Photometric measurements from 2.2 ¡x to 18/a are reported for six southern RV Tauri stars.Four of the six have anomalous infrared excess radiation similar to that observed in other RV Tauri stars.The infrared spectra of IW Car, AR Pup, and SX Cen resemble that of oxygen-rich RV Tau.RU Cen is similar to AC Her.
No takes yet. Share an insight, caveat, or question.
Gehrz et al. (1972) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: