A SITELLE view of M31's central region - I: Calibrations and radial velocity catalogue of nearly 800 emission-line point-like sources

Abstract

We present a detailed description of the wavelength, astrometric and photometric calibration plan for SITELLE, the imaging Fourier transform spectrometer attached to the Canada-France-Hawaii telescope, based on observations of a red (647 - 685 nm) data cube of the central region (11${}^{\prime }\times 11^{\prime }$) of the Andromeda galaxy. The first application, presented in this paper, is a radial-velocity catalogue (with uncertainties of $\sim 2-6$ km/s) of nearly 800 emission-line point-like sources, including $\sim$ 450 new discoveries. Most of the sources are likely planetary nebulae, although we also detect five novae (having erupted in the first 8 months of 2016) and one new supernova remnant candidate.

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Cited by in corpus (5)

• New insights into the WR nebula M1-67 with SITELLE
• The survey of Planetary Nebulae in Andromeda (M31): I. Imaging the disk and halo with MegaCam@CFHT
• Discovering novae in early-type galaxies with MUSE: A chance find in NGC 1404, and twelve more candidates from an archival search
• A Search for Supernova Light Echoes in NGC 6946 with SITELLE
• The Fornax3D project: Planetary nebulae catalogue and independent distance measurements to Fornax cluster galaxies