Free Access

Table 3

Multi-wavelength estimates of the SFR in NGC 1377.

LNT(1.5 GHz)a 2.8 × 1026 erg s-1 Hz-1 fSFRNT = 6.64 × 10-29ναNTLNT = 0.02 M yr-1
LT(1.5 GHz)b 7.1 × 1025 erg s-1 Hz-1 gLT= 0.03 M yr-1
L(24 μm)c 1.2 × 1030 erg s-1 Hz-1 hSFR24 μm = 5.58 × 10-36(νL(24 μm))0.826= 2.6 M yr-1
L IR d 4.8 × 1043 erg s-1 iSFRIR = 3.88 × 10-44LIR= 1.9 M yr-1
Σgas e 1.4 × 104M pc-2 k= 0.45 M yr-1



Radio luminosity at 1.5 GHz.


Thermal radio luminosity at 1.5 GHz from the fit of Sect. 3.3.


Luminosity at 24 μm, from Temi et al. (2009).


Total infrared luminosity from IRAS fluxes (Imanishi et al. 2009).


Molecular gas surface density from (Aalto et al. 2012) assuming a size of 200 pc.


SFR from non-thermal radio emission, Eq. (14) in Murphy et al. (2011).


SFR from thermal radio emission, Eq. (11) in Murphy et al. (2011).


SFR from 24 μm emission, Eq. (5) in Murphy et al. (2011).


SFR estimate from IR luminosity, Eq. (4) in Murphy et al. (2011).


SFR from molecular gas surface density, assuming a Schmidt-Kennicutt law with exponent 1.4 and a disk diameter d = 60 kpc.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.