Photometric and proper motion study of the neglected open cluster NCG 2215

M T Fitzgerald; L Inwood; D H McKinnon; W S Dias; Mariana Sacchi Gomes; B Scott; M. Zolinski; Lena Danaia; R Edwards

doi:10.1088/0004-6256/149/6/190

Photometric and proper motion study of the neglected open cluster NCG 2215

M T Fitzgerald, L Inwood, D H McKinnon, W S Dias, Mariana Sacchi Gomes, B Scott, M. Zolinski, Lena Danaia, R Edwards

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Abstract

Optical UBVRI photometric measurements using the Faulkes Telescope North were taken in early 2011 and combined with 2MASS JHKs and WISE infrared photometry as well as UCAC4 proper motion data in order to estimate the main parameters of the galactic open cluster NGC 2215 of which large uncertainty exists in the current literature. Fitting a King model we estimate a core radius of 1.'12 ± 0.'04 (0.24 ± 0.01 pc) and a limiting radius of 4.'3 ± 0.'5 (0.94 ± 0.11 pc) for the cluster. The results of isochrone fits indicates an age of log(t) = 8.85 ± 0.10 with a distance of d = 790 ± 90 pc, a metallicity of [Fe/H] = -0.40 ± 0.10 dex, and a reddening of E (B - V) = 0.26 ± 0.04. A proportion of the work in this study was undertaken by Australian and Canadian upper secondary school students involved in the Space to Grow astronomy education project, and is the first scientific publication to have utilized our star cluster photometry curriculum materials.

Original language	English
Pages (from-to)	1-7
Number of pages	7
Journal	Astronomical Journal
Volume	149
Issue number	6
DOIs	https://doi.org/10.1088/0004-6256/149/6/190
Publication status	Published - Jun 2015

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@article{f5b332dda5f7458bb668d629561e4959,

title = "Photometric and proper motion study of the neglected open cluster NCG 2215",

abstract = "Optical UBVRI photometric measurements using the Faulkes Telescope North were taken in early 2011 and combined with 2MASS JHKs and WISE infrared photometry as well as UCAC4 proper motion data in order to estimate the main parameters of the galactic open cluster NGC 2215 of which large uncertainty exists in the current literature. Fitting a King model we estimate a core radius of 1.'12 ± 0.'04 (0.24 ± 0.01 pc) and a limiting radius of 4.'3 ± 0.'5 (0.94 ± 0.11 pc) for the cluster. The results of isochrone fits indicates an age of log(t) = 8.85 ± 0.10 with a distance of d = 790 ± 90 pc, a metallicity of [Fe/H] = -0.40 ± 0.10 dex, and a reddening of E (B - V) = 0.26 ± 0.04. A proportion of the work in this study was undertaken by Australian and Canadian upper secondary school students involved in the Space to Grow astronomy education project, and is the first scientific publication to have utilized our star cluster photometry curriculum materials.",

keywords = "Methods: observational, Open clusters and associations: general, Open clusters and associations: individual (NGC 2215), Techniques: photometric",

author = "Fitzgerald, {M T} and L Inwood and McKinnon, {D H} and Dias, {W S} and {Sacchi Gomes}, Mariana and B Scott and M. Zolinski and Lena Danaia and R Edwards",

note = "Includes bibliographical references",

year = "2015",

month = jun,

doi = "10.1088/0004-6256/149/6/190",

language = "English",

volume = "149",

pages = "1--7",

journal = "Astronomical Journal",

issn = "0004-6256",

publisher = "IOP Publishing Ltd.",

number = "6",

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TY - JOUR

T1 - Photometric and proper motion study of the neglected open cluster NCG 2215

AU - Fitzgerald, M T

AU - Inwood, L

AU - McKinnon, D H

AU - Dias, W S

AU - Sacchi Gomes, Mariana

AU - Scott, B

AU - Zolinski, M.

AU - Danaia, Lena

AU - Edwards, R

N1 - Includes bibliographical references

PY - 2015/6

Y1 - 2015/6

N2 - Optical UBVRI photometric measurements using the Faulkes Telescope North were taken in early 2011 and combined with 2MASS JHKs and WISE infrared photometry as well as UCAC4 proper motion data in order to estimate the main parameters of the galactic open cluster NGC 2215 of which large uncertainty exists in the current literature. Fitting a King model we estimate a core radius of 1.'12 ± 0.'04 (0.24 ± 0.01 pc) and a limiting radius of 4.'3 ± 0.'5 (0.94 ± 0.11 pc) for the cluster. The results of isochrone fits indicates an age of log(t) = 8.85 ± 0.10 with a distance of d = 790 ± 90 pc, a metallicity of [Fe/H] = -0.40 ± 0.10 dex, and a reddening of E (B - V) = 0.26 ± 0.04. A proportion of the work in this study was undertaken by Australian and Canadian upper secondary school students involved in the Space to Grow astronomy education project, and is the first scientific publication to have utilized our star cluster photometry curriculum materials.

AB - Optical UBVRI photometric measurements using the Faulkes Telescope North were taken in early 2011 and combined with 2MASS JHKs and WISE infrared photometry as well as UCAC4 proper motion data in order to estimate the main parameters of the galactic open cluster NGC 2215 of which large uncertainty exists in the current literature. Fitting a King model we estimate a core radius of 1.'12 ± 0.'04 (0.24 ± 0.01 pc) and a limiting radius of 4.'3 ± 0.'5 (0.94 ± 0.11 pc) for the cluster. The results of isochrone fits indicates an age of log(t) = 8.85 ± 0.10 with a distance of d = 790 ± 90 pc, a metallicity of [Fe/H] = -0.40 ± 0.10 dex, and a reddening of E (B - V) = 0.26 ± 0.04. A proportion of the work in this study was undertaken by Australian and Canadian upper secondary school students involved in the Space to Grow astronomy education project, and is the first scientific publication to have utilized our star cluster photometry curriculum materials.

KW - Methods: observational

KW - Open clusters and associations: general

KW - Open clusters and associations: individual (NGC 2215)

KW - Techniques: photometric

U2 - 10.1088/0004-6256/149/6/190

DO - 10.1088/0004-6256/149/6/190

M3 - Article

SN - 0004-6256

VL - 149

SP - 1

EP - 7

JO - Astronomical Journal

JF - Astronomical Journal

IS - 6

ER -

Photometric and proper motion study of the neglected open cluster NCG 2215

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