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GRB201221D

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    GRB and Host Properties
    Attribute Values Telescope Ref
    $$\textrm{GRB Name}$$ $$\textrm{ GRB201221D }$$ $$-$$ $$-$$
    $$\textrm{Host RA}$$ $$\textrm{ 11:24:14.064 }$$ $$\textrm{ Keck/MOSFIRE }$$ $$\textrm{ BRIGHT }$$
    $$\textrm{Host Dec}$$ $$\textrm{ +42:08:40.047 }$$ $$\textrm{ Keck/MOSFIRE }$$ $$\textrm{ BRIGHT }$$
    $$z^{*}$$ \(1.055^{ + 0.001 }_{ -0.001 }\) $$-$$ $$\textrm{ BRIGHT }$$
    $$T_{90} \textrm{ } \textrm{(s)}$$ \(0.16\) $$-$$ $$-$$
    $$\textrm{Fluence} \textrm{ } (10^{-8} \textrm{erg} \times \textrm{cm}^{-2})$$ \(39.0^{ + 4.0 }_{ -4.0 }\) $$-$$ $$-$$
    $$\textrm{X-Ray Detection}$$ $$\textrm{ yes }$$ $$-$$ $$-$$
    $$\textrm{Optical Detection}$$ $$\textrm{ yes }$$ $$-$$ $$-$$
    $$\textrm{Radio Detection}$$ $$\textrm{ no }$$ $$-$$ $$-$$
    $$\textrm{ g }$$ \(23.2^{ + 0.2 }_{ -0.2 }\) $$\textrm{ PS1 }$$ $$\textrm{ GCN 29133 }$$
    $$ r $$ $$\textrm{FITS}$$ \(23.418^{ + 0.076 }_{ -0.076 }\) $$\textrm{ MMT/Binospec }$$ $$\textrm{ BRIGHT }$$
    $$ i $$ $$\textrm{FITS}$$ \(23.358^{ + 0.126 }_{ -0.126 }\) $$\textrm{ MMT/Binospec }$$ $$\textrm{ BRIGHT }$$
    $$ Y $$ $$\textrm{FITS}$$ \(23.008^{ + 0.131 }_{ -0.131 }\) $$\textrm{ MMT/MMIRS }$$ $$\textrm{ BRIGHT }$$
    $$ J $$ $$\textrm{FITS}$$ \(22.328^{ + 0.087 }_{ -0.087 }\) $$\textrm{ MMT/MMIRS }$$ $$\textrm{ BRIGHT }$$
    $$ H $$ $$\textrm{FITS}$$ \(22.882^{ + 0.179 }_{ -0.179 }\) $$\textrm{ MMT/MMIRS }$$ $$\textrm{ BRIGHT }$$
    $$ K $$ $$\textrm{FITS}$$ \(22.205^{ + 0.127 }_{ -0.127 }\) $$\textrm{ Keck/MOSFIRE }$$ $$\textrm{ BRIGHT }$$
    $$\textrm{observed spectroscopy}$$ $$\textrm{Download CSV}$$ $$\textrm{ Keck/LRIS }$$ $$\textrm{ BRIGHT }$$
    $$\textrm{model photometry}$$ $$\textrm{Download CSV}$$ $$-$$ $$-$$
    $$\textrm{model spectroscopy}$$ $$\textrm{Download CSV}$$ $$-$$ $$-$$

    * Spectroscopically determined Redshift


    Stellar Population Properties
    Attribute Values
    $$\textrm{Host Morphology}$$ $$-$$
    $$\textrm{Star Formation Classification}$$ \(\textrm{ Star-forming }\)
    $$\textrm{Offset (arcsec)}$$ \(3.57^{ + 2.93 }_{ -2.93 }\)
    $$\textrm{Offset (kpc)}$$ \(29.35^{ + 24.09 }_{ -24.09 }\)
    $$\textrm{Effective Radius } (r_{e})$$ $$-$$
    $$\textrm{Host Normalized Offset } (r_{e})$$ $$-$$
    $$\textrm{Probability of Chance Coincidence}$$ $$0.1155$$
    $$\textrm{log}(M_* / M_{\odot})$$ \(9.36^{ + 0.03 }_{ -0.03 }\)
    $$t_{m} \textrm{ } \textrm{(Gyr)}$$ \(0.27^{ + 0.01 }_{ -0.01 }\)
    $$\textrm{SFR} (M_{\odot} \times yr^{-1})$$ \(2.36^{ + 0.28 }_{ -0.26 }\)
    $$\log(Z_*/Z_{\odot})$$ \(-0.5^{ + 0.02 }_{ -0.02 }\)
    $$\log(Z_{\textrm{GAS}}/Z_{\odot})$$ \(-1.98^{ + 0.01 }_{ -0.01 }\)
    $$A_{V} \textrm{ } \textrm{(mag)}$$ \(0.17^{ + 0.07 }_{ -0.07 }\)