The H$α$ Dots Survey. IV. A Fourth List of Faint Emission-Line Objects
Joseph D. Watkins,
John J. Salzer,
Angela Van Sistine
et al.
Abstract:We present the fourth catalog of serendipitously discovered compact extragalactic emission-line sources -Hα Dots. A total of 454 newly discovered objects are included in the current survey list. These objects have been detected in searches of moderately deep narrow-band images acquired for the ALFALFA Hα project (Van Sistine et al. 2016). The catalog of Hα Dots presented in the current paper was derived from searches carried out using ALFALFA Hα images obtained with the KPNO 2.1 m telescope. This results in a … Show more
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