J/A+A/689/A185ivo://CDS.VizieR/J/A+A/689/A185doi:10.26093/cds/vizier.36890185CDSGodoy N.Choquet E.Serabyn E.Danielski C.Stolker T.Charnay B.,Hinkley S.Lagage P.O.Ressler M.E.Tremblin P.Vigan A.2025-02-13T20:01:21Z2024-11-04T08:11:55ZCDS support team

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

cds-question@unistra.frmultiple-starsinfrared-photometryHR 2562 B is a planetary-mass companion at an angular separation of 0.56arcsec (19au) from the host star, which is also a member of a select number of L/T transitional objects orbiting a young star. This companion gives us a great opportunity to contextualize and understand the evolution of young objects in the L/T transition. However, the main physical properties (e.g., Teff and mass) of this companion have not been well constrained (34% uncertainties on Teff , 22% uncertainty for log(g)) using only near-infrared (NIR) observations. We aim to narrow down some of its physical parameters uncertainties (e.g., Teff : 1200K-1700K, log(g): 4-5) incorporating new observations in the Rayleigh-Jeans tail with the JWST/MIRI filters at 10.65, 11.40, and 15.50um, as well as to understand its context in terms of the L/T transition and chemical composition. We processed the MIRI observations with reference star differential imaging (RDI) and detect the companion at high S/N (around 16) in the three filters, allowing us to measure its flux and astrometry. We used two atmospheric models, ATMO and Exo-REM, to fit the spectral energy distribution using different combinations of mid-IR and near-IR datasets. We also studied the color-magnitude diagram using the F1065C and F1140C filters combined with field brown dwarfs to investigate the chemical composition in the atmosphere of HR 2562 B, as well as a qualitative comparison with the younger L/T transitional companion VHS 1256 b. We improved the precision on the temperature of HR 2562 B (Teff=1255K) by a factor of 6x compared to previous estimates (+/-15K vs +/-100K) using ATMO. The precision of its luminosity was also narrowed down to ~4.69+/-0.01dex. The surface gravity still presents a wider range of values (4.4 to 4.8dex). While its mass was not narrowed down, we find the most probable values between 8M_Jup_ (3{sigma} lower limit from our atmospheric modeling) and 18.5MJup (from the upper limit provided by astrometric studies). We report a sensitivity to objects of mass ranging between 2-5M_Jup_ at 100au, reaching the lower limit at F1550C. We also implemented a few improvements in the pipeline related to the background subtraction and stages 1 and 2. HR 2562 B has a mostly (or near) cloud-free atmosphere, with the ATMO model demonstrating a better fit to the observations. From the color-magnitude diagram, the most probable chemical species at MIR wavelengths are silicates (but with a weak absorption feature); however, follow-up spectroscopic observations are necessary to either confirm or reject this finding. The mass of HR 2562 B could be better constrained with new observations at 3-4um. Although HR 2562 B and VHS 1256 b have very similar physical properties, both are in different evolutionary states in the L/T transition, which makes HR 2562 B an excellent candidate to complement our knowledge of young objects in this transition. Considering the actual range of possible masses, HR 2562 B could be considered as a planetary-mass companion; hence, its name then ought to be rephrased as HR 2562 b.2024A&A...689A.185Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/689/A185CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/MNRAS/513/5701 : Silicate clouds in ultracool dwarfs (Suarez+, 2022)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/689/A185https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/689/A185http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/689/A185https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/689/A185https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/689/A185http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/689/A185GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/689/A185/cmd (Color-magnitude diagram data)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/689/A185/cmd?