31/311] Zone b MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_bI[2/14] Percent uncertainty in bI%stat.errorintcI[30/306] Zone c MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_cI[2/14] Percent uncertainty in cI%stat.errorintdI[29/302] Zone d MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_dI[2/15] Percent uncertainty in dI%stat.errorinteI[28/297] Zone e MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_eI[2/15] Percent uncertainty in eI%stat.errorintfI[26/290] Zone f MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_fI[2/16] Percent uncertainty in fI%stat.errorintgI[25/281] Zone g MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_gI[2/17] Percent uncertainty in gI%stat.errorinthI[23/268] Zone h MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_hI[2/18] Percent uncertainty in hI%stat.errorintiI[21/250] Zone i MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_iI[2/20] Percent uncertainty in iI%stat.errorintjI[17/212] Zone j MgII specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityinte_jI[3/24] Percent uncertainty in jI%stat.errorintJ/ApJS/255/16/table5The disk-averaged MgII k reference profilerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintdelLam[-1.75/1.75] Wavelength separation; {Delta}{lambda} in {AA} (1)0.1nmem.wl;arith.difffloatI1[26/280] Specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityintI2[6.8e-8/7.4e-7] Specific intensity; in erg/s/cm2/sr/Hz unitsmW.m**-2.sr**-1.Hz**-1spect.line.intensitydoubleEe[1.79/19.05] Spectral irradiancecW.m**-2.nm**-1spect.indexfloatsigma[2/16] Percent uncertainty in intensity & irradiance%stat.error;stat.value;arith.ratiointJ/ApJS/255/16/table6The disk-averaged MgII h reference profilerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintdelLam[-1.75/1.75] Wavelength separation; {Delta}{lambda} in {AA} (1)0.1nmem.wl;arith.difffloatI1[26/280] Specific intensity (2)10W.m**-2.sr**-1.nm**-1spect.line.intensityintI2[6.8e-8/7.4e-7] Specific intensity; in erg/s/cm2/sr/Hz unitsmW.m**-2.sr**-1.Hz**-1spect.line.intensitydoubleEe[1.79/19.05] Spectral irradiancecW.m**-2.nm**-1spect.indexfloatsigma[2/16] Percent uncertainty in intensity & irradiance%stat.error;stat.value;arith.ratioint