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Table 1.

Basic properties of NGC 3125 and IC 4662.

NGC 3125 IC 4662 Reference
RA (J2000) 10h06m33 . s $ \overset{\text{ s}}{.} $372 17h47m08 . s $ \overset{\text{ s}}{.} $86 LEDA database
Dec (J2000) −29d56m05 . s $ \overset{\text{ s}}{.} $50 −64d38m30 . s $ \overset{\text{ s}}{.} $3 LEDA database
Type BCD (WR) IBm (WR) Hadfield & Crowther (2006), Crowther & Bibby (2009)
Inclination/° 55.8 58 LEDA database, Van Eymeren et al. (2010)
D/Mpc 13.8 2.44 Marlowe et al. (1995), Karachentsev et al. (2006)
MB/mag −17.68 −16.27 LEDA database
log(MHI/M) 8.26 Zastrow et al. (2013), Koribalski et al. (2018)
12 + log(O/H) 8.3 8.1 Hadfield & Crowther (2006), Crowther & Bibby (2009)
log[SFR/(M yr−1)] −0.15 −1.12 Marasco et al. (2023), Crowther & Bibby (2009)
log[Hα/(erg s−1 cm−2)] −11.46 −11.14 Gil de Paz et al. (2003), Crowther & Bibby (2009)
FHI/(Jy km s−1) 103.5 Koribalski et al. (2018)
S12 μm/Jy 0.31 0.27 Condon et al. (2021)
S25 μm/Jy 0.74 1.27 Condon et al. (2021)
S60 μm/Jy 5.33 8.82 Condon et al. (2021)
S100 μm/Jy 6.67 11.38 Condon et al. (2021)
( † )S0.2 − 2 keV/(10−13 erg s−1 cm−2) 1.902 0.70 SWIFT-XRT, Burrows et al. (2005)
( † )S2 − 12 keV/(10−13 erg s−1 cm−2) 54.89 33.67 SWIFT-XRT, Burrows et al. (2005)
( † )S20 − 40 keV/(10−13 erg s−1 cm−2) 31.72 32.64 Integral, Walter et al. (2003)
( † )S40 − 60 keV/(10−13 erg s−1 cm−2) 27.48 28.63 Integral, Walter et al. (2003)
( † )S60 − 100 keV/(10−13 erg s−1 cm−2) 28.42 29.88 Integral, Walter et al. (2003)

Notes. ( † )The X-ray flux are taken from http://xmmuls.esac.esa.int/upperlimitserver/ and only represent an upper limit.

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