T. Montmerle & Ph. Andr'e, eds. H 2 IR emission in OMC at high spatial resolution (2007)
Frank P. Pijpers, Laurence Vannier, Jean-louis Lemaire, Daniel Rouan
Abstract. The Orion Molecular Cloud (OMC) is a region in which massive stars are forming. Whilst all stars undergo a period of violent ejection of material during early stages of their evolution,...
Pulsation in giants with known radius (2007)
Recently the physical radii of a number of G, K and M giants were determined interferometrically (van Belle et al., 1999) using the Palomar Testbed Interferometer and using distances obtained with...
T. Montmerle & Ph. Andr'e, eds. MONS: a Danish satellite project for asteroseismology (2007)
Abstract. MONS is a part of the Danish Rmer satellite, which is currently under development as an element of the Danish Small Satellite Programme. The satellite will according to the current plans...
Variability in pre-main-sequence stars (2007)
Herbig Ae/Be (HAEBE) stars are objects which are believed to be intermediate mass stars (with masses between 2 and 10 times solar) in an evolutionary phase where they are still contracting before...
Solar-like oscillations in the G2 subgiant beta Hydri from dual-site observations (2007)
Bedding, Timothy R., Kjeldsen, Hans, Arentoft, Torben, Bouchy, Francois, Brandbyge, Jacob, Brewer, Brendon J., ...
We have observed oscillations in the nearby G2 subgiant star beta Hyi using high-precision velocity observations obtained over more than a week with the HARPS and UCLES spectrographs. The oscillation...
The spectral resolving power of irregularly sampled time series (2006)
A method is presented for investigating the periodic signal content of time series in which a number of signals is present, such as arising from the observation of multiperiodic oscillating stars in...
Schwartz, Steven J., Zane, Silvia, Wilson, Robert J., Pijpers, Frank P., Moore, Daniel R., Kataria, D. O., ...
We report here on serendipitous observations of the intense gamma-ray flare from SGR 1806-20 that occured on 27 December 2004. Unique data from the Cluster and Double Star-2 satellites, designed to...
Selection criteria for targets of asteroseismic campaigns (2003)
Various dedicated satellite projects are underway or in advanced stages of planning to perform high-precision, long duration time series photometry of stars, with the purpose of using the frequencies...
The time delay of the quadruple quasar RX J0911.4+0551 (2002)
Hjorth, Jens, Burud, Ingunn, Jaunsen, Andreas O., Schechter, Paul L., Kneib, Jean-Paul, Andersen, Michael I., ...
We present optical lightcurves of the gravitationally lensed components A (=A1+A2+A3) and B of the quadruple quasar RX J0911.4+0551 (z = 2.80). The observations were primarily obtained at the Nordic...
Solar rotation inversions and the relationship between a-coefficients and mode splittings (1997)
From the observing campaigns of a number of helioseismic telescope networks such as the Global Oscillation Network Group (GONG) and also from the Solar Heliospheric Observatory satellite (SoHO),...
The determination of time lags using SOLA (1996)
A common problem in astronomy is the determination of the time shift between two otherwise identical time series of measured flux from a variable source, in short the determination of a time lag. Two...
Reverberation mapping of active galactic nuclei : The SOLA method for time-series inversion (1994)
Pijpers, Frank P., Wanders, Ignaz
In this paper a new method is presented to find the transfer function of the broad-line region in active galactic nuclei. The subtractive optimally localized averages (SOLA) method is a modified...