During the first few nights following its discovery, we observed the interstellar Ca II and Na I lines towards supernova 1993J at high spectral resolution (full...
-
PublicaciónInterstellar and intergalactic gas in the direction of SN 1993J in M81
-
PublicaciónIRAS 17423-1755: A BQ() star with a variable velocity outflow
Infrared Astronomy Satellite (IRAS) 17423-1755 has been identified as a BQ() star. Its more remarkable observed features are large radial velocities, huge line...
-
PublicaciónIRAS 22568 + 6141 - A new bipolar planetary nebula
The identification of a bipolar planetary nebula is reported with a description of its characteristics. The nebula IRAS 22568 + 6141 has an extension of 8...
-
PublicaciónKELT-24b: A 5M <SUB>J</SUB> Planet on a 5.6 day Well-aligned Orbit around the Young V = 8.3 F-star HD 93148
We present the discovery of KELT-24 b, a massive hot Jupiter orbiting a bright (V = 8.3 mag, K = 7.2 mag) young F-star with a period of 5.6 days. The host star...
-
PublicaciónLimits on the Spin-Orbit Angle and Atmospheric Escape for the 22 Myr Old Planet AU Mic b
We obtained spectra of the pre-main-sequence star AU Microscopii during a transit of its Neptune-sized planet to investigate its orbit and atmosphere. We used...
-
PublicaciónObservations of solar p-modes with L of not greater than 5
Results are presented for the sun's radial velocity in integrated sunlight. A resonant scattering spectrometer has been used to determine the frequencies and...
-
PublicaciónOn the Metamorphosis of the Bailey Diagram for RR Lyrae Stars
We collected over 6000 high-resolution spectra of four dozen field RR Lyrae (RRL) variables pulsating either in the fundamental (39 RRab) or in the first...
-
PublicaciónOn the shell spectrum of 48 Librae
Spectrograms of the variable star 48 Librae, taken near the last expected minimum, have been examined for irregularities of the shell line profiles. The...
-
PublicaciónOn the supersonic turbulence of NGC 604
Two-dimensional high spatial resoultion Fabry-Perot observations with TAURUS 2 at the William Herschel Telescope in La Palma, over the inner central regions of...