Keywords
galaxies: active
galaxies: distances and redshifts
methods: observational
surveys
techniques: spectroscopic
Astrophysics - Instrumentation and Methods for Astrophysics
Astrophysics - Astrophysics of Galaxies
galaxies: distances and redshifts
methods: observational
surveys
techniques: spectroscopic
Astrophysics - Instrumentation and Methods for Astrophysics
Astrophysics - Astrophysics of Galaxies
How to Cite
Emission Line Galaxies Behind the Planetary Nebula IC 5148: Potential for a Serendipity Survey with Archival Data. (2018). Revista Mexicana De Astronomía Y Astrofísica, 54(1), 101-109. https://astronomia.unam.mx/journals/rmxaa/article/view/2018rmxaa..54..101k
Abstract
During the start of a survey program using FORS2 long slit spectroscopy on planetary nebulae (PN) and their haloes, we serendipitously discovered six background emission line galaxies (ELG) with redshifts of z = 0.2057, 0.3137, 0.37281, 0.4939, 0.7424 and 0.8668. Thus they clearly do not belong to a common cluster structure. We derived the major physical properties of the targets. Since the used long slit covers a sky area of only 570 arcsec2 (= 4.3×10-5 square degrees), we discuss further potential of serendipitous discoveries in archival data, beside the deep systematic work of the ongoing and upcoming big surveys. We conclude that archival data provide a decent potential for extending the overall data on ELGs without any selection bias.Similar Articles
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