Seismic detection of core magnetic fields in red giants using the gravity offset

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Volume 707 (March 2026)

A&A, 707 (2026) A366

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Table 2.

Mass, large separations, core rotation, magnetic shifts, asymmetries, and field strength for every favourable detection.

KIC	M(M_s)	ΔΠ₁(s)	Δν(μHz)	ν_R, g(μHz)	${\tilde{ν}}_{mag}$ $Mathematical equation: $ \tilde{\nu}_{\mathrm{mag}} $$ (μHz)	a	$\frac{{⟨ {B_{r}}^{2} ⟩}^{1 / 2}}{B_{c, \min}}$ $Mathematical equation: $ \frac{\langle{B_r}^2 \rangle^{1/2}}{B_{\mathrm{c,min}}} $$	⟨B_r²⟩^1/2(kG)
2584478	1.32 ± 0.06	$81 . 894_{- 0.153}^{+ 0.171}$ $Mathematical equation: $ 81.894^{+0.171}_{-0.153} $$	$13 . 947_{- 0.013}^{+ 0.013}$ $Mathematical equation: $ 13.947^{+0.013}_{-0.013} $$	$0 . 538_{- 0.011}^{+ 0.010}$ $Mathematical equation: $ 0.538^{+0.010}_{-0.011} $$	$0 . 186_{- 0.053}^{+ 0.062}$ $Mathematical equation: $ 0.186^{+0.062}_{-0.053} $$	$0 . 425_{- 0.130}^{+ 0.221}$ $Mathematical equation: $ 0.425^{+0.221}_{-0.130} $$	0.26	106 ± 17
4066278	1.44 ± 0.07	$75 . 758_{- 0.807}^{+ 0.140}$ $Mathematical equation: $ 75.758^{+0.140}_{-0.807} $$	$10 . 159_{- 0.016}^{+ 0.016}$ $Mathematical equation: $ 10.159^{+0.016}_{-0.016} $$		$0 . 732_{- 0.341}^{+ 0.029}$ $Mathematical equation: $ 0.732^{+0.029}_{-0.341} $$	S	0.63	> 73 ± 9
4077249	1.32 ± 0.06	$79 . 610_{- 0.046}^{+ 0.068}$ $Mathematical equation: $ 79.610^{+0.068}_{-0.046} $$	$12 . 484_{- 0.033}^{+ 0.033}$ $Mathematical equation: $ 12.484^{+0.033}_{-0.033} $$	$0 . 829_{- 0.013}^{+ 0.014}$ $Mathematical equation: $ 0.829^{+0.014}_{-0.013} $$	$0 . 077_{- 0.014}^{+ 0.023}$ $Mathematical equation: $ 0.077^{+0.023}_{-0.014} $$	$0 . 821_{- 0.198}^{+ 0.128}$ $Mathematical equation: $ 0.821^{+0.128}_{-0.198} $$	0.18	52 ± 7
4350501	1.55 ± 0.08	$70 . 041_{- 0.081}^{+ 0.198}$ $Mathematical equation: $ 70.041^{+0.198}_{-0.081} $$	$11 . 137_{- 0.014}^{+ 0.014}$ $Mathematical equation: $ 11.137^{+0.014}_{-0.014} $$	$0 . 142_{- 0.005}^{+ 0.010}$ $Mathematical equation: $ 0.142^{+0.010}_{-0.005} $$	$0 . 235_{- 0.032}^{+ 0.077}$ $Mathematical equation: $ 0.235^{+0.077}_{-0.032} $$	D	0.33	[39; 55]±23
4660930	1.60 ± 0.10	$80 . 923_{- 0.232}^{+ 0.476}$ $Mathematical equation: $ 80.923^{+0.476}_{-0.232} $$	$13 . 215_{- 0.042}^{+ 0.033}$ $Mathematical equation: $ 13.215^{+0.033}_{-0.042} $$	$0 . 999_{- 0.065}^{+ 0.059}$ $Mathematical equation: $ 0.999^{+0.059}_{-0.065} $$	$0 . 175_{- 0.069}^{+ 0.144}$ $Mathematical equation: $ 0.175^{+0.144}_{-0.069} $$	$- 0 . 225_{- 0.126}^{+ 0.092}$ $Mathematical equation: $ -0.225^{+0.092}_{-0.126} $$	0.26	90 ± 34
4771876	1.10 ± 0.06	$86 . 711_{- 0.143}^{+ 0.147}$ $Mathematical equation: $ 86.711^{+0.147}_{-0.143} $$	$15 . 225_{- 0.023}^{+ 0.023}$ $Mathematical equation: $ 15.225^{+0.023}_{-0.023} $$		$0 . 237_{- 0.049}^{+ 0.050}$ $Mathematical equation: $ 0.237^{+0.050}_{-0.049} $$	S	0.29	> 97 ± 11
