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Lensed galaxies in CANDELS

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Lensed galaxies in CANDELS. / Cooray, Asantha; Fu, Hai; Calanog, Jae et al.
In: arxiv.org, 01.10.2011.

Research output: Contribution to Journal/Magazine › Journal article

Harvard

Cooray, A, Fu, H, Calanog, J, Wardlow, JL, Chiu, A, Kim, S, Smidt, J, Acquaviva, V, Ferguson, HC, Faber, SM, Galametz, A, Grogin, NA, Hartley, W, Kocevski, D, Koekemoer, A, Koo, DC, Lucas, RA, Moustakas, L & Newman, JA 2011, 'Lensed galaxies in CANDELS', arxiv.org. <http://adsabs.harvard.edu/abs/2011arXiv1110.3784C>

APA

Cooray, A., Fu, H., Calanog, J., Wardlow, J. L., Chiu, A., Kim, S., Smidt, J., Acquaviva, V., Ferguson, H. C., Faber, S. M., Galametz, A., Grogin, N. A., Hartley, W., Kocevski, D., Koekemoer, A., Koo, D. C., Lucas, R. A., Moustakas, L., & Newman, J. A. (2011). Lensed galaxies in CANDELS. Unpublished. http://adsabs.harvard.edu/abs/2011arXiv1110.3784C

Vancouver

Cooray A, Fu H, Calanog J, Wardlow JL, Chiu A, Kim S et al. Lensed galaxies in CANDELS. arxiv.org. 2011 Oct 1.

Author

Cooray, Asantha ; Fu, Hai ; Calanog, Jae et al. / Lensed galaxies in CANDELS. In: arxiv.org. 2011.

Bibtex

@article{6e398c5c1ba740029d331842f0290a2d,
title = "Lensed galaxies in CANDELS",
abstract = "We present results from a search for gravitationally lensed galaxies present in the Hubble Space Telescope (HST)/Wide Field Camera-3 (WFC3) images of the Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey (CANDELS). We present one bona fide lens system in UDS and two compact lens candidates in the GOODS-S field. The lensing system in UDS involves two background galaxies, one at z=1.847 lensed to an arc and a counterimage, and the second at a photometric redshift of z=2.32^{+0.10}_{-0.06} lensed to a double image. We reconstruct the lensed sources in the source plane and find in each of the two cases the sources can be separated to a pair of galaxies. The sources responsible for the arc are compact with effective radii of 0.3 to 0.4 kpc in WFC3 J_{125}-band and a total stellar mass and a star-formation rate of 2.1_{-0.4}^{+2.4} times 10^7 M_sun and 2.3_{-1.7}^{+ 0.6} M_sun yr^{-1}, respectively.The abnormally high H_{160}-band flux of this source is likely due to OIII emission lines with a rest-frame equivalent width about 700 Angstroms for OIII 5007 Angstroms. The sources responsible for the double image have corresponding values of about 0.4 to 0.5 kpc, 1.4_{-0.8}^{+1.9} times 10^9 M_sun, and 8.7_{-7.0}^{+11.1} M_sun yr^{-1}. Once completed CANDELS is expected to contain about 15 lensing systems and will allow statistical studies on both lensing mass profiles and z ~ 2 lensed galaxies.",
keywords = "Astrophysics - Cosmology and Extragalactic Astrophysics",
author = "Asantha Cooray and Hai Fu and Jae Calanog and Wardlow, {J. L.} and A. Chiu and Sam Kim and Joseph Smidt and V. Acquaviva and Ferguson, {H. C.} and Faber, {S. M.} and A. Galametz and Grogin, {N. A.} and W. Hartley and D. Kocevski and A. Koekemoer and Koo, {D. C.} and Lucas, {R. A.} and L. Moustakas and Newman, {J. A.}",
year = "2011",
month = oct,
day = "1",
language = "English",
journal = "arxiv.org",

}

RIS

TY - JOUR

T1 - Lensed galaxies in CANDELS

AU - Cooray, Asantha

AU - Fu, Hai

AU - Calanog, Jae

AU - Wardlow, J. L.

AU - Chiu, A.

AU - Kim, Sam

AU - Smidt, Joseph

AU - Acquaviva, V.

AU - Ferguson, H. C.

AU - Faber, S. M.

AU - Galametz, A.

AU - Grogin, N. A.

AU - Hartley, W.

AU - Kocevski, D.

AU - Koekemoer, A.

AU - Koo, D. C.

AU - Lucas, R. A.

AU - Moustakas, L.

AU - Newman, J. A.

PY - 2011/10/1

Y1 - 2011/10/1

N2 - We present results from a search for gravitationally lensed galaxies present in the Hubble Space Telescope (HST)/Wide Field Camera-3 (WFC3) images of the Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey (CANDELS). We present one bona fide lens system in UDS and two compact lens candidates in the GOODS-S field. The lensing system in UDS involves two background galaxies, one at z=1.847 lensed to an arc and a counterimage, and the second at a photometric redshift of z=2.32^{+0.10}_{-0.06} lensed to a double image. We reconstruct the lensed sources in the source plane and find in each of the two cases the sources can be separated to a pair of galaxies. The sources responsible for the arc are compact with effective radii of 0.3 to 0.4 kpc in WFC3 J_{125}-band and a total stellar mass and a star-formation rate of 2.1_{-0.4}^{+2.4} times 10^7 M_sun and 2.3_{-1.7}^{+ 0.6} M_sun yr^{-1}, respectively.The abnormally high H_{160}-band flux of this source is likely due to OIII emission lines with a rest-frame equivalent width about 700 Angstroms for OIII 5007 Angstroms. The sources responsible for the double image have corresponding values of about 0.4 to 0.5 kpc, 1.4_{-0.8}^{+1.9} times 10^9 M_sun, and 8.7_{-7.0}^{+11.1} M_sun yr^{-1}. Once completed CANDELS is expected to contain about 15 lensing systems and will allow statistical studies on both lensing mass profiles and z ~ 2 lensed galaxies.

AB - We present results from a search for gravitationally lensed galaxies present in the Hubble Space Telescope (HST)/Wide Field Camera-3 (WFC3) images of the Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey (CANDELS). We present one bona fide lens system in UDS and two compact lens candidates in the GOODS-S field. The lensing system in UDS involves two background galaxies, one at z=1.847 lensed to an arc and a counterimage, and the second at a photometric redshift of z=2.32^{+0.10}_{-0.06} lensed to a double image. We reconstruct the lensed sources in the source plane and find in each of the two cases the sources can be separated to a pair of galaxies. The sources responsible for the arc are compact with effective radii of 0.3 to 0.4 kpc in WFC3 J_{125}-band and a total stellar mass and a star-formation rate of 2.1_{-0.4}^{+2.4} times 10^7 M_sun and 2.3_{-1.7}^{+ 0.6} M_sun yr^{-1}, respectively.The abnormally high H_{160}-band flux of this source is likely due to OIII emission lines with a rest-frame equivalent width about 700 Angstroms for OIII 5007 Angstroms. The sources responsible for the double image have corresponding values of about 0.4 to 0.5 kpc, 1.4_{-0.8}^{+1.9} times 10^9 M_sun, and 8.7_{-7.0}^{+11.1} M_sun yr^{-1}. Once completed CANDELS is expected to contain about 15 lensing systems and will allow statistical studies on both lensing mass profiles and z ~ 2 lensed galaxies.

KW - Astrophysics - Cosmology and Extragalactic Astrophysics

M3 - Journal article

JO - arxiv.org

JF - arxiv.org

ER -