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Author

K. Valeckas

2 papers indexed here

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Review Oct 2026

A heterogeneous set of unusual quasars selected from astrometry and broad-band photometry

The aim of this study is to explore methods for how to identify new quasars with different properties with regard to reddening, redshift, the presence of broad absorption lines from outflows, or other rare properties affecting the broad-band colours. We use Gaia-based astrometric pre-selection to study only sources tha...

C. Cheng, K. Valeckas, L. Christensen et al. · 0 citations
Aug 2026

Introducing the data-reduction pipeline for the Nordic Optical Telescope Transient Explorer spectrograph

The Nordic Optical Telescope Transient Explorer (NTE) is a new multiarm imaging and spectroscopic instrument being developed for the Nordic Optical Telescope (NOT). In spectroscopic mode, NTE provides simultaneous wavelength coverage from 320nm to 2440nm through three independent arms. To support the time-critical scie...

K. Valeckas, Arthur M. Kadela, J. Viuho et al. · 1 citation

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