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Table 3.
Properties of AzV 261 among the Bsg zoo and cBe stars.
| Bsgs | sgB[e] | S Doradus LBV | cBe | |
|---|---|---|---|---|
| Luminosity | I-III | I-III | I-III | IV-V |
| Light curve | Quasi-periodic | Irregular | Periodic micro-variations +Irregular increase/decrease | Periodic |
| Spectral type changes | Stable | Stable | Changes aperiodic | Stable |
| Hα emission | Variable emission | Yes+ forbidden line emission | Variable emission | Double-peaked variable |
| Infrared colours | None | Hot dust+disc | Cold dust/free-free emission | Free-free emission |
Notes. The properties of AzV 261 are highlighted in bold face.
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