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Table 1.

Spectral types determined by MKCLASS from the LAMOST spectra.

Gaia DR3 spt_libr18 libnor36 spt_libr18_225 SpT manual SpT literature
121406905707934464 B8 IV Si B9 III Si F1 mB8 IV-V metal-weak B9 III-IV Si B8-9 Si He-wk (1)
3019972890876467968 Unclassifiable B8 III-IV Si F1 mB8 IV-V metal-weak B8 IV-V Si: B6 VI Si (2)
3368982075084757632 Unclassifiable O6 III F4 V Fe-1.2 B9 Ve SrSiEu A2 V (3)
3131891973309856640 B5 IV O7 ? kB9hF2mG2 Eu B7-8 V Eu B5 IV (1)

Notes. The last column lists the latest spectral type we could find in the literature (if available) as a reference.

References. (1) Potravnov et al. (2023b), (2) Shang et al. (2022), (3) Zhang et al. (2022).

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