An unbiased NOEMA 2.6 to 4 mm survey of the GG Tau ring: First detection of CCS in a protoplanetary disk

N. T. Phuong; A. Dutrey; E. Chapillon; S. Guilloteau; J. Bary; T. L. Beck; A. Coutens; O. Denis-Alpizar; E. Di Folco; P. N. Diep; L. Majumdar; J.-P. Melisse; C.-W. Lee; V. Pietu; T. Stoecklin; Y.-W. Tang

doi:10.1051/0004-6361/202141881

Home

All issues

Volume 653 (September 2021)

A&A, 653 (2021) L5

Full HTML

Free Access

Table 4.

Molecular abundance with respect to ¹³CO: 10⁵ × (X_mol/X_¹³CO).

Mol.	TMC-1	LkCa 15	GG Tau	Mol.	TMC-1	LkCa 15	GG Tau
C¹⁸O	1.1 × 10⁴ ⁽¹⁾	2.8 × 10⁴ ⁽⁷⁾	2.2 × 10⁴	C³⁴S	…	…	10 ± 1
CN	2250 ⁽¹⁾	3100 ⁽⁸⁾	660 ± 30	CS	1500 ⁽³⁾	520 ⁽⁸⁾	230 ± 10
¹³CN	…	…	25 ± 10	¹³CS	11 ⁽⁴⁾	2.8 ⁽¹⁰⁾	2.2 ± 0.6

CCH	5960 ⁽²⁾	1200 ⁽⁸⁾	600 ± 30	CCS	240 ⁽³⁾	…	13 ± 2
N₂H⁺	7680 ⁽¹⁾	19.1 ⁽⁹⁾	10.5 ± 0.5	OCS	1500 ⁽¹⁾	…	0.4 ± 0.2

HCN	1500 ⁽²⁾	300 ⁽⁸⁾	57 ± 3	DCN	22 ⁽⁶⁾	7.5 ⁽⁹⁾	1.6 ± 1.0
HNC	1500 ⁽²⁾	…	29 ± 2	DNC	124 ⁽⁶⁾	3.5 ⁽⁹⁾	2.3 ± 1.1

HCO⁺	596 ⁽²⁾	350 ⁽⁸⁾	125 ± 5	DCO⁺	30 ⁽⁵⁾	4.5 ⁽¹¹⁾	3.5 ± 0.2 ⁽¹³⁾
H¹³CO⁺	8.3 ⁽¹⁾	5.0 ⁽¹²⁾	3.4 ± 0.2

H₂CO	1500 ⁽²⁾	13.6 ⁽⁹⁾	33 ± 2 ^(*)	HC₃N	473 ⁽²⁾	7.3 ⁽¹²⁾	4.6 ± 0.9

Notes. ^(*)For para-H₂CO only in GG Tau. Since estimating the uncertainties from all of these different studies was very difficult, we do not quote them for TMC1 and LkCa15.

References. ⁽¹⁾Dutrey et al. (1997), ⁽²⁾Omont (2007), ⁽³⁾Cernicharo et al. (2021), ⁽⁴⁾Liszt & Ziurys (2012), ⁽⁵⁾Butner et al. (1995), ⁽⁶⁾Turner (2001), ⁽⁷⁾Qi et al. (2003), ⁽⁸⁾Guilloteau et al. (2016), ⁽⁹⁾Loomis et al. (2020), ⁽¹⁰⁾Le Gal et al. (2019), ⁽¹¹⁾Huang et al. (2017), ⁽¹²⁾Chapillon et al. (2012), ⁽¹³⁾Phuong et al. (2018).

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.