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Table A.1.

Included hot subdwarfs with a hint of IR excess.

Name Class Reference
TYC 7489-686-1 sdB+dM/BD [6, 11]
Feige 34 sdO+dM [7]
V*EQPsc/PB 5450 sdBV+dM [5]
PG 1619+522 sdB+dM [3, 4]
GD 1068 sdB+dM [10]
CD−23 15853 sdO+dM This work.
Feige 36 sdB+dM [1, 2]
HD 149382* sdOB+dM [8, 12, 13, 14]
TYC 5977-517-1 sdB+dM/BD [9]
UCAC4 219-125136 sdB+? This work.

Notes. * The hint of IR excess in the SED more likely comes from a nearby contamination star. A strong IR excess in this system likely comes from background contamination.

References. 1) Saffer et al. (1998), 2) Moran et al. (1999), 3) Maxted et al. (2001), 4) Morales-Rueda et al. (2003), 5) Jeffery & Ramsay (2014), 6) Kawka et al. (2015), 7) Latour et al. (2018a), 8) Schneider et al. (2018), 9) Krzesinski & Balona (2022), 10) Schaffenroth et al. (2022) 11) Schaffenroth et al. (2023), 12) Geier et al. (2009), 13) Ostensen et al. (2005), 14) Jacobs et al. (2011)

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