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Differential attenuation in star-forming galaxies at 0.3 ≲ z ≲ 1.5 in the SHARDS/CANDELS field

Rodríguez-Muñoz, L; Rodighiero, G; Pérez-González, PG; Talia, M; Baronchelli, I; Morselli, L; Renzini, A; Puglisi, A; Grazian, A; Zanella, A; Mancini, C; Feltre, A; Romano, M; Vidal García, A; Franceschini, A; Alcalde Pampliega, B; Cassata, P; Costantin, L; Domínguez Sánchez, H; Espino-Briones, N; Iani, E; Koekemoer, A; Lumbreras-Calle, A; Rodríguez-Espinosa, JM

Differential attenuation in star-forming galaxies at 0.3 ≲ z ≲ 1.5 in the SHARDS/CANDELS field Thumbnail


L Rodríguez-Muñoz

G Rodighiero

PG Pérez-González

M Talia

I Baronchelli

L Morselli

A Renzini

A Grazian

A Zanella

C Mancini

A Feltre

M Romano

A Vidal García

A Franceschini

B Alcalde Pampliega

P Cassata

L Costantin

H Domínguez Sánchez

N Espino-Briones

E Iani

A Koekemoer

A Lumbreras-Calle

JM Rodríguez-Espinosa


We use a sample of 706 galaxies, selected as [O II]λ3727 ([O II]) emitters in the Survey for High-z Absorption Red and Dead Sources (SHARDS) on the CANDELS/GOODS-N field, to study the differential attenuation of the nebular emission with respect to the stellar continuum. The sample includes only galaxies with a counterpart in the infrared and log10(M∗/M) > 9, over the redshift interval 0.3 z 1.5. Our methodology consists in the comparison of the star formation rates inferred from [O II] and Hα emission lines with a robust quantification of the total star-forming activity (SFR TOT) that is independently estimated based on both infrared and ultraviolet (UV) luminosities. We obtain f = E(B − V )stellar/E(B − V)nebular = 0.690.71 0.69 and 0.550.56 0.53 for [O II] and Hα, respectively. Our resulting f-factors display a significant positive correlation with the UV attenuation and shallower or not-significant trends with the stellar mass, the SFRTOT, the distance to the main sequence, and the redshift. Finally, our results favour an average nebular attenuation curve similar in shape to the typical dust curve of local starbursts.


Rodríguez-Muñoz, L., Rodighiero, G., Pérez-González, P., Talia, M., Baronchelli, I., Morselli, L., …Rodríguez-Espinosa, J. (2022). Differential attenuation in star-forming galaxies at 0.3 ≲ z ≲ 1.5 in the SHARDS/CANDELS field. Monthly Notices of the Royal Astronomical Society, 510(2), 2061-2083.

Journal Article Type Article
Acceptance Date Nov 28, 2021
Online Publication Date Dec 10, 2021
Publication Date 2022-02
Deposit Date May 26, 2022
Publicly Available Date May 26, 2022
Journal Monthly Notices of the Royal Astronomical Society
Print ISSN 0035-8711
Electronic ISSN 1365-2966
Publisher Royal Astronomical Society
Peer Reviewed Peer Reviewed
Volume 510
Issue 2
Pages 2061-2083


Published Journal Article (18.6 Mb)

Copyright Statement
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2021 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

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