2 citations · 2 across the 2 of their papers we have counts for
2 papers
astro-ph1999★ 2 cited
The Light Curve and Evolutionary Status of the Carbon Star V Hya
G. R. Knapp, S. I. Dobrovolsky, Z. Ivezic +4
V Hya, an evolved carbon star with a complex circumstellar envelope, has two variability periods, 530d and 6000d (17 years). We analyze recent light curve data and show that both v…
astro-ph1999
The Circumstellar Envelope of pi Gru
G. R. Knapp, K. Young, M. Crosas
CO(J = 2-1) and SiO(J = 5-4) emission has been observed from the molecular envelope around the nearby S star pi Gru. The CO line profile differs from the usual parabolic shape seen…