Measured integrated line intensity HCO+ (6–5)/N2H+ (6–5) ratios towards our source sample.
|Source||τ HCO+||HCO+ (6–5)/N2H+ (6–5)|
|L1641 S3 MMS 1||–||>5, <76|
|Cep E-mm||–||>17, <124|
|NGC 7129-FIRS2||–||>4, <100|
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