T3V

Standards:
Burgasser06 stans: 2MASS J12095613-1004008    T3 (primary standard)
	    	   SDSS J102109.69-030420.1AB T3 (alternative standard)

Teff(T3V) = 1148 K ; Filipazzo15 M6V-T9V field calibration 
Teff(T3V) = 1175 K ; Dupuy17(SaumonMarley08 model scale)
Teff(T3V) = 1200 K ; Dupuy17(Lyon model scale)
Teff(T3V) = 1200 K ; Kirkpatrick20 (Table 13 polynomial)
=> adopt Teff(T3V) = 1200 K (logT = 3.079) [updated 12/26/2020]

I focus on WISE_0656+4205, which seems to have near-median colors
M_J(T3V) =  14.32 ; WISE_0333-5856 calc using Kirkpatrick20 (plx=46.2mas)
M_J(T3V) =  14.34 ; WISE_2239+1617 calc using Kirkpatrick20 (plx=42.9mas)
M_J(T3V) =  14.39 ; WISE_0701+6321 calc using Kirkpatrick20 (plx=52.6mas)
M_J(T3V) =  14.44 ; WISE_0316+3820 calc using Kirkpatrick20 (plx=44.2mas)
M_J(T3V) = 14.45  ; WISE_0656+4205 calc using Kirkpatrick20 (plx=63.0mas)
M_J(T3V) =  14.52 ; 2MASS_1546+4932 calc using Kirkpatrick20 (plx=53.0mas)
M_J(T3V) =  14.53 ; 2MASS_0213+3648C calc using Kirkpatrick20 (plx=70.0180mas)
M_J(T3V) =  14.57 ; WISE_0138-0322 calc using Kirkpatrick20 (plx=43.9mas)
=> adopt M_J(T3V) = 14.45 [updated 12/5/2020] (M_J(MKO)(T3V)=14.24, (J(MKO)-J) = -0.21)

M_J(MKO)(T3V) = 14.24  ; WISE_0656+4205 calc using Kirkpatrick20 (plx=63.0mas)
M_J(MKO)(T3V) = 14.24  ; M_J(T3V)=14.45, (J(MKO)-J) = -0.21)
M_J(MKO)(T3V) =  14.25 ; 2MASS_1546+4932 calc using Kirkpatrick20 (plx=53.0mas)
M_J(MKO)(T3V) =  14.39 ; 2MASS_0213+3648C calc using Kirkpatrick20 (plx=70.0180mas)
M_J(MKO)(T3V) =  14.61 ; GJ_836.7B   calc using Kirkpatrick20 (plx=55.1631mas)
=> adopt M_J(MKO)(T3V) = 14.24 [updated 12/5/2020] (M_J(T3V)=14.45, (J(MKO)-J) = -0.21)

(J(MKO)-J)(T3V) =  -0.33 +- 0.08 ; WISE_0316+3820 13.0
(J(MKO)-J)(T3V) = -0.27 +- 0.07  ; 2MASS_1546+4932 13.0
(J(MKO)-J)(T3V) =  -0.27 +- 0.08 ; WISE_0333-5856 13.0
(J(MKO)-J)(T3V) =  -0.22 +- 0.07 ; WISE_0138-0322 13.0
(J(MKO)-J)(T3V) = -0.21 +- 0.05  ; WISE_0656+4205 13.0
(J(MKO)-J)(T3V) =  -0.18 +- 0.07 ; WISE_2239+1617 13.0
(J(MKO)-J)(T3V) = -0.14 +- 0.53  ; 2MASS_0213+3648C 13.0
=> adopt (J(MKO)-J)(T3V) = -0.21 [updated 12/5/2020]

M_K(MKO)(T3V) = 13.83 ; GJ_836.7B   calc using Kirkpatrick20 (plx=55.1631mas)
M_K(MKO)(T3V) = 14.16 ; 2MASS_0213+3648C calc using Kirkpatrick20 (plx=70.0180mas)

M_Ks(T3V) =   13.04 ; WISE_0333-5856 calc using Kirkpatrick20 (plx=46.2mas)
M_Ks(T3V) =  13.48  ; WISE_0701+6321 calc using Kirkpatrick20 (plx=52.6mas)
M_Ks(T3V) =  13.50  ; WISE_0138-0322 calc using Kirkpatrick20 (plx=43.9mas)
M_Ks(T3V) >   13.52 ; 2MASS_1546+4932 calc using Kirkpatrick20 (plx=53.0mas)
M_Ks(T3V) =  13.52  ; WISE_2239+1617 calc using Kirkpatrick20 (plx=42.9mas)
M_Ks(T3V) =  13.56  ; WISE_0316+3820 calc using Kirkpatrick20 (plx=44.2mas)
M_Ks(T3V) = 13.75  ; trend to L/T dwarfs in notes (1/2021)
M_Ks(T3V) = 13.79  ; WISE_0656+4205 calc using Kirkpatrick20 (plx=63.0mas)
M_Ks(T3V) = 14.00  ; 2MASS_0213+3648C calc using Kirkpatrick20 (plx=70.0180mas)
=> adopt M_Ks(T3V) = 13.75 [updated 1/15/2021]

(K(MKO)-Ks)(T3V) = 0.16 +- 0.12 ; 2MASS_0213+3648C

BC_Ks(T3V) = 2.908 ; Filipazzo15 (field) [denser trend through L/T]
BC_Ks(T3V) = 2.626 ; Looper08
=> adopt BC_Ks(T3V) = 2.91 [updated 11/1/2019]

logL(T3V) = -4.767 ; M_Ks=13.75, BC_Ks=2.91 => Mbol=16.66
=> adopt logL(T3V) = -4.767 [updated 1/15/2021]
=> adopt Mbol(T3V) = 16.66  [updated 1/15/2021]