4995788	1.19 ± 0.06	$84 . 658_{- 0.098}^{+ 0.094}$ $Mathematical equation: $ 84.658^{+0.094}_{-0.098} $$	$13 . 524_{- 0.014}^{+ 0.014}$ $Mathematical equation: $ 13.524^{+0.014}_{-0.014} $$		$0 . 145_{- 0.039}^{+ 0.037}$ $Mathematical equation: $ 0.145^{+0.037}_{-0.039} $$	S	0.24	> 69 ± 10
5287034	1.25 ± 0.06	$79 . 090_{- 0.090}^{+ 0.101}$ $Mathematical equation: $ 79.090^{+0.101}_{-0.090} $$	$12 . 219_{- 0.012}^{+ 0.012}$ $Mathematical equation: $ 12.219^{+0.012}_{-0.012} $$	$0 . 842_{- 0.008}^{+ 0.009}$ $Mathematical equation: $ 0.842^{+0.009}_{-0.008} $$	$0 . 106_{- 0.029}^{+ 0.034}$ $Mathematical equation: $ 0.106^{+0.034}_{-0.029} $$	$0 . 460_{- 0.146}^{+ 0.224}$ $Mathematical equation: $ 0.460^{+0.224}_{-0.146} $$	0.21	58 ± 9
6103082	1.31 ± 0.07	$85 . 966_{- 0.370}^{+ 0.277}$ $Mathematical equation: $ 85.966^{+0.277}_{-0.370} $$	$16 . 368_{- 0.024}^{+ 0.025}$ $Mathematical equation: $ 16.368^{+0.025}_{-0.024} $$	$0 . 616_{- 0.043}^{+ 0.049}$ $Mathematical equation: $ 0.616^{+0.049}_{-0.043} $$	$0 . 970_{- 0.175}^{+ 0.135}$ $Mathematical equation: $ 0.970^{+0.135}_{-0.175} $$	D	0.54	[190; 269]±39
6222530	1.37 ± 0.06	$87 . 316_{- 0.216}^{+ 0.207}$ $Mathematical equation: $ 87.316^{+0.207}_{-0.216} $$	$17 . 129_{- 0.015}^{+ 0.016}$ $Mathematical equation: $ 17.129^{+0.016}_{-0.015} $$	$0 . 773_{- 0.012}^{+ 0.012}$ $Mathematical equation: $ 0.773^{+0.012}_{-0.012} $$	$0 . 656_{- 0.107}^{+ 0.102}$ $Mathematical equation: $ 0.656^{+0.102}_{-0.107} $$	D	0.43	[196; 277]±22
6389421	1.13 ± 0.07	$87 . 254_{- 0.161}^{+ 0.157}$ $Mathematical equation: $ 87.254^{+0.157}_{-0.161} $$	$15 . 654_{- 0.014}^{+ 0.014}$ $Mathematical equation: $ 15.654^{+0.014}_{-0.014} $$		$0 . 421_{- 0.069}^{+ 0.069}$ $Mathematical equation: $ 0.421^{+0.069}_{-0.069} $$	S	0.38	> 139 ± 13
6758291	1.15 ± 0.07	$89 . 312_{- 0.355}^{+ 0.384}$ $Mathematical equation: $ 89.312^{+0.384}_{-0.355} $$	$16 . 868_{- 0.022}^{+ 0.024}$ $Mathematical equation: $ 16.868^{+0.024}_{-0.022} $$	$1 . 538_{- 0.021}^{+ 0.021}$ $Mathematical equation: $ 1.538^{+0.021}_{-0.021} $$	$0 . 942_{- 0.148}^{+ 0.158}$ $Mathematical equation: $ 0.942^{+0.158}_{-0.148} $$	D	0.53	[236; 334]±28
8350839	1.26 ± 0.08	$82 . 307_{- 0.294}^{+ 0.266}$ $Mathematical equation: $ 82.307^{+0.266}_{-0.294} $$	$12 . 699_{- 0.028}^{+ 0.027}$ $Mathematical equation: $ 12.699^{+0.027}_{-0.028} $$		$0 . 205_{- 0.090}^{+ 0.079}$ $Mathematical equation: $ 0.205^{+0.079}_{-0.090} $$	S	0.30	> 56 ± 13
8574234	1.06 ± 0.05	$78 . 572_{- 0.139}^{+ 0.129}$ $Mathematical equation: $ 78.572^{+0.129}_{-0.139} $$	$10 . 551_{- 0.012}^{+ 0.012}$ $Mathematical equation: $ 10.551^{+0.012}_{-0.012} $$		$0 . 234_{- 0.040}^{+ 0.038}$ $Mathematical equation: $ 0.234^{+0.038}_{-0.040} $$	S	0.36	> 39 ± 4
8687248	1.35 ± 0.07	$79 . 273_{- 1.873}^{+ 1.697}$ $Mathematical equation: $ 79.273^{+1.697}_{-1.873} $$	$13 . 156_{- 0.112}^{+ 0.088}$ $Mathematical equation: $ 13.156^{+0.088}_{-0.112} $$		$1 . 158_{- 0.558}^{+ 0.519}$ $Mathematical equation: $ 1.158^{+0.519}_{-0.558} $$	S	0.68	> 155 ± 50
