New planetary nebulae in LMC (Reid+, 2006)

Details New planetary nebulae in LMC (Reid+, 2006) New planetary nebulae in LMC (Reid+, 2006)

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..73650401r&link_type=abstract

VizieR On-line Data Catalog: J/MNRAS/365/401. Originally published in: 2006MNRAS.365..401R

Physics

Magellanic Clouds, Photometry: H-Alpha

Scientific paper

Over the last few years, we have specially constructed additional deep, homogeneous, narrow-band H and matching broad-band 'SR' (Short Red) maps of the entire central 25deg2 of the LMC. These unique maps were obtained from co-adding 12 well-matched UKST 2-h Hα exposures and six 15-min equivalent SR-band exposures on the same field using high-resolution Tech-Pan film. The 'SuperCOSMOS' plate-measuring machine at the Royal Observatory Edinburgh (Hambly et al., 2001MNRAS.326.1279) has scanned, co-added and pixel-matched these exposures, creating 10-m (0.67-arcsec) pixel data which goes 1.35 and 1mag deeper than individual exposures, achieving the full canonical Poissonian depth gain, e.g. Bland-Hawthorn, Shopbell & Malin (1993AJ....106.2154B). This gives a depth ~21.5 for the SR images and Requiv~22 for Hα (4.5x10-17erg/cm2/s/{AA}) which is at least 1-mag deeper than the best wide-field narrow-band LMC images currently available.
(2 data files).

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