Galaxy and mass assembly (GAMA): Mid-infrared properties and empirical relations from wise

M. E. Cluver; T. H. Jarrett; A. M. Hopkins; S. P. Driver; J. Liske; M. L.P. Gunawardhana; E. N. Taylor; A. S.G. Robotham; M. Alpaslan; I. Baldry; M. J.I. Brown; J. A. Peacock; C. C. Popescu; R. J. Tuffs; A. E. Bauer; J. Bland-Hawthorn; M. Colless; B. W. Holwerda; M. A. Lara-López; K. Leschinski; A. R. López-Sánchez; P. Norberg; M. S. Owers; L. Wang; S. M. Wilkins

doi:10.1088/0004-637X/782/2/90

Galaxy and mass assembly (GAMA): Mid-infrared properties and empirical relations from wise

M. E. Cluver, T. H. Jarrett, A. M. Hopkins, S. P. Driver, J. Liske, M. L.P. Gunawardhana, E. N. Taylor, A. S.G. Robotham, M. Alpaslan, I. Baldry, M. J.I. Brown, J. A. Peacock, C. C. Popescu, R. J. Tuffs, A. E. Bauer, J. Bland-Hawthorn, M. Colless, B. W. Holwerda, M. A. Lara-López, K. LeschinskiA. R. López-Sánchez, P. Norberg, M. S. Owers, L. Wang, S. M. Wilkins

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Abstract

The Galaxy And Mass Assembly (GAMA) survey furnishes a deep redshift catalog that, when combined with the Wide-field Infrared Survey Explorer (WISE), allows us to explore for the first time the mid-infrared properties of >110, 000 galaxies over 120 deg² to z ≃ 0.5. In this paper we detail the procedure for producing the matched GAMA-WISE catalog for the G12 and G15 fields, in particular characterizing and measuring resolved sources; the complete catalogs for all three GAMA equatorial fields will be made available through the GAMA public releases. The wealth of multiwavelength photometry and optical spectroscopy allows us to explore empirical relations between optically determined stellar mass (derived from synthetic stellar population models) and 3.4 μm and 4.6 μm WISE measurements. Similarly dust-corrected Hα-derived star formation rates can be compared to 12 μm and 22 μm luminosities to quantify correlations that can be applied to large samples to z < 0.5. To illustrate the applications of these relations, we use the 12 μm star formation prescription to investigate the behavior of specific star formation within the GAMA-WISE sample and underscore the ability of WISE to detect star-forming systems at z 0.5. Within galaxy groups (determined by a sophisticated friends-of-friends scheme), results suggest that galaxies with a neighbor within 100 h ^-1 kpc have, on average, lower specific star formation rates than typical GAMA galaxies with the same stellar mass.

Original language	English
Article number	90
Journal	Astrophysical Journal
Volume	782
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/782/2/90
Publication status	Published - 20 Feb 2014

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Cluver, M. E., Jarrett, T. H., Hopkins, A. M., Driver, S. P., Liske, J., Gunawardhana, M. L. P., Taylor, E. N., Robotham, A. S. G., Alpaslan, M., Baldry, I., Brown, M. J. I., Peacock, J. A., Popescu, C. C., Tuffs, R. J., Bauer, A. E., Bland-Hawthorn, J., Colless, M., Holwerda, B. W., Lara-López, M. A., ... Wilkins, S. M. (2014). Galaxy and mass assembly (GAMA): Mid-infrared properties and empirical relations from wise. Astrophysical Journal, 782(2), Article 90. https://doi.org/10.1088/0004-637X/782/2/90

@article{8e033099a581447485be0204ac492062,

title = "Galaxy and mass assembly (GAMA): Mid-infrared properties and empirical relations from wise",

abstract = "The Galaxy And Mass Assembly (GAMA) survey furnishes a deep redshift catalog that, when combined with the Wide-field Infrared Survey Explorer (WISE), allows us to explore for the first time the mid-infrared properties of >110, 000 galaxies over 120 deg2 to z ≃ 0.5. In this paper we detail the procedure for producing the matched GAMA-WISE catalog for the G12 and G15 fields, in particular characterizing and measuring resolved sources; the complete catalogs for all three GAMA equatorial fields will be made available through the GAMA public releases. The wealth of multiwavelength photometry and optical spectroscopy allows us to explore empirical relations between optically determined stellar mass (derived from synthetic stellar population models) and 3.4 μm and 4.6 μm WISE measurements. Similarly dust-corrected Hα-derived star formation rates can be compared to 12 μm and 22 μm luminosities to quantify correlations that can be applied to large samples to z < 0.5. To illustrate the applications of these relations, we use the 12 μm star formation prescription to investigate the behavior of specific star formation within the GAMA-WISE sample and underscore the ability of WISE to detect star-forming systems at z 0.5. Within galaxy groups (determined by a sophisticated friends-of-friends scheme), results suggest that galaxies with a neighbor within 100 h -1 kpc have, on average, lower specific star formation rates than typical GAMA galaxies with the same stellar mass.",

keywords = "Catalogs, Galaxies: Stellar content, Infrared: Galaxies, Surveys, galaxies: Star formation",

