SETI bioastro: Photometric study of distant open clusters in the second quadrant: NGC 7245, Kin

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Astrophysics, abstract
astro-ph/0703075

From: Annapurni Subramaniam [view email]

Date: Mon, 5 Mar 2007 12:26:34 GMT (573kb)

Photometric study of distant open clusters in the second quadrant: NGC 7245,
King 9, King 13 and IC 166

Authors: Annapurni Subramaniam, Bhuwan Chandra Bhatt (Indian Institute of
Astrophysics, Bangalore)

Comments: To appear in MNRAS

We present a UBV CCD photometric study of four open clusters, NGC 7245, King
9, IC 166 and King 13, located between $l = 90^o - 135^o$. All are embedded
in a rich galactic field. NGC 7245 and King 9 are close together in the sky
and have similar reddenings. The distances and ages are: NGC 7245,
3.8$\pm$0.35 kpc and 400 Myr; King 9 (the most distant cluster in this
quadrant) 7.9$\pm$1.1 kpc and 3.0 Gyr. King 13 is 3.1$\pm$0.3 kpc distant
and 300 Myr old. King 9 and IC 166 (4.8$\pm$0.5 kpc distant & 1 Gyr old) may
be metal poor clusters (Z=0.008), as estimated from isochrone fitting. The
average value of the distance of young clusters from the galactic plane in
the above longitude range and beyond 2 kpc ($-47\pm$16 pc, for 64 clusters),
indicates that the young disk bends towards the southern latitudes.

http://arxiv.org/abs/astro-ph/0703075

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