Chemical analysis of early-type stars with planets

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Table 1

Sample of stars studied in this work.

Star name	Spectral	Companion	Companion	Companion	IR	Spectra	S∕N	Companion and
	type	detection	mass [M_Jup]	type	excess		at 5000 Å	IR excess Refs.
		method
Exoplanet host stars

β Pic	A6V	Imaging	9.9, 8.9	Planet	Yes	HARPS	1500	R1, R14, R20, R21
Fomalhaut	A4V	Imaging	<1	Planet	Yes	REOSC	490	R2, R20, R21
KELT-9	B9.5 – A0	Transit	2.88	Planet	No	HARPS-N	550	R3, R23
HD 95086	A8III	Imaging	2.6	Planet	Yes	HARPS	310	R4, R14, R24, R25
HD 169142	F1VekA3mA3 HAeBe	Imaging	<1, <10	Planet	Yes	HARPS	210	R5, R26
HR 8799	F0+VkA5mA5	Imaging	8.3, 8.3, 9.2	Planet	Yes	ELODIE	370	R6, R14, R27, R28
KELT-17	A2	Transit	1.31	Planet	No	REOSC	210	R7
KELT-20	A0	Transit	3.5	Planet	No	HARPS-N	450	R8
MASCARA-1	A8	Transit	3.7	Planet	…	HARPS-N	560	R9
WASP-33	kA5hA8mF4	Transit	<4.1	Planet	…	HIRES	250	R10
HAT-P-49	A8	Transit	1.73	Planet	…	SOPHIE	135	R15
WASP-167	F1V	Transit	<8	Planet	…	HARPS	205	R16
WASP-189	A4/5IV/V	Transit	1.99	Planet	…	HARPS	1105	R17

Stars with a brown dwarf (BD) companion

β Cir	A3Va	Imaging	58.7	BD	Yes	HARPS	250	R11, R22
59 Dra	A7 HAeBe	RV	25	BD	…	ELODIE	350	R12
ζ Del	A3Va	…	50	BD	…	ELODIE	290	R18

Stars with no-companion detected

HD 133803	F2IVm-2	…	…	…	…	HARPS	300	R14
HR 4502 A	A0V	…	…	…	…	HARPS	130	R14
BU Psc	A9V/IV	…	…	…	…	HARPS	110	R14
HD 29391	F0 IV	…	…	…	…	HARPS	410	R14
HD 105850	A1V	…	…	…	…	HARPS	650	R14
HD 110058	A0V	…	…	…	Yes	HARPS	450	R14, R29
HD 115820	A7/8V	…	…	…	…	HARPS	250	R14
HD 120326	F0V	…	…	…	…	HARPS	200	R14
HD 129926	F0VSr+G1V	…	…	…	…	HARPS	600	R14
HD 146624	A1 Va	…	…	…	…	HARPS	620	R14
HD 153053	A5IV/V	…	…	…	Yes	HARPS	600	R14, R22
HD 156751	A7II/III	…	…	…	…	HARPS	410	R14
HD 159492	A5IV/V	…	…	…	Yes	HARPS	720	R14, R22
HD 188228	A0Va	…	…	…	Yes	HARPS	840	R14, R21
HD 23281	A5III/IV	…	…	…	…	HARPS	470	R14
HD 50445	A3V	…	…	…	…	HARPS	680	R14
HD 56537	A4IV	…	…	…	Yes	HARPS	620	R14, R20
HD 88955	A2Va	…	…	…	Yes	HARPS	590	R14, R20
V435 Car	A5V	…	…	…	Yes	HARPS	200	R14
λ Boötis	A0Va lBoo	…	…	…	Yes	ELODIE	525	R20, R21
Vega	A0Va	…	…	…	Yes	SOPHIE	1230	R19, R20, R21

References. Companions data: R1 (Lagrange et al. 2019), R2 (Kalas et al. 2013), R3 (Borsa et al. 2019), R4 (De Rosa et al. 2016), R5 (Fedele et al. 2017), R6 (Wang et al. 2018), R7 (Zhou et al. 2016), R8 (Lund et al. 2017), R9 (Talens et al. 2017), R10 (Collier Cameron et al. 2010), R11 (Smith et al. 2015), R12 (Galland et al. 2006), R13 (Aller et al. 2013), R14 (Nielsen et al. 2019), R15 (Bieryla et al. 2014), R16 (Temple et al. 2017), R17 (Lendl et al. 2020), R18 (De Rosa et al. 2014), R19 (Matrà et al. 2020), R20 (Rieke et al. 2005), R21 (Su et al. 2006), R22 (Morales et al. 2011), R23 (Gaudi et al. 2017), R24 (Moór et al. 2013), R25 (Su et al. 2017), R26 (Reggiani et al. 2014), R27 (Su et al. 2009), R28 (Matthews et al. 2014), R29 (Esposito et al. 2020).

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