author = "Cluver, {M. E.} and Jarrett, {T. H.} and Hopkins, {A. M.} and Driver, {S. P.} and J. Liske and Gunawardhana, {M. L.P.} and Taylor, {E. N.} and Robotham, {A. S.G.} and M. Alpaslan and I. Baldry and Brown, {M. J.I.} and Peacock, {J. A.} and Popescu, {C. C.} and Tuffs, {R. J.} and Bauer, {A. E.} and J. Bland-Hawthorn and M. Colless and Holwerda, {B. W.} and Lara-L{\'o}pez, {M. A.} and K. Leschinski and L{\'o}pez-S{\'a}nchez, {A. R.} and P. Norberg and Owers, {M. S.} and L. Wang and Wilkins, {S. M.}",

year = "2014",

month = feb,

day = "20",

doi = "10.1088/0004-637X/782/2/90",

language = "English",

volume = "782",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "American Astronomical Society",

number = "2",

}

Cluver, ME, Jarrett, TH, Hopkins, AM, Driver, SP, Liske, J, Gunawardhana, MLP, Taylor, EN, Robotham, ASG, Alpaslan, M, Baldry, I, Brown, MJI, Peacock, JA, Popescu, CC, Tuffs, RJ, Bauer, AE, Bland-Hawthorn, J, Colless, M, Holwerda, BW, Lara-López, MA, Leschinski, K, López-Sánchez, AR, Norberg, P, Owers, MS, Wang, L & Wilkins, SM 2014, 'Galaxy and mass assembly (GAMA): Mid-infrared properties and empirical relations from wise', Astrophysical Journal, vol. 782, no. 2, 90. https://doi.org/10.1088/0004-637X/782/2/90

TY - JOUR

T1 - Galaxy and mass assembly (GAMA)

T2 - Mid-infrared properties and empirical relations from wise

AU - Cluver, M. E.

AU - Jarrett, T. H.

AU - Hopkins, A. M.

AU - Driver, S. P.

AU - Liske, J.

AU - Gunawardhana, M. L.P.

AU - Taylor, E. N.

AU - Robotham, A. S.G.

AU - Alpaslan, M.

AU - Baldry, I.

AU - Brown, M. J.I.

AU - Peacock, J. A.

AU - Popescu, C. C.

AU - Tuffs, R. J.

AU - Bauer, A. E.

AU - Bland-Hawthorn, J.

AU - Colless, M.

AU - Holwerda, B. W.

AU - Lara-López, M. A.

AU - Leschinski, K.

AU - López-Sánchez, A. R.

AU - Norberg, P.

AU - Owers, M. S.

AU - Wang, L.

AU - Wilkins, S. M.

PY - 2014/2/20

Y1 - 2014/2/20

N2 - The Galaxy And Mass Assembly (GAMA) survey furnishes a deep redshift catalog that, when combined with the Wide-field Infrared Survey Explorer (WISE), allows us to explore for the first time the mid-infrared properties of >110, 000 galaxies over 120 deg2 to z ≃ 0.5. In this paper we detail the procedure for producing the matched GAMA-WISE catalog for the G12 and G15 fields, in particular characterizing and measuring resolved sources; the complete catalogs for all three GAMA equatorial fields will be made available through the GAMA public releases. The wealth of multiwavelength photometry and optical spectroscopy allows us to explore empirical relations between optically determined stellar mass (derived from synthetic stellar population models) and 3.4 μm and 4.6 μm WISE measurements. Similarly dust-corrected Hα-derived star formation rates can be compared to 12 μm and 22 μm luminosities to quantify correlations that can be applied to large samples to z < 0.5. To illustrate the applications of these relations, we use the 12 μm star formation prescription to investigate the behavior of specific star formation within the GAMA-WISE sample and underscore the ability of WISE to detect star-forming systems at z 0.5. Within galaxy groups (determined by a sophisticated friends-of-friends scheme), results suggest that galaxies with a neighbor within 100 h -1 kpc have, on average, lower specific star formation rates than typical GAMA galaxies with the same stellar mass.

AB - The Galaxy And Mass Assembly (GAMA) survey furnishes a deep redshift catalog that, when combined with the Wide-field Infrared Survey Explorer (WISE), allows us to explore for the first time the mid-infrared properties of >110, 000 galaxies over 120 deg2 to z ≃ 0.5. In this paper we detail the procedure for producing the matched GAMA-WISE catalog for the G12 and G15 fields, in particular characterizing and measuring resolved sources; the complete catalogs for all three GAMA equatorial fields will be made available through the GAMA public releases. The wealth of multiwavelength photometry and optical spectroscopy allows us to explore empirical relations between optically determined stellar mass (derived from synthetic stellar population models) and 3.4 μm and 4.6 μm WISE measurements. Similarly dust-corrected Hα-derived star formation rates can be compared to 12 μm and 22 μm luminosities to quantify correlations that can be applied to large samples to z < 0.5. To illustrate the applications of these relations, we use the 12 μm star formation prescription to investigate the behavior of specific star formation within the GAMA-WISE sample and underscore the ability of WISE to detect star-forming systems at z 0.5. Within galaxy groups (determined by a sophisticated friends-of-friends scheme), results suggest that galaxies with a neighbor within 100 h -1 kpc have, on average, lower specific star formation rates than typical GAMA galaxies with the same stellar mass.

KW - Catalogs

KW - Galaxies: Stellar content

KW - Infrared: Galaxies

KW - Surveys

KW - galaxies: Star formation

UR - http://www.scopus.com/inward/record.url?scp=84893563574&partnerID=8YFLogxK

U2 - 10.1088/0004-637X/782/2/90

DO - 10.1088/0004-637X/782/2/90

M3 - Article

SN - 0004-637X

VL - 782

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 90

ER -

Galaxy and mass assembly (GAMA): Mid-infrared properties and empirical relations from wise

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