versus colour
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2019 ◽  
Vol 622 ◽  
pp. A51 ◽  
Author(s):  
C. López-Sanjuan ◽  
L. A. Díaz-García ◽  
A. J. Cenarro ◽  
A. Fernández-Soto ◽  
K. Viironen ◽  
...  

Aims. Our goal is to characterise the dependence of the optical mass-to-light ratio on galaxy colour up to z = 1.5, expanding the redshift range explored in previous work. Methods. From the redshifts, stellar masses, and rest-frame luminosities of the ALHAMBRA multi-filter survey, we derive the mass-to-light ratio versus colour relation for quiescent and for star-forming galaxies. The intrinsic relation and its physical dispersion are derived with a Bayesian inference model. Results. The rest-frame i-band mass-to-light ratio of quiescent and star-forming galaxies presents a tight correlation with the rest-frame (g − i) colour up to z = 1.5. The mass-to-light ratio versus colour relation is linear for quiescent galaxies and quadratic for star-forming galaxies. The intrinsic dispersion in these relations is 0.02 dex for quiescent galaxies and 0.06 dex for star-forming ones. The derived relations do not present a significant redshift evolution and are compatible with previous local results in the literature. Finally, these tight relations also hold for g- and r-band luminosities. Conclusions. The derived mass-to-light ratio versus colour relations in ALHAMBRA can be used to predict the mass-to-light ratio from a rest-frame optical colour up to z = 1.5. These tight correlations do not change with redshift, suggesting that galaxies have evolved along the derived relations during the last 9 Gyr.


2018 ◽  
Vol 7 (47) ◽  
pp. 5098-5101
Author(s):  
Mehradad Nabahati ◽  
Mahtab Zeinalzadeh ◽  
Mohammad Ali Saber ◽  
Raheleh Mehraeen ◽  
Naser Ghaemian ◽  
...  

2016 ◽  
Vol 593 ◽  
pp. A84 ◽  
Author(s):  
Rebecca Kennedy ◽  
Steven P. Bamford ◽  
Boris Häußler ◽  
Sarah Brough ◽  
Benne Holwerda ◽  
...  
Keyword(s):  

2008 ◽  
Vol 14 (1) ◽  
pp. 27-31 ◽  
Author(s):  
Monika Alise Johansen ◽  
Kristian Fossen ◽  
Jan Norum ◽  
Terje Christoffersen ◽  
Håkon Øritsland ◽  
...  

2007 ◽  
Vol 112 (3) ◽  
pp. 435-443 ◽  
Author(s):  
F. Pugliese ◽  
F. Crusco ◽  
G. Cardaioli ◽  
N. Tambasco ◽  
B. Boranga ◽  
...  

2005 ◽  
Vol 174 (S1) ◽  
pp. 35-35
Author(s):  
M. A. Aremu ◽  
N. Haider ◽  
S. Nicholls ◽  
M. P. Colgan ◽  
P. Madhavan ◽  
...  

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