T5V Standards: Burgasser06 stan: 2MASS J15031961+2525196 T5 (primary standard) 2MASS J07554795+2212169 T5 (alternative standard) Teff(T5V) = 1009 K ; pri. stan. 2MASS_1503+2525 (Kirkpatrick19; plx=157.2+-2.2mas) Teff(T5V) = 1016 K ; pri. stan. 2MASS J15031961+2525196 (Kirkpatrick20) Teff(T5V) = 1033 K ; Filipazzo15 M6V-T9V field calibration Teff(T5V) = 1034 K ; logL=-5.132 => BT-Settl 3Gyr [Fe/H] isochrone (Rad=0.0846Rsun) Teff(T5V) = 1182 K ; Dupuy17(SaumonMarley08 model scale) Teff(T5V) = 1164 K ; Dupuy17(Lyon model scale) Teff(T5V) = 1126 K ; Kirkpatrick20 (Table 13 polynomial) => adopt Teff(T5V) = 1160 K (logT = 3.064) [updated 12/26/2020] (seems strange that the primary standard would have a Teff so far off these other values?) M_J(T5V) = 14.42 ; 2MASS_2331-4718 calc using Kirkpatrick20 (plx=56.5mas) M_J(T5V) = 14.65 ; CWISE_0613+4808 calc using Kirkpatrick20 (plx=49.7mas) M_J(T5V) = 14.66 ; 2MASS_2318-1301 calc using Kirkpatrick20 (plx=66.5mas) M_J(T5V) = 14.68 ; WISE_0546-0959 calc using Kirkpatrick20 (plx=50.4mas) M_J(T5V) = 14.79 ; 2MASS_2339+1352 calc using Kirkpatrick20 (plx=51.2mas) M_J(T5V) = 14.81 ; SDSS_2124+0100 calc using Kirkpatrick20 (plx=57.0mas) M_J(T5V) = 14.85 ; CWISE_0540-1802 calc using Kirkpatrick20 (plx=59.2mas) M_J(T5V) = 14.87 ; 2MASS_0755+2212 calc using Kirkpatrick20 (plx=67.4mas) (alt. stan.) M_J(T5V) = 14.88 ; 2MASS_0510-4208 calc using Kirkpatrick20 (plx=53.84mas) M_J(T5V) = 14.88 ; M_J(MKO)=14.62, J(MKO)-J=-0.26 M_J(T5V) = 14.89 ; 2MASS_1503+2525 calc using Kirkpatrick20 (plx=154.9208mas) (pri. stan.) M_J(T5V) = 14.93 ; WISE_0045+3611 calc using Kirkpatrick20 (plx=57.0mas) M_J(T5V) = 14.94 ; SDSS_1358+3747 calc using Kirkpatrick20 (plx=49.6mas) M_J(T5V) = 15.00 ; 2MASS_1901+4718 calc using Kirkpatrick20 (plx=67.3mas) M_J(T5V) = 15.20 ; SDSS_0742+2055 calc using Kirkpatrick20 (plx=63.5mas) M_J(T5V) = 15.79 ; WISE_0448-1935 calc using Kirkpatrick20 (plx=57.6mas) M_J(T5V) = 15.97 ; WISE_1707-1744 calc using Kirkpatrick20 (plx=86.0mas) => adopt M_J(T5V) = 14.88 [updated 12/5/2020] (M_J(MKO)=14.61, J(MKO)-J=-0.27) M_J(MKO)(T5V) = 14.13 ; 2MASS_2331-4718 calc using Kirkpatrick20 (plx=56.5mas) M_J(MKO)(T5V) = 14.37 ; 2MASS_2339+1352 calc using Kirkpatrick20 (plx=51.2mas) M_J(MKO)(T5V) = 14.42 ; 2MASS_2318-1301 calc using Kirkpatrick20 (plx=66.5mas) M_J(MKO)(T5V) = 14.47 ; WISE_0546-0959 calc using Kirkpatrick20 (plx=50.4mas) M_J(MKO)(T5V) = 14.53 ; 2MASS_0510-4208 calc using Kirkpatrick20 (plx=53.84mas) M_J(MKO)(T5V) = 14.57 ; 2MASS_1503+2525 calc using Kirkpatrick20 (plx=154.9208mas) (pri. stan.) M_J(MKO)(T5V) = 14.61 ; M_J=14.88, J(MKO)-J=-0.27 M_J(MKO)(T5V) = 14.62 ; 2MASS_0755+2212 calc using