The VST Photometric Hα Survey of the Southern Galactic Plane and Bulge (VPHAS plus )

被引：211

作者：

Drew, J. E. ^{[1
]}

Gonzalez-Solares, E. ^{[2
]}

Greimel, R. ^{[3
]}

Irwin, M. J. ^{[2
]}

Yoldas, A. Kupcu ^{[2
]}

Lewis, J. ^{[2
]}

Barentsen, G. ^{[1
]}

Eisloeffel, J. ^{[4
]}

Farnhill, H. J. ^{[1
]}

Martin, W. E. ^{[1
]}

Walsh, J. R. ^{[5
]}

Walton, N. A. ^{[2
]}

Mohr-Smith, M. ^{[1
]}

Raddi, R. ^{[6
]}

Sale, S. E. ^{[7
]}

Wright, N. J. ^{[1
]}

Groot, P. ^{[8
]}

Barlow, M. J. ^{[9
]}

Corradi, R. L. M. ^{[10
]}

Drake, J. J. ^{[11
]}

Fabregat, J. ^{[12
]}

Frew, D. J. ^{[13
]}

Gaensicke, B. T. ^{[6
]}

Knigge, C. ^{[14
]}

Mampaso, A. ^{[10
]}

Morris, R. A. H. ^{[15
]}

Naylor, T. ^{[16
]}

Parker, Q. A. ^{[13
]}

Phillipps, S. ^{[14
]}

Ruhland, C. ^{[1
]}

Steeghs, D. ^{[6
]}

Unruh, Y. C. ^{[17
]}

Vink, J. S. ^{[18
]}

Wesson, R. ^{[19
]}

Zijlstra, A. A. ^{[20
]}

机构：

[1] Univ Hertfordshire, Sch Phys Astron & Math, Hatfield AL10 9AB, Herts, England

[2] Univ Cambridge, Inst Astron, Cambridge CB3 OHA, England

[3] Graz Univ, Inst Phys, IGAM, A-8010 Graz, Austria

[4] Thuringer Landessternwarte, D-07778 Tautenburg, Germany

[5] ESO Headquarters, D-85748 Garching, Germany

[6] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[7] Rudolf Peierls Ctr Theoret Phys, Oxford OX1 3NP, England

[8] Radboud Univ Nijmegen, Afd Sterrenkunde, Fac NWI, NL-6500 GL Nijmegen, Netherlands

[9] UCL, Dept Phys & Astron, London WC1E 6BT, England

[10] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Tenerife, Spain

[11] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[12] Univ Valencia, Astron Observ, E-46980 Paterna, Spain

[13] Macquarie Univ, Dept Phys & Astron, N Ryde, NSW 2109, Australia

[14] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

[15] Univ Bristol, Sch Phys, Bristol BS8 1TL, Avon, England

[16] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England

[17] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Dept Phys, London SW7 2AZ, England

[18] Armagh Observ, Armagh BT61 9DG, North Ireland

[19] European So Observ, Santiago, Chile

[20] Univ Manchester, Sch Phys & Astron, Jodrell Bank Ctr Astrophys, Manchester M13 9PL, Lancs, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2014年 / 440卷 / 03期

基金：

欧洲研究理事会;

关键词：

surveys; stars: general; H II regions; planetary nebulae: general; Galaxy: bulge; Galaxy: disc; V458; VULPECULAE; DATA RELEASE; UVEX SURVEY; SKY SURVEY; MILKY-WAY; IPHAS; NEBULAE; CATALOG; OBJECTS; STARS;

D O I：

10.1093/mnras/stu394

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The VST Photometric H alpha Survey of the Southern Galactic Plane and Bulge (VPHAS+) is surveying the southern Milky Way in u, g, r, i and H alpha at similar to 1 arcsec angular resolution. Its footprint spans the Galactic latitude range -5(o) < b < +5 degrees at all longitudes south of the celestial equator. Extensions around the Galactic Centre to Galactic latitudes +/- 10 degrees bring in much of the Galactic bulge. This European Southern Observatory public survey, begun on 2011 December 28, reaches down to similar to 20th magnitude (10 Sigma) and will provide single-epoch digital optical photometry for similar to 300 million stars. The observing strategy and data pipelining are described, and an appraisal of the segmented narrow-band H alpha filter in use is presented. Using model atmospheres and library spectra, we compute main-sequence (u - g), (g - r), (r - i) and (r - H alpha) stellar colours in the Vega system. We report on a preliminary validation of the photometry using test data obtained from two pointings overlapping the Sloan Digital Sky Survey. An example of the (u - g, g - r) and (r - H alpha, r - i) diagrams for a full VPHAS+ survey field is given. Attention is drawn to the opportunities for studies of compact nebulae and nebular morphologies that arise from the image quality being achieved. The value of the u band as the means to identify planetary-nebula central stars is demonstrated by the discovery of the central star of NGC 2899 in survey data. Thanks to its excellent imaging performance, the VLT Survey Telescope (VST)/OmegaCam combination used by this survey is a perfect vehicle for automated searches for reddened early-type stars, and will allow the discovery and analysis of compact binaries, white dwarfs and transient sources.

引用

页码：2036 / 2058

页数：23

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