PCA of H-band IFU pixel spectra decomposes cool stellar populations in NGC 5128 and NGC 5102, identifying M-giant, long-period variable, and carbon star contributions.
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Decomposing cool stellar populations with H-band spectral fluctuations: Long-period variable stars in NGC 5128 and carbon stars in NGC 5102
PCA of H-band IFU pixel spectra decomposes cool stellar populations in NGC 5128 and NGC 5102, identifying M-giant, long-period variable, and carbon star contributions.