Fig. 1.
Atomic gas distribution in NGC 2770. The data are at resolutions of 24″ × 13″ (top), 36″ × 30″ (middle), and 65″ × 56″ (bottom). Left: zeroth moment maps (integrated emission). Right: first moment maps (velocity fields) relative to z = 0.00649 (1945.65 km s−1). The positions of SNe are marked by grey circles, whereas the black cross shows the position of the optical centre of the galaxy. Each panel is 6.7′ per side. North is up and east is to the left. NGC 2770B is at the right edge of the panels and connected to NGC 2770 by a tidal feature. NGC 2770C is at the left edge of the panels.
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