Reddening Study of a Bright High Galactic Latitude Nebula: LBN 434

Details Reddening Study of a Bright High Galactic Latitude Nebula: LBN 434 Reddening Study of a Bright High Galactic Latitude Nebula: LBN 434

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aj....113.1375h&link_type=abstract

Astronomical Journal v.113, p. 1375-1378 (1997)

Astronomy and Astrophysics

Astronomy

2

Scientific paper

A high galactic latitude nebula, Lynds Bright Nebula 434, was found to lie over part of the rich cluster of galaxies Abell 2657 (Hintz et al. 1997). To examine the effects of this nebula upon the cluster we have mapped the excited gas and dust in the region of the cluster using an H_α filter and CCD. Additionally, UBVR observations were taken to estimate the reddening in this region. Using late-type stars in the field of the cluster we found a maximum E(B-V) value of 0\fm 35 within the visible nebulosity. We show that this amount of reddening is sufficient to cause the effects on the luminosity function of Abell 2657 detailed in Hintz et al. (1997). In addition, we estimate that the nebula is approximately 250 pc in distance and has a physical diameter of about 7 pc.

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