Comparison of star formation rates from Hα and infrared luminosity as seen by Herschel
- Domínguez Sánchez, H.
- Mignoli, M.
- Pozzi, F.
- Calura, F.
- Cimatti, A.
- Gruppioni, C.
- Cepa, J.
- Sánchez Portal, M.
- Zamorani, G.
- Berta, S.
- Elbaz, D.
- Le Floc'h, E.
- Granato, G. L.
- Lutz, D.
- Maiolino, R.
- Matteucci, F.
- Nair, P.
- Nordon, R.
- Pozzetti, L.
- Silva, L.
- Silverman, J.
- Wuyts, S.
- Carollo, C. M.
- Contini, T.
- Kneib, J. -P
- Le Fèvre, O.
- Lilly, S. J.
- Mainieri, V.
- Renzini, A.
- Scodeggio, M.
- Bardelli, S.
- Bolzonella, M.
- Bongiorno, A.
- Caputi, K.
- Coppa, G.
- Cucciati, O.
- de la Torre, S.
- de Ravel, L.
- Franzetti, P.
- Garilli, B.
- Iovino, A.
- Kampczyk, P.
- Knobel, C.
- Kovač, K.
- Lamareille, F.
- Le Borgne, J. -F
- Le Brun, V.
- Maier, C.
- Magnelli, B.
- Pelló, R.
- Peng, Y.
- Perez-Montero, E.
- Ricciardelli, E.
- Riguccini, L.
- Tanaka, M.
- Tasca, L. A. M.
- Tresse, L.
- Vergani, D.
- Zucca, E.
DOIAbstract
We empirically MD test the relation between the SFR(LIR) derived from the infrared luminosity, LIR, and the SFR(Ha) derived from the Ha emission line luminosity using simple conversion relations. We use a sample of 474 galaxies at z = 0.060.46 with both Ha detection [from 20k redshift Cosmological Evolution (zCOSMOS) survey] and new far-IR Herschel data (100 and 160 mu m). We derive SFR(Ha) from the Ha extinction corrected emission line luminosity. We find a very clear trend between E(B - V) and LIR that allows us to estimate extinction values for each galaxy even if the H beta emission line measurement is not reliable. We calculate the LIR by integrating from 8 up to 1000 mu m the spectral energy distribution (SED) that is best fitting our...
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