Skip to main content

7 Result(s)

within P. te Lintel Hekkert Remove this filter

and

  1. No Access

    Chapter and Conference Paper

    OH maser emission from F- and G-type supergiant stars

    We have detected OH maser emission from four stars classified at optical wavelengths as F- or G-type supergiants. The spectral characteristics of the OH masers are described. For the source HD 101584, images o...

    Jessica M. Chapman, P. te Lintel Hekkert, N. E. .B. Killeen in Astrophysical Masers (1993)

  2. No Access

    Chapter and Conference Paper

    OH/IR stars and the Galactic Centre distance

    Since December 1988, we have been using the Parkes 64-m radio telescope to monitor the OH 1612-MHz maser emission from 95 OH/IR stars in the disc, halo and bulge of our Galaxy. The observations are used to det...

    Jessica M. Chapman, N. E. B. Killeen, P. te Lintel Hekkert… in Astrophysical Masers (1993)

  3. No Access

    Chapter and Conference Paper

    The Progenitors of Planetary Nebulae

    Based on a new sample of (IRAS based) OH/IR stars (te Lintel Hekkert et al., 1991, A&AS, in press), and a catalogue of planetary nebulae compiled by Acker (1983, A&AS, 54, 315), we show the relation between th...

    P. te Lintel Hekkert, A. A. Zijlstra in The Stellar Populations of Galaxies (1992)

  4. No Access

    Chapter and Conference Paper

    OH/IR Stars and Other IRAS Point Sources as Progenitors of Planetary Nebulae

    We briefly review the history of the search for progenitors of planetary nebulae starting with Shklovsky’s (1956) paper. The inner structure of AGB stars (the likely progenitors) is sketched. The (1,b) distrib...

    H. J. Habing, P. te Lintel Hekkert, W. E. C. J. van der Veen in Planetary Nebulae (1989)

  5. No Access

    Chapter and Conference Paper

    1612 Mhz Survey of Selected IRAS Point Sources

    We observed the 1612 Mhz transition of the OH radical of IRAS point source positions, which, were selected by their IR color. The criteria were chosen in that way, that we would have a chance of at least 30% t...

    P. te Lintel Hekkert in Late Stages of Stellar Evolution (1987)

  6. No Access

    Chapter and Conference Paper

    A Large Scale OH Survey in Orion and Monoceros

    Large scale map** in both the 1665 and 1667 MHz molecular lines of OH shows overlap of two clouds near 1 = 211° and b = -19° in Orion South. Clouds associated with Monoceros R2 show a shell like structure. V...

    P. M. M. Jenniskens, H. J. Habing, J. G. A. Wouterloot… in Light on Dark Matter (1986)

  7. No Access

    Chapter and Conference Paper

    Survey of Galactic HI Emission At ∣b∣ ≤ 20°

    We have used the NRAO 140-ft telescope to survey galactic HI near the galactic equator. The observations cover the part of the sky north of δ = −40° in the latitude range b = −20° to at least +20°; in some reg...

    W. B. Burton, P. te Lintel Hekkert in The Milky Way Galaxy (1985)