Radial variations in the nitrogen, carbon, and hydrogen fractionation in the PDS 70 planet-hosting disk

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Volume 698 (May 2025)

A&A, 698 (2025) A115

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Table A.1

Detected lines in Band 6 and 7 observations, rest frequencies, imaging properties (channel width, beam, RMS, and fluxes).

Species	Transition^a	Frequency [GHz]	Δv [km s⁻¹]	Beam	RMS [mJy beam⁻¹]	Flux^b [mJy km s⁻¹]
¹²CO	2-1	230.5380	0.1	$0_{\cdot}^{''} 28 \times 0_{\cdot}^{''} 22$ $\[0^{\prime\prime}_\cdot28 \times 0^{\prime\prime}_\cdot22\]$	0.54	6175 ± 23
¹³CO	2-1	220.3986	0.2	$0_{\cdot}^{''} 30 \times 0_{\cdot}^{''} 24$ $\[0^{\prime\prime}_\cdot30 \times 0^{\prime\prime}_\cdot24\]$	0.42	1859 ± 12
C¹⁸O	2-1	219.5603	0.2	$0_{\cdot}^{''} 31 \times 0_{\cdot}^{''} 24$ $\[0^{\prime\prime}_\cdot31 \times 0^{\prime\prime}_\cdot24\]$	0.33	466 ± 7
H₂CO	3_0,3−2_0,2	218.2221	0.4	$0_{\cdot}^{''} 29 \times 0_{\cdot}^{''} 23$ $\[0^{\prime\prime}_\cdot29 \times 0^{\prime\prime}_\cdot23\]$	0.19	708 ± 7
H₂CO	3_2,1−2_2,0	218.7600	0.4	$0_{\cdot}^{''} 29 \times 0_{\cdot}^{''} 23$ $\[0^{\prime\prime}_\cdot29 \times 0^{\prime\prime}_\cdot23\]$	0.20	57 ± 6
C₂H	3_7/2,4−2_5/2,3	262.0042	0.4	$0_{\cdot}^{''} 20 \times 0_{\cdot}^{''} 15$ $\[0^{\prime\prime}_\cdot20 \times 0^{\prime\prime}_\cdot15\]$	0.16	723 ± 10
C₂H	3_7/2,3−2_5/2,2	262.0064	0.4	$0_{\cdot}^{''} 20 \times 0_{\cdot}^{''} 15$ $\[0^{\prime\prime}_\cdot20 \times 0^{\prime\prime}_\cdot15\]$	0.16	577 ± 10
H¹³CN	3-2	259.0117	0.4	$0_{\cdot}^{''} 20 \times 0_{\cdot}^{''} 15$ $\[0^{\prime\prime}_\cdot20 \times 0^{\prime\prime}_\cdot15\]$	0.13	360 ± 8
HC¹⁵N	3-2	258.1571	0.4	$0_{\cdot}^{''} 20 \times 0_{\cdot}^{''} 15$ $\[0^{\prime\prime}_\cdot20 \times 0^{\prime\prime}_\cdot15\]$	0.15	176 ± 7
DCN	3-2	217.2386	0.4	$0_{\cdot}^{''} 29 \times 0_{\cdot}^{''} 23$ $\[0^{\prime\prime}_\cdot29 \times 0^{\prime\prime}_\cdot23\]$	0.22	230 ± 6
H¹³CO⁺	3-2	260.2553	0.4	$0_{\cdot}^{''} 21 \times 0_{\cdot}^{''} 15$ $\[0^{\prime\prime}_\cdot21 \times 0^{\prime\prime}_\cdot15\]$	0.16	372 ± 7
CS	5-4	244.9355	1.4	$0_{\cdot}^{''} 22 \times 0_{\cdot}^{''} 15$ $\[0^{\prime\prime}_\cdot22 \times 0^{\prime\prime}_\cdot15\]$	0.06	445 ± 6
c-C₃H₂	3_2,1−2_1,2	244.2221	1.4	$0_{\cdot}^{''} 22 \times 0_{\cdot}^{''} 16$ $\[0^{\prime\prime}_\cdot22 \times 0^{\prime\prime}_\cdot16\]$	0.07	16 ± 2
c-C₃H₂	7_1,6−7_0,7	218.7327	0.4	$0_{\cdot}^{''} 29 \times 0_{\cdot}^{''} 23$ $\[0^{\prime\prime}_\cdot29 \times 0^{\prime\prime}_\cdot23\]$	0.20	10 ± 3^c
c-C₃H₂	7_2,6−7_1,7	218.7327	0.4	$0_{\cdot}^{''} 29 \times 0_{\cdot}^{''} 23$ $\[0^{\prime\prime}_\cdot29 \times 0^{\prime\prime}_\cdot23\]$	0.69	10 ± 3^c
¹²CO	3-2	345.7960	0.9	$0_{\cdot}^{''} 13 \times 0_{\cdot}^{''} 12$ $\[0^{\prime\prime}_\cdot13 \times 0^{\prime\prime}_\cdot12\]$	0.76	13632 ± 42
CS	7-6	342.8829	0.9	$0_{\cdot}^{''} 13 \times 0_{\cdot}^{''} 12$ $\[0^{\prime\prime}_\cdot13 \times 0^{\prime\prime}_\cdot12\]$	0.80	407 ± 31
HCO⁺	4-3	356.7342	0.9	$0_{\cdot}^{''} 13 \times 0_{\cdot}^{''} 11$ $\[0^{\prime\prime}_\cdot13 \times 0^{\prime\prime}_\cdot11\]$	0.96	5470 ± 31
H¹³CN	4-3	345.3398	0.9	$0_{\cdot}^{''} 13 \times 0_{\cdot}^{''} 11$ $\[0^{\prime\prime}_\cdot13 \times 0^{\prime\prime}_\cdot11\]$	0.70	530 ± 21
HC¹⁵N	4-3	344.2003	0.9	$0_{\cdot}^{''} 13 \times 0_{\cdot}^{''} 12$ $\[0^{\prime\prime}_\cdot13 \times 0^{\prime\prime}_\cdot12\]$	0.75	234 ± 34
HCN^d	4-3	354.5055	0.9	$0_{\cdot}^{''} 37 \times 0_{\cdot}^{''} 34$ $\[0^{\prime\prime}_\cdot37 \times 0^{\prime\prime}_\cdot34\]$	1.82	5902 ± 45