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/689/A185/cmd?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/689/A185/cmd?GETtext/xml+votable180.050000true0.056325.90550.005555555555555556Cone search capability for table J/A+A/689/A185/table (HR2562b and VHS1256b data)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/689/A185/table?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/689/A185/table?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/689/A185/table?GETtext/xml+votable180.050000true102.504229692-60.2491447946600050.005555555555555556Cone search capability for table J/A+A/689/A185/list (List of fits datacubes)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/689/A185/list?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/689/A185/list?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/689/A185/list?GETtext/xml+votable180.050000true103.50426-59.248370.0055555555555555566/2789 3965 4316 4719 4775 4948 5000 5077 5200 5413 5560 5666 6047 6072 6261 6328 6613 6629 7220 7369 7440 7533 7985 8348 8402 8625 8783 8794 9009 9063 9072 9173 9449 9467 9479 9569 11164 11292 11719 11940 12579 12592 13425 13885 15085 16609 17530 18017 18060 18067 18156 18281 18450 18683 19050 19144 19369 19857 20141 20273 21209 21296 21861 22521 22681 22759 22861 22937 23471 24694 25055 25100 25558 25853 26210 26248 26564 26667 26861 27019 27058 27074 27618 27653 27698 30505 31009 31309 31319 31863 31871 32650 33767 34622 34660 34780 35499 36526 36845 38176 38683 38937 38942 39482 40228 40332 41984 43475 43966 44226 44284 44807 44954 45564 47192 491391.28157788114017e-20 1.2934455535160846e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/689/A185?format=asciiInfrareddefaultJ/A+A/689/A185/cmdColor-magnitude diagram datarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameTarget namemeta.id;meta.maincharONameID from Suarez and Metchev, 2022MNRAS.513.5701S, Cat. J/MNRAS/513/5701meta.idcharRAJ2000Right Ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Declination (J2000)degpos.eq.dec;meta.mainDist? Target distancepcpos.distancedoublenullablee_Dist? Target distance uncertaintypcstat.errordoublenullableSpType1? Spectral type (1)src.spTypecharSpType2? Secondary Spectral type classification (1)src.spTypecharWater? Water spectral index (1)spect.indexfloatnullablee_Water? Wather spectral index uncertaintystat.errorfloatnullableMethaneMethane spectral index (1)spect.indexfloate_MethaneMethane spectral index uncertaintystat.errorfloatAmmoniaAmmonia spectral index (1)spect.indexfloate_AmmoniaAmmonia spectral index uncertaintystat.errorfloatSilicates? Silicates spectral index (1)spect.indexfloatnullablee_Silicates? Silicates spectral index uncertaintystat.errorfloatnullableF1065CmagMIRI.F1065C (10.65um) apparent magnitude (2)magphot.mag;em.IR.Hdoublee_F1065CmagMIRI.F1065C apparent magnitude uncertainty (2)magstat.error;phot.magdoubleF1140CmagMIRI.F1140C (11.40um) apparent magnitude (2)magphot.mag;em.IR.8-15umdoublee_F1140CmagMIRI.F1140C apparent magnitude uncertainty (2)magstat.error;phot.magdoubleF1550Cmag? MIRI.F1550C (15.50um) apparent magnitude (2)magphot.mag;em.IR.8-15umdoublenullablee_F1550Cmag? MIRI.F1550C apparent magnitude uncertainty (2)magstat.error;phot.magdoublenullableF1065CMAG? MIRI.F1065C (10.65um) absolute magnitude (2)magphys.magAbsdoublenullablee_F1065CMAGMIRI.F1065C absolute magnitude uncertainty (2)magstat.errordoubleF1140CMAG? MIRI.F1140C (11.40um) absolute magnitude (2)magphys.magAbsdoublenullablee_F1140CMAGMIRI.F1140C