OXYGEN-RICH MASS LOSS WITH A PINCH OF SALT: NaCl IN THE CIRCUMSTELLAR GAS OF IK TAURI AND VY CANIS MAJORIS

The NaCl molecule has been observed in the circumstellar envelopes of VY Canis Majoris (VY CMa) and IK Tauri (IK Tau)—the first identifications of a metal refractory in oxygen-rich shells of evolved stars. Five rotational transitions of NaCl at 1 and 2 mm were detected toward VY CMa and three 1 mm lines were observed toward IK Tau, using the telescopes of… CONTINUE READING