8868464	1.43 ± 0.09	$85 . 365_{- 0.214}^{+ 0.208}$ $Mathematical equation: $ 85.365^{+0.208}_{-0.214} $$	$15 . 441_{- 0.018}^{+ 0.018}$ $Mathematical equation: $ 15.441^{+0.018}_{-0.018} $$	$0 . 407_{- 0.013}^{+ 0.011}$ $Mathematical equation: $ 0.407^{+0.011}_{-0.013} $$	$0 . 209_{- 0.080}^{+ 0.075}$ $Mathematical equation: $ 0.209^{+0.075}_{-0.080} $$	D	0.26	[80; 114]±21
9649838	1.69 ± 0.11	$74 . 277_{- 0.127}^{+ 0.180}$ $Mathematical equation: $ 74.277^{+0.180}_{-0.127} $$	$10 . 461_{- 0.017}^{+ 0.016}$ $Mathematical equation: $ 10.461^{+0.016}_{-0.017} $$	$0 . 836_{- 0.018}^{+ 0.018}$ $Mathematical equation: $ 0.836^{+0.018}_{-0.018} $$	$0 . 149_{- 0.048}^{+ 0.060}$ $Mathematical equation: $ 0.149^{+0.060}_{-0.048} $$	$0 . 464_{- 0.129}^{+ 0.238}$ $Mathematical equation: $ 0.464^{+0.238}_{-0.129} $$	0.28	47 ± 17
10593078	1.52 ± 0.08	$83 . 202_{- 0.067}^{+ 0.067}$ $Mathematical equation: $ 83.202^{+0.067}_{-0.067} $$	$15 . 307_{- 0.015}^{+ 0.015}$ $Mathematical equation: $ 15.307^{+0.015}_{-0.015} $$		$0 . 320_{- 0.034}^{+ 0.034}$ $Mathematical equation: $ 0.320^{+0.034}_{-0.034} $$	S	0.32	> 114 ± 6
10784759	1.64 ± 0.10	$87 . 726_{- 0.106}^{+ 0.198}$ $Mathematical equation: $ 87.726^{+0.198}_{-0.106} $$	$15 . 711_{- 0.011}^{+ 0.011}$ $Mathematical equation: $ 15.711^{+0.011}_{-0.011} $$	$1 . 131_{- 0.011}^{+ 0.012}$ $Mathematical equation: $ 1.131^{+0.012}_{-0.011} $$	$0 . 137_{- 0.042}^{+ 0.086}$ $Mathematical equation: $ 0.137^{+0.086}_{-0.042} $$	$0 . 233_{- 0.129}^{+ 0.332}$ $Mathematical equation: $ 0.233^{+0.332}_{-0.129} $$	0.20	151 ± 42
11087371	1.41 ± 0.08	$78 . 097_{- 0.027}^{+ 0.030}$ $Mathematical equation: $ 78.097^{+0.030}_{-0.027} $$	$11 . 546_{- 0.010}^{+ 0.010}$ $Mathematical equation: $ 11.546^{+0.010}_{-0.010} $$		$0 . 231_{- 0.010}^{+ 0.011}$ $Mathematical equation: $ 0.231^{+0.011}_{-0.010} $$	S	0.32	> 52 ± 1
11602793	1.38 ± 0.07	$76 . 482_{- 0.080}^{+ 0.080}$ $Mathematical equation: $ 76.482^{+0.080}_{-0.080} $$	$10 . 453_{- 0.009}^{+ 0.009}$ $Mathematical equation: $ 10.453^{+0.009}_{-0.009} $$	$1 . 138_{- 0.004}^{+ 0.004}$ $Mathematical equation: $ 1.138^{+0.004}_{-0.004} $$	$0 . 068_{- 0.023}^{+ 0.024}$ $Mathematical equation: $ 0.068^{+0.024}_{-0.023} $$	D	0.19	[18; 25]±4
12008916	1.47 ± 0.09	$80 . 162_{- 0.059}^{+ 0.060}$ $Mathematical equation: $ 80.162^{+0.060}_{-0.059} $$	$12 . 880_{- 0.010}^{+ 0.010}$ $Mathematical equation: $ 12.880^{+0.010}_{-0.010} $$	$0 . 856_{- 0.005}^{+ 0.005}$ $Mathematical equation: $ 0.856^{+0.005}_{-0.005} $$	$0 . 107_{- 0.020}^{+ 0.020}$ $Mathematical equation: $ 0.107^{+0.020}_{-0.020} $$	D	0.21	[35; 50]±4
12168062	1.49 ± 0.09	$83 . 201_{- 1.896}^{+ 1.689}$ $Mathematical equation: $ 83.201^{+1.689}_{-1.896} $$	$12 . 445_{- 0.152}^{+ 0.159}$ $Mathematical equation: $ 12.445^{+0.159}_{-0.152} $$		$6 . 828_{- 0.315}^{+ 0.255}$ $Mathematical equation: $ 6.828^{+0.255}_{-0.315} $$	S	1.72	> 327 ± 52

Notes.

The ‘S’ and ‘D’ in column ‘a’ refer to ‘singlet’ and ‘doublet’ detection. Brackets indicate lower and upper bounds for the corresponding parameter. Masses are taken from Li et al. (2024).

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