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Table 3.

Spectral classifications derived by the MKCLASS_HgMn code.

(1) (2) (3) (4) (5) (6) (7) (8)

LAMOST_ID Output using libr18/libnor36/libsynth/liblamost Ndet(λ3984) Ndet(λ4136) Ndet(λ4206) Ndet(λ4252/9) Ndet(Mn_all) SpT_final
J000118.65+464355.0 A0 II−III Eu4205 Hg3984 Mn4259 1 0 0 1 1 B9.5 III HgMn
?
B9 III Eu4205
B9.5 III

J002635.94+562206.5 A0 II−III Eu4205 Hg3984 Mn4136 Mn4206 2 2 2 0 4 B9 IV-V HgMn
B8 V Eu4205 Mn4206
B8 IV Eu4205 Hg3984 Mn4136
B9 IV−V

J020922.72+533908.6 B7 V Eu4205 Mn4136 Mn4206 2 3 3 0 6 B8 IV HgMn
B8 IV Eu4205 Hg3984 Mn4136 Mn4206
B8 IV Eu4205 Hg3984 Mn4136 Mn4206
B9 III−IV

J030852.02+553734.3 B8 III−IV Eu4205 Hg3984 Mn4206 Mn4259 3 0 4 4 8 B8 IV HgMn
B7 III−IV Eu4205 Hg3984 Mn4206 Mn4259
B8 III Eu4205 Hg3984 Mn4206 Mn4259
B0 0 Mn4206 Mn4259

J031312.82+493559.8 A0 II−III Eu4205 Hg3984 Mn4136 1 1 0 0 1 B9 III-IV HgMn
?
B9 III Eu4205
B9 III−IV

J031943.49+561329.7 B7 III Eu4205 Mn4206 1 0 3 0 3 B7 III HgMn
B5 III Hg3984 Mn4206
B7 III Eu4205 Mn4206
?

J032252.69+582806.7 B6 IV Mn4136 Mn4206 Mn4259 0 2 4 4 10 B6 IV HgMn
B7 III−IV Mn4206 Mn4259
B8 III−IV Eu4205 Mn4206 Mn4259
B6 IV Mn4136 Mn4206 Mn4259

J033700.61+571139.0 A0 II−III bl4077 Eu4205 Hg3984 1 0 0 0 0 B9 IV (HgMn)
B9 III−IV bl4077 Eu4205
B9 IV bl4077 Eu4205
B9 IV bl4077

J033939.69+473758.3 A0 II Eu4205 Mn4136 Mn4206 2 3 3 0 6 B8 IV HgMn
B8 IV Eu4205 Hg3984 Mn4136 Mn4206
B9 II−III Eu4205
B8 IV Hg3984 Mn4136 Mn4206

J034903.76+454037.3 B9 III−IV Eu4205 Hg3984 Mn4259 1 0 0 1 1 B9 IV HgMn
B9 IV Eu4205
B9 IV Eu4205
B9 IV−V

Notes. The columns denote: (1) LAMOST identifier. (2) “raw” MKCLASS_HgMn output using the standard star libraries libr18, libnor36, libsynth, and liblamost. (3)−(6) Number of detections Ndet of a peculiarly strong line at the specified wavelength (Å) using all four libraries. (7) Number of detections across all investigated Mn II lines. (8) MKCLASS final type.

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