A 3 mm molecular line survey toward IRC+10216 | Astronomy & Astrophysics (A&A)

Open Access

Table 1

Isotopic ratios.

Isotopic ratio	IRC+10216	CIT6	CRL 3068^d	Solar^e

	mean	Cernicharo^a
₁₂C/₁₃C	27.6	45	14.3^b	9.2	89
²⁸Si/²⁹Si	19.6	15.4	4.3^b	11.5	19.6
₂₈Si/₃₀Si	28.2	20.3	8.8^c	28.8	29.9
²⁹Si/³⁰Si	1.5	1.5	1.0^c	2.5	1.5

Notes. ^a From Cernicharo et al. (2000). ^b From Yang et al. (2023). ^c From Zhang et al. (2009a). ^d From Zhang et al. (2009b). ^e From Lodders (2003).

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.