Near-infrared, optical, and ultraviolet quasi-simultaneous observations of 11 BL Lacertae objects are reported. For all but one source the dereddened spectral...
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PublicationThe near-infrared-optical-ultraviolet emission of BL Lacertae objects
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PublicationThe Near-IR Calcium Triplet: Empirical Calibration and Stellar Populations Models
Not Available
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PublicationThe near-IR properties and continuum shapes of high redshift quasars from the Sloan Digital Sky Survey
We present J-H-K' photometry for a sample of 45 high redshift quasars found by the Sloan Digital Sky Survey. The sample was originally selected on the basis of...
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PublicationThe Near-Ultraviolet Continuum of Late-Type Stars
Analyses of the near-ultraviolet continuum of late-type stars have led to controversial results regarding the performance of state-of-the-art model atmospheres...
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PublicationThe Near-ultraviolet Continuum Radiation in the Impulsive Phase of HF/GF-type dMe Flares. I. Data
We present near-UV (NUV) flare spectra from the Hubble Space Telescope (HST)/Cosmic Origins Spectrograph during two moderate-amplitude U-band flares on the dM4e...
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PublicationThe nearest extreme starburst: bubbles, young star clusters and outflow in the merger NGC 3256
We have studied the extreme starburst in the infrared merger NGC 3256. We detect four galactic bubbles (using ESO New Technology Telescope and Hubble Space...
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PublicationThe Nearest Ultra Diffuse Galaxy: UGC 2162
We describe the structural, stellar population and gas properties of the nearest ultra diffuse galaxy discovered so far: UGC 2162 (z = 0.00392 {R}e,g=1.7(+/- 0...
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PublicationThe Necklace: equatorial and polar outflows from the binary central star of the new planetary nebula IPHASX J194359.5+170901
IPHASX J194359.5+170901 is a new high-excitation planetary nebula with remarkable characteristics. It consists of a knotty ring expanding at a speed of 28 km s...
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PublicationThe neutron star transient and millisecond pulsar in M28: from sub-luminous accretion to rotation-powered quiescence
The X-ray transient IGR J18245-2452 in the globular cluster M28 contains the first neutron star (NS) seen to switch between rotation-powered and accretion...