Kirkpatrick20 (plx=67.4mas) (alt standard) M_J(MKO)(T5V) = 14.64 ; SDSS_2124+0100 calc using Kirkpatrick20 (plx=57.0mas) M_J(MKO)(T5V) = 14.66 ; WISE_0045+3611 calc using Kirkpatrick20 (plx=57.0mas) M_J(MKO)(T5V) = 14.67 ; 2MASS_1901+4718 calc using Kirkpatrick20 (plx=67.3mas) M_J(MKO)(T5V) = 14.77 ; SDSS_0742+2055 calc using Kirkpatrick20 (plx=63.5mas) M_J(MKO)(T5V) = 14.81 ; CWISE_0540-1802 calc using Kirkpatrick20 (plx=59.2mas) M_J(MKO)(T5V) = 15.41 ; WISE_0448-1935 calc using Kirkpatrick20 (plx=57.6mas) M_J(MKO)(T5V) = 15.92 ; WISE_1707-1744 calc using Kirkpatrick20 (plx=86.0mas) => adopt M_J(MKO)(T5V) = 14.61 [updated 12/5/2020] (M_J=14.88, J(MKO)-J=-0.27) (J(MKO)-J)(T5V) = -0.43 +- 0.09 ; SDSS__0742+2055 (J(MKO)-J)(T5V) = -0.42 +- 0.11 ; 2MASS_2339+1352 (J(MKO)-J)(T5V) = -0.38 +- 0.17 ; WISE__0448-1935 (J(MKO)-J)(T5V) = -0.35 +- 0.09 ; 2MASS_0510-4208 (J(MKO)-J)(T5V) = -0.33 +- 0.07 ; 2MASS_1901+4718 (J(MKO)-J)(T5V) = -0.32 +- 0.02 ; 2MASS_1503+2525 (pri. stan.) (J(MKO)-J)(T5V) = -0.29 +- 0.07 ; 2MASS_2331-4718 (J(MKO)-J)(T5V) = -0.27 +- 0.08 ; WISE__0045+3611 (J(MKO)-J)(T5V) = -0.26 +- 0.09 ; SDSS__1358+3747 (J(MKO)-J)(T5V) = -0.25 +- 0.06 ; 2MASS_0755+2212 (alt stan.) (J(MKO)-J)(T5V) = -0.24 +- 0.06 ; 2MASS_2318-1301 (J(MKO)-J)(T5V) = -0.23 +- 0.10 ; CWISE_0613+4808 (J(MKO)-J)(T5V) = -0.21 +- 0.06 ; WISE__0546-0959 (J(MKO)-J)(T5V) = -0.17 +- 0.07 ; SDSS__2124+0100 (J(MKO)-J)(T5V) = -0.05 +- 0.12 ; WISE__1707-1744 (J(MKO)-J)(T5V) = -0.04 +- 0.08 ; CWISE_0540-1802 => adopt (J(MKO)-J)(T5V) = -0.27 [updated 12/5/2020] BC_Ks(T5V) = 2.666 ; Filipazzo15 (field) [denser trend through L/T] BC_Ks(T5V) = 2.343 ; Looper08 BC_K(T5V) = 2.315 ; Golimowski04 => adopt BC_Ks(T5V) = 2.67 [updated 11/1/2019] M_Ks(T5V) = 14.01 ; 2MASS_2331-4718 calc using Kirkpatrick20 (plx=56.5mas) M_Ks(T5V) = 14.10 ; CWISE_0613+4808 calc using Kirkpatrick20 (plx=49.7mas) M_Ks(T5V) = 14.21 ; 2MASS_2318-1301 calc using Kirkpatrick20 (plx=66.5mas) M_Ks(T5V) > 14.24 ; SDSS_0742+2055 calc using Kirkpatrick20 (plx=63.5mas) M_Ks(T5V) = 14.51 ; 2MASS_0510-4208 calc using Kirkpatrick20 (plx=53.84mas) M_Ks(T5V) > 14.58 ; SDSS_1358+3747 calc using Kirkpatrick20 (plx=49.6mas) M_Ks(T5V) = 14.58 ; WISE_0045+3611 calc using Kirkpatrick20 (plx=57.0mas) M_Ks(T5V) = 14.69 ; SDSS_2124+0100 calc using Kirkpatrick20 (plx=57.0mas) M_Ks(T5V) = 14.70 ; 2MASS_2339+1352 calc using Kirkpatrick20 (plx=51.2mas) M_Ks(T5V) = 14.78 ; 2MASS_1901+4718 calc using Kirkpatrick20 (plx=67.3mas) M_Ks(T5V) = 14.84 ; WISE_0546-0959 calc using Kirkpatrick20 (plx=50.4mas) M_Ks(T5V) = 14.87 ; CWISE_0540-1802 calc using Kirkpatrick20 (plx=59.2mas) M_Ks(T5V) = 14.89 ; 2MASS_0755+2212 calc using