STIS Ultraviolet Imagery of the Globular Cluster NGC 6681

Details STIS Ultraviolet Imagery of the Globular Cluster NGC 6681 STIS Ultraviolet Imagery of the Globular Cluster NGC 6681

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...191.8003l&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #80.03; Bulletin of the American Astronomical Society, Vol. 29, p.1338

Astronomy and Astrophysics

Astronomy

Scientific paper

The post--core-collapse globular cluster NGC 6681 (M70) is characterized by an intermediate metallicity ([Fe/H] = --1.5), a low reddening (E(B--V) = 0.06), and a blue horizontal branch (HB). STIS ultraviolet images of NGC 6681 have recently been obtained as part of the Servicing Mission Observatory Verification (SMOV) testing. The images were obtained in five ultraviolet filters (25MAMA, F25QTZ, F25SRF2, F25CN182, and F25CN270), and reach a typical limiting monochromatic magnitude of m(UV) ~ 22. Photometry of the blue HB stars in the far-ultraviolet ( ~ 1600 Angstroms) images is in good agreement with the WFPC2 Woods filter photometry of Watson et al. (1994, ApJL, 435, L55). The F25CN182 -- F25CN270 color-magnitude diagram shows a tight cluster of blue HB stars, a pronounced blue straggler sequence, and several white dwarf candidates.

Affiliated with

Also associated with

No associations

Rating

STIS Ultraviolet Imagery of the Globular Cluster NGC 6681 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with STIS Ultraviolet Imagery of the Globular Cluster NGC 6681, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and STIS Ultraviolet Imagery of the Globular Cluster NGC 6681 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1175613