memo

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1[pc]=3.09E+16[m]=3.09E+19[cm]

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Magnitude

AB_mag(Obj) = Vega_mag(Obj) + AB_mag(Vega)

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0mag Flux

Ref: Tokunaga+(2005)

F_lambda_0mag_J = 3.01e-9 [W/m2/um]
F_lambda_0mag_H = 1.18e-9 [W/m2/um]
F_lambda_0mag_K = 4.00e-10 [W/m2/um]

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Sky Brightness at Mauna Kea

Ref:
Imaging Sky Brightness by Gemini
Spectroscopic Sky Brightness [mag/arcsec2] by MOSFIRE PDR



Band (λ) d&lambda Vega_mag [mag] AB_mag [mag] Flux [W/m2/um] Spec Sky Brightness (Between OH lines) [W/m2/um/arcsec2] J (1.12 um) 0.20 um 15.7 13.4 5.89e-16 H (1.5 um) 0.32 um 13.4 14.7 3.45e-15 2.56e-16 K (2.2 um) 0.45 um 14.8 14.7 2.38e-15 7.18e-16

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Major high-z galaxy lines in IR

Rest-frame λ [Å] J (1.2um) H (1.6um) K (2.2um) Lyα 1216 z=8.9 z=12.1 z=17.0 LAEs HeII 1640 z=6.3 z=8.8 z=12.4 Metal-free stellar pop [OII] 3727 z=2.2 z=3.3 z=4.9 [NeIII] 3869 J H K Hβ 4863 z=1.5 z=2.3 z=3.5 [OIII] 4959 5007 J H K [OI] 6300 J H K [NII] 6548 J H K Hα 6563 z=0.8 z=1.4 z=2.4 [SII] 6716 6731 J H K

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Star Formation Rate

Kennicut(1998)
SFR(Hα) [Msolar/yr] = 7.9 × 10^-42 L(Hα) [erg/s]
SFR([OII]) [Msolar/yr] = 1.4 × 10^-41 L([OII]) [erg/s]

Straughn(2009)
SFR([OIII]) [Msolar/yr] = (6.4 ± 4.0) × 10^{-42 L([OIII]) [erg/s]}