absolute magnitude uncertainty (2)magstat.errordoubleF1550CMAG? MIRI.F1550C (15.50um) absolute magnitude (2)magphys.magAbsdoublenullablee_F1550CMAG? MIRI.F1550C absolute magnitude uncertainty (2)magstat.errordoublenullableSpTypeSpectral type adopted in this studysrc.spTypecharColorColor used to plot Fig. 14 and E.1 - sub-class color markers (3)meta.codecharSimbadNameSimbad column added by the CDSmeta.idcharnullableJ/A+A/689/A185/tableHR2562b and VHS1256b datae_DistTarget distance uncertaintypcstat.errordoublerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000Right Ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Declination (J2000)degpos.eq.dec;meta.mainDistTarget distancepcpos.distancedoubleF1065CmagMIRI.F1065C (10.65um) apparent magnitudemagphot.mag;em.IR.Hdoublee_F1065CmagMIRI.F1065C apparent magnitude uncertaintymagstat.error;phot.magdoubleF1140CmagMIRI.F1140C (11.40um) apparent magnitudemagphot.mag;em.IR.8-15umdoublee_F1140CmagMIRI.F1140C apparent magnitude uncertaintymagstat.error;phot.magdoubleF1550CmagMIRI.F1550C (15.50um) apparent magnitudemagphot.mag;em.IR.8-15umdoublee_F1550CmagMIRI.F1550C apparent magnitude uncertaintymagstat.error;phot.magdoubleF1065CMAGMIRI.F1065C (10.65um) absolute magnitudemagphys.magAbsdoublee_F1065CMAGMIRI.F1065C absolute magnitude uncertaintymagstat.errordoubleF1140CMAGMIRI.F1140C (11.40um) absolute magnitudemagphys.magAbsdoublee_F1140CMAGMIRI.F1140C absolute magnitude uncertaintymagstat.errordoubleF1550CMAGMIRI.F1550C (15.50um) absolute magnitudemagphys.magAbsdoublee_F1550CMAGMIRI.F1550C absolute magnitude uncertaintymagstat.errordoubleSimbadNameSimbad column added by the CDSmeta.idcharnullableNameTarget namemeta.id;meta.maincharJ/A+A/689/A185/cf1065cHR2562 contrast - F1065CSep-pixAngular separation in pixelspixpos.angDistancedoublerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSep-arcsecAngular separation in arcsec using 0.11arcsec/pixelarcsecpos.angDistancedoublecontrast5-sigma contrast computed using spaceKLIPphot.flux;arith.ratiodoublecontrast-mag5-sigma contrast in magnitudemagphot.flux;arith.ratiodoublesmoothed-contrastDe-noised contrast curvephot.flux;arith.ratiodoublesmoothed-contrast-magDe-noised contrast curve in magnitudemagphot.flux;arith.ratiodoubleJ/A+A/689/A185/cf1140cHR2562 contrast - F1140CrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSep-pixAngular separation in pixelspixpos.angDistancedoubleSep-arcsecAngular separation in arcsec using 0.11arcsec/pixelarcsecpos.angDistancedoublecontrast5-sigma contrast computed using spaceKLIPphot.flux;arith.ratiodoublecontrast-mag5-sigma contrast in magnitudemagphot.flux;arith.ratiodoublesmoothed-contrastDe-noised contrast curvephot.flux;arith.ratiodoublesmoothed-contrast-magDe-noised contrast curve in magnitudemagphot.flux;arith.ratiodoubleJ/A+A/689/A185/cf1550cHR2562 contrast - F1550CrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSep-pixAngular separation in pixelspixpos.angDistancedoubleSep-arcsecAngular separation in arcsec using 0.11arcsec/pixelarcsecpos.angDistancedoublecontrast5-sigma contrast computed using spaceKLIPphot.flux;arith.ratiodoublecontrast-mag5-sigma contrast in magnitudemagphot.flux;arith.ratiodoublesmoothed-contrastDe-noised contrast curvephot.flux;arith.ratiodoublesmoothed-contrast-magDe-noised contrast curve in magnitudemagphot.flux;arith.ratiodoubleJ/A+A/689/A185/listList of fits datacubesFileNameName of FITS file, in subdirectory fitsmeta.id;meta.fitscharTitleTitle of the FITS filemeta.title;meta.fitscharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000Right Ascension of center (J2000)degpos.eq.ra;meta.mainDEJ2000Declination of center (J2000)degpos.eq.dec;meta.mainNxNumber of pixels along X-axismeta.numberintNyNumber of pixels along Y-axismeta.numberintNzNumber of pixels along Z-axismeta.numberintsizeSize of FITS fileKibytephys.size;meta.fitsint