^a Quantum numbers are formatted for H₂CO (CDMS, Chardon & Guichon 1973; Müller & Lewen 2017), c-C₃H₂ (CDMS, Bogey et al. 1986; Vrtilek et al. 1987; Lovas et al. 1992) as N_{K_a,K_c}, for C₂H as N_J,F₁ (CDMS, Sastry et al. 1981; Müller et al. 2000; Padovani et al. 2009), for ¹²CO (CDMS, Winnewisser et al. 1997), ¹³CO (CDMS, Klapper et al. 2000; Cazzoli et al. 2004), C¹⁸O (CDMS, Winnewisser et al. 1985), H¹³CN (CDMS, Fuchs et al. 2004; Cazzoli & Puzzarini 2005; Maiwald et al. 2000), HC¹⁵N (CDMS, Fuchs et al. 2004; Cazzoli & Puzzarini 2005), DCN (CDMS, Brünken et al. 2004), H¹³CO⁺(CDMS, Gregersen & Evans 2001; Lattanzi et al. 2007), CS (CDMS, Müller et al. 2005; Bogey et al. 1981; Ahrens & Winnewisser 1999), HCO⁺ (CDMS, Tinti et al. 2007; Lattanzi et al. 2007) as J. ^b The uncertainty does not include the 10% absolute flux calibration. ^c The value refers to the total flux of the blended c-C₃H₂ (218 GHz) lines. ^d Listed beam size, RMS, and flux are obtained from SB observations only.

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