TY - JOUR
T1 - Star formation rate in late-type galaxies
T2 - I-The Hα and FUV integrated values
AU - Magana Serrano, M. A.
AU - Hidalgo Gamez, A. M.
AU - Vega-Acevedo, I.
AU - Castaneda, H. O.
N1 - Publisher Copyright:
© 2020: Instituto de Astronoma, Universidad Nacional Autonoma de Mexico.
PY - 2020/4
Y1 - 2020/4
N2 - The star formation rate (SFR) was determined from a sample of 36 late-type galaxies (14 dS and 22 Sm), from the SFR(H) and far ultraviolet (FUV) ux. We found that the SFR(FUV) is higher in most cases, larger for Sm galaxies and smaller for barred galaxies, for any morphological type, in both diagnostic methods. In addition, a study of the spatial distribution of star formation within these galaxies was made. We concluded that there is no preferential place for the star formation. Finally, we studied the role of the diffuse ionized gas in the SFR value; we found that the Hα ux contribution from this gas should not be included in the SFR determination unless it is verified that leaking photons are the only source of the neutral gas ionization.
AB - The star formation rate (SFR) was determined from a sample of 36 late-type galaxies (14 dS and 22 Sm), from the SFR(H) and far ultraviolet (FUV) ux. We found that the SFR(FUV) is higher in most cases, larger for Sm galaxies and smaller for barred galaxies, for any morphological type, in both diagnostic methods. In addition, a study of the spatial distribution of star formation within these galaxies was made. We concluded that there is no preferential place for the star formation. Finally, we studied the role of the diffuse ionized gas in the SFR value; we found that the Hα ux contribution from this gas should not be included in the SFR determination unless it is verified that leaking photons are the only source of the neutral gas ionization.
KW - Galaxies: Dwarf
KW - Galaxies: Star formation
KW - H II regions
UR - http://www.scopus.com/inward/record.url?scp=85088313401&partnerID=8YFLogxK
U2 - 10.22201/ia.01851101p.2020.56.01.06
DO - 10.22201/ia.01851101p.2020.56.01.06
M3 - Artículo
AN - SCOPUS:85088313401
SN - 0185-1101
VL - 56
SP - 39
EP - 54
JO - Revista Mexicana de Astronomia y Astrofisica
JF - Revista Mexicana de Astronomia y Astrofisica
IS - 1
ER -