SIMBAD references

2012A&A...548A..16H - Astronomy and Astrophysics, volume 548A, 16-16 (2012/12-1)

Improved astrometry for the Bohannan & Epps catalogue.


Abstract (from CDS):

Accurate astrometry is required to reliably cross-match 20th-century catalogues against 21st-century surveys. The present work aims to provide such astrometry for the 625 entries of the Bohannan & Epps (1974A&AS...18...47B; BE74) catalogue of Hα emission-line stars. BE74 targets have been individually identified in digital images and, in most cases, unambiguously matched to entries in the UCAC4 astrometric catalogue. Sub-arcsecond astrometry is now available for almost all BE74 stars. Several identification errors in the literature illustrate the perils of relying solely on positional coincidences using poorer-quality astrometry.

Abstract Copyright:

Journal keyword(s): astrometry - stars: emission-line, Be - Magellanic Clouds

VizieR on-line data: <Available at CDS (J/A+A/548/A16): table1.dat table2.dat table3.dat>

Simbad objects: 627

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