Kirkpatrick20 (plx=67.4mas) (alt stan.) M_Ks(T5V) = 14.90 ; M_Ks(MKO) = 14.98, (K(MKO)-Ks)(T5V) = 0.18) M_Ks(T5V) = 14.93 ; 2MASS_1503+2525 calc using Kirkpatrick20 (plx=154.9208mas) (pri. stan.) M_Ks(T5V) = 16.05 ; WISE_1707-1744 calc using Kirkpatrick20 (plx=86.0mas) M_Ks(T5V) > 16.25 ; WISE_1534-1043 calc using Kirkpatrick20 (plx=47.8mas) M_Ks(T5V) = 16.27 ; WISE_0448-1935 calc using Kirkpatrick20 (plx=57.6mas) => adopt M_Ks(T5V) = 14.90 [updated 1/15/2021] (M_K(MKO)=14.98, K(MKO)-Ks=0.10) M_K(MKO)(T5V) = 14.87 ; SDSS_2124+0100 calc using Kirkpatrick20 (plx=57.0mas) M_K(MKO)(T5V) = 14.94 ; 2MASS_1503+2525 calc using Kirkpatrick20 (plx=154.9208mas) (pri. stan.) M_K(MKO)(T5V) = 15.00 ; M_Ks(T5V)=14.90, (K(MKO)-Ks)(T5V) = 0.10 M_K(MKO)(T5V) = 15.07 ; 2MASS_0755+2212 calc using Kirkpatrick20 (plx=67.4mas) (alt stan.) M_K(MKO)(T5V) = 15.07 ; SDSS_0742+2055 calc using Kirkpatrick20 (plx=63.5mas) M_K(MKO)(T5V) = 15.37 ; ULAS_2320+1448 calc using Kirkpatrick20 (plx=42.0mas) => adopt M_K(MKO)(T5V) = 15.00 [updated 1/15/2020] (M_Ks=14.90, K(MKO)-Ks=0.10) (K(MKO)-Ks)(T5V) = 0.03 +- 0.07 ; 2MASS_1503+2525 (pri. stan.) (K(MKO)-Ks)(T5V) = 0.10 ; M_K(MKO)(T5V) = 15.00, M_Ks(T5V)=14.90 (K(MKO)-Ks)(T5V) = 0.18 +- 0.03 ; SDSS__2124+0100 (K(MKO)-Ks)(T5V) = 0.18 +- 0.21 ; 2MASS_0755+2212 (alt. stan.) => adopt (K(MKO)-Ks)(T5V) = 0.10 [updated 12/5/2020] (J-Ks)(T5V) = -0.02 ; M_J=14.88 - M_Ks=14.90 => adopt (J-Ks)(T5V) = -0.02 [updated 12/5/2020] J(MKO)-K(MKO) = -0.37 ; M_J(MKO)=14.61 - M_K(MKO)=14.98 => adopt (J(MKO)-K(MKO))(T5V) = -0.37 [updated 12/5/2020] logL(T5V) = -5.05 ; pri. stan. 2MASS J15031961+2525196 logL(T5V) = -5.132 ; M_Ks=14.90, BC_Ks=2.67 => Mbol = 17.570 => adopt logL(T5V) = -5.132 [updated 1/15/2021] => adopt MBol(T5V) = 17.570 [updated 1/15/2021] # Primary Standard 2MASS J15031961+2525196 = WISEP J150319.70+252525.4 *T5: Kirkpatrick11,Burgasser06(pri.stan.),Kirkpatrick20(T5.0) T5.5: Burgasser10(SpeX,near-IR) T6: Burgasser03(opt.,Mace14,Kirkpatrick20) Discovered by Burgasser03(2003AJ....125..850B, "The 2MASS wide-field T dwarf search. I. Discovery of a bright T dwarf within 10 parsecs of the sun."). Kirkpatrick20 lists optical type T6.0 and near-IR type T5.0 and adopts T5.0. J=13.937+-0.024(2M), H=13.856+-0.031(2M), Ks=13.963+-0.059(2M). Teff: 1016+-85K(Filippazzo15,Kirkpatrick20). GaiaEDR3: plx=155.7758+-0.7557mas, G=20.300144+-0.009837, E(BP/RP)=2.344, Bp-Rp=3.282291, Bp-G=1.505482, G-Rp=1.776810. => G-Ks = 20.300 - 13.963 = 6.337. M_G=21.263+-0.014, M_J=14.899+-0.026, M_Ks=14.925+-0.060. logL=-5.05+-0.01(Filippazzo15), Rad=0.94+-0.16Rsun(Filippazzo15), Mass=44.34+-26.30Mjup(Filippazzo15). Teffs: 1016+95K(Kirkpatrick20).