Deep MMT1 transit survey of the open cluster M37. I. Observations and cluster parameters

J. D. Hartman; B. S. Gaudi; M. J. Holman; B. A. McLeod; K. Z. Stanek; J. A. Barranco; M. H. Pinsonneault; S. Meibom; J. S. Kalirai

doi:10.1086/527465

Deep MMT¹ transit survey of the open cluster M37. I. Observations and cluster parameters

J. D. Hartman, B. S. Gaudi, M. J. Holman, B. A. McLeod, K. Z. Stanek, J. A. Barranco, M. H. Pinsonneault, S. Meibom, J. S. Kalirai

Research output: Contribution to journal › Review article › peer-review

48 Scopus citations

Abstract

We have conducted a deep (15 ≲ r ≲ 23), 20 night survey for transiting planets in the intermediate-age open cluster M37 (NGC 2099) using the Megacam wide-field mosaic CCD camera on the 6.5 m MMT. In this paper we describe the observations and data reduction procedures for the survey and analyze the stellar content and dynamical state of the cluster. By combining high-resolution spectroscopy with existing BVI_CK_S and new gri color-magnitude diagrams, we determine the fundamental cluster parameters: t = 485 ± 28 Myr without overshooting (t = 550 ± 30 Myr with overshooting), E( B- V) = 0.227 ± 0.038, (m - M)_V = 11.57 ± 0.13, and [M/H] = +0.045 ± 0.044, which are in good agreement with, although more precise than, previous measurements. We determine the mass function down to 0.3 M_⊙ and use this to estimate the total cluster mass of 3640 ± 170 M_⊙.

Original language	English (US)
Pages (from-to)	1233-1253
Number of pages	21
Journal	Astrophysical Journal
Volume	675
Issue number	2
DOIs	https://doi.org/10.1086/527465
State	Published - Mar 10 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Keywords

Open clusters and associations: individual (M37)
Planetary systems
Stars: fundamental parameters
Stars: luminosity function, mass function
Surveys

Access to Document

10.1086/527465

Cite this

@article{324661e482d14c5fbd9fa035d6fc0956,

title = "Deep MMT1 transit survey of the open cluster M37. I. Observations and cluster parameters",

abstract = "We have conducted a deep (15 ≲ r ≲ 23), 20 night survey for transiting planets in the intermediate-age open cluster M37 (NGC 2099) using the Megacam wide-field mosaic CCD camera on the 6.5 m MMT. In this paper we describe the observations and data reduction procedures for the survey and analyze the stellar content and dynamical state of the cluster. By combining high-resolution spectroscopy with existing BVICKS and new gri color-magnitude diagrams, we determine the fundamental cluster parameters: t = 485 ± 28 Myr without overshooting (t = 550 ± 30 Myr with overshooting), E( B- V) = 0.227 ± 0.038, (m - M)V = 11.57 ± 0.13, and [M/H] = +0.045 ± 0.044, which are in good agreement with, although more precise than, previous measurements. We determine the mass function down to 0.3 M⊙ and use this to estimate the total cluster mass of 3640 ± 170 M⊙.",

keywords = "Open clusters and associations: individual (M37), Planetary systems, Stars: fundamental parameters, Stars: luminosity function, mass function, Surveys",

author = "Hartman, {J. D.} and Gaudi, {B. S.} and Holman, {M. J.} and McLeod, {B. A.} and Stanek, {K. Z.} and Barranco, {J. A.} and Pinsonneault, {M. H.} and S. Meibom and Kalirai, {J. S.}",

year = "2008",

month = mar,

day = "10",

doi = "10.1086/527465",

language = "English (US)",

volume = "675",

pages = "1233--1253",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "American Astronomical Society",

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TY - JOUR

T1 - Deep MMT1 transit survey of the open cluster M37. I. Observations and cluster parameters

AU - Hartman, J. D.

AU - Gaudi, B. S.

AU - Holman, M. J.

AU - McLeod, B. A.

AU - Stanek, K. Z.

AU - Barranco, J. A.

AU - Pinsonneault, M. H.

AU - Meibom, S.

AU - Kalirai, J. S.

PY - 2008/3/10

Y1 - 2008/3/10

N2 - We have conducted a deep (15 ≲ r ≲ 23), 20 night survey for transiting planets in the intermediate-age open cluster M37 (NGC 2099) using the Megacam wide-field mosaic CCD camera on the 6.5 m MMT. In this paper we describe the observations and data reduction procedures for the survey and analyze the stellar content and dynamical state of the cluster. By combining high-resolution spectroscopy with existing BVICKS and new gri color-magnitude diagrams, we determine the fundamental cluster parameters: t = 485 ± 28 Myr without overshooting (t = 550 ± 30 Myr with overshooting), E( B- V) = 0.227 ± 0.038, (m - M)V = 11.57 ± 0.13, and [M/H] = +0.045 ± 0.044, which are in good agreement with, although more precise than, previous measurements. We determine the mass function down to 0.3 M⊙ and use this to estimate the total cluster mass of 3640 ± 170 M⊙.

AB - We have conducted a deep (15 ≲ r ≲ 23), 20 night survey for transiting planets in the intermediate-age open cluster M37 (NGC 2099) using the Megacam wide-field mosaic CCD camera on the 6.5 m MMT. In this paper we describe the observations and data reduction procedures for the survey and analyze the stellar content and dynamical state of the cluster. By combining high-resolution spectroscopy with existing BVICKS and new gri color-magnitude diagrams, we determine the fundamental cluster parameters: t = 485 ± 28 Myr without overshooting (t = 550 ± 30 Myr with overshooting), E( B- V) = 0.227 ± 0.038, (m - M)V = 11.57 ± 0.13, and [M/H] = +0.045 ± 0.044, which are in good agreement with, although more precise than, previous measurements. We determine the mass function down to 0.3 M⊙ and use this to estimate the total cluster mass of 3640 ± 170 M⊙.

KW - Open clusters and associations: individual (M37)

KW - Planetary systems

KW - Stars: fundamental parameters

KW - Stars: luminosity function, mass function

KW - Surveys

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