mass.CO | R Documentation |
Compute molecular mass (default CO J = 1-0) from L' and empirical conversion factor.
mass.CO(intInt, z, alpha = 0.8, f.rest = 115.27, omega.m = 0.27, omega.lambda = 0.73, H.0 = 71)
intInt |
Integrated intensity in Jy km/s |
z |
Redshift |
alpha |
Empirical mass conversion factor, see details |
f.rest |
Line rest frequency in GHz |
omega.m |
Omega matter parameter |
omega.lambda |
Omega lambda parameter |
H.0 |
Hubble constant in km/s/Mpc |
alpha
is an empirical mass conversion factor. The exact value is
a topic of considerable debate. For CO, see
Solomon and Vanden Bout (2005), also Tacconi et al. (2008) for reviews.
Gas mass in solar masses.
A. Harris
Solomon, Downes & Radford (1992), ApJ 398, L29, equations (3) and (4); Solomon & Vanden Bout (2005) ARA&A 43, 677; Tacconi et al. (2008) ApJ 680, 246.
Lprime
snu <- 1.e-3 # 1 mJy peak wid <- 400 # 400 km/s wide intInt <- 1.06*snu*wid # Gaussian line z <- 2.3 mass.CO(intInt, z)
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