Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data

B. Nord; E. Buckley-Geer; H. Lin; N. Kuropatkin; T. Collett; D. L. Tucker; H. T. Diehl; A. Agnello; A. Amara; T. M. C. Abbott; S. Allam; J. Annis; S. Avila; K. Bechtol; D. Brooks; D. L. Burke; A. Carnero Rosell; M. Carrasco Kind; J. Carretero; C. E. Cunha; L. N. da Costa; C. Davis; J. De Vicente; P. Doel; T. F. Eifler; A. E. Evrard; E. Fernandez; B. Flaugher; P. Fosalba; J. Frieman; J. Garcıa- Bellido; E. Gaztanaga; D. Gruen; R. A. Gruendl; G. Gutierrez; W. G. Hartley; D. L. Hollowood; K. Honscheid; B. Hoyle; D. J. James; K. Kuehn; N. Kuropatkin; O. Lahav; M. Lima; M. A. G. Maia; M. March; J. L. Marshall; P. Melchior; F. Menanteau; R. Miquel; A. A. Plazas; A. K. Romer; A. Roodman; E. S. Rykoff; E. Sanchez; V. Scarpine; R. Schindler; M. Schubnell; I. Sevilla-Noarbe; M. Smith; M. Soares-Santos; F. Sobreira; E. Suchyta; M. E. C. Swanson; G. Tarle; D. Thomas; Y. Zhang

doi:10.1093/mnras/staa200

Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data

B. Nord, E. Buckley-Geer, H. Lin, N. Kuropatkin, T. Collett, D. L. Tucker, H. T. Diehl, A. Agnello, A. Amara, T. M. C. Abbott, S. Allam, J. Annis, S. Avila, K. Bechtol, D. Brooks, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, C. E. CunhaL. N. da Costa, C. Davis, J. De Vicente, P. Doel, T. F. Eifler, A. E. Evrard, E. Fernandez, B. Flaugher, P. Fosalba, J. Frieman, J. Garcıa- Bellido, E. Gaztanaga, D. Gruen, R. A. Gruendl, G. Gutierrez, W. G. Hartley, D. L. Hollowood, K. Honscheid, B. Hoyle, D. J. James, K. Kuehn, N. Kuropatkin, O. Lahav, M. Lima, M. A. G. Maia, M. March, J. L. Marshall, P. Melchior, F. Menanteau, R. Miquel, A. A. Plazas, A. K. Romer, A. Roodman, E. S. Rykoff, E. Sanchez, V. Scarpine, R. Schindler, M. Schubnell, I. Sevilla-Noarbe, M. Smith, M. Soares-Santos, F. Sobreira, E. Suchyta, M. E. C. Swanson, G. Tarle, D. Thomas, Y. Zhang

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Abstract

We describe the observation and confirmation of nine new strong gravitational lenses discovered in Year 1 data from the Dark Energy Survey (DES). We created candidate lists based on a) galaxy group and cluster samples and b) photometrically selected galaxy samples. We selected 46 candidates through visual inspection and then used the Gemini Multi-Object Spectrograph (GMOS) at the Gemini South telescope to acquire spectroscopic follow-up of 21 of these candidates. Through analysis of this spectroscopic follow-up data, we confirmed nine new lensing systems and rejected two candidates, but the analysis was inconclusive on 10 candidates. For each of the confirmed systems, we report measured spectroscopic properties, estimated source image-lens separation, and estimated enclosed masses. The sources that we targeted have an i-band surface brightness range of i_SB ∼ 22−24 mag/arcsec² and a spectroscopic redshift range of z_spec ∼ 0.8 − 2.6. The lens galaxies have a photometric redshift range of z_lens ∼ 0.3 − 0.7. The lensing systems range in source image-lens separation 2 − 9" and in enclosed mass 10¹² − 10¹³M⊙.

Original language	English
Pages (from-to)	1308–1322
Journal	Monthly Notices of the Royal Astronomical Society
Volume	494
Issue number	1
Early online date	28 Jan 2020
DOIs	https://doi.org/10.1093/mnras/staa200
Publication status	Published - 1 May 2020

Keywords

astro-ph.CO
astro-ph.GA
astro-ph.IM
RCUK
STFC
gravitational lenses: general
gravitational lensing individual
gravitational lensing: strong
gravitational lensing: clusters
gravitational lensing: survey
surveys: DES

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10.1093/mnras/staa200

1911.02162v1Accepted author manuscript (Post-print), 12 MB

Data availability statement for 'Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data'.
Collett, T. (Creator), Amara, A. (Creator) & Thomas, D. (Creator), Oxford University Press, 28 Jan 2020
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Nord, B., Buckley-Geer, E., Lin, H., Kuropatkin, N., Collett, T., Tucker, D. L., Diehl, H. T., Agnello, A., Amara, A., Abbott, T. M. C., Allam, S., Annis, J., Avila, S., Bechtol, K., Brooks, D., Burke, D. L., Rosell, A. C., Kind, M. C., Carretero, J., ... Zhang, Y. (2020). Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data. Monthly Notices of the Royal Astronomical Society, 494(1), 1308–1322. https://doi.org/10.1093/mnras/staa200

@article{44a48780e4bf469ba12552f3add65849,

title = "Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data",

abstract = "We describe the observation and confirmation of nine new strong gravitational lenses discovered in Year 1 data from the Dark Energy Survey (DES). We created candidate lists based on a) galaxy group and cluster samples and b) photometrically selected galaxy samples. We selected 46 candidates through visual inspection and then used the Gemini Multi-Object Spectrograph (GMOS) at the Gemini South telescope to acquire spectroscopic follow-up of 21 of these candidates. Through analysis of this spectroscopic follow-up data, we confirmed nine new lensing systems and rejected two candidates, but the analysis was inconclusive on 10 candidates. For each of the confirmed systems, we report measured spectroscopic properties, estimated source image-lens separation, and estimated enclosed masses. The sources that we targeted have an i-band surface brightness range of iSB ∼ 22−24 mag/arcsec2 and a spectroscopic redshift range of zspec ∼ 0.8 − 2.6. The lens galaxies have a photometric redshift range of zlens ∼ 0.3 − 0.7. The lensing systems range in source image-lens separation 2 − 9{"} and in enclosed mass 1012 − 1013M⊙.",

keywords = "astro-ph.CO, astro-ph.GA, astro-ph.IM, RCUK, STFC, gravitational lenses: general, gravitational lensing individual, gravitational lensing: strong, gravitational lensing: clusters, gravitational lensing: survey, surveys: DES",

author = "B. Nord and E. Buckley-Geer and H. Lin and N. Kuropatkin and T. Collett and Tucker, {D. L.} and Diehl, {H. T.} and A. Agnello and A. Amara and Abbott, {T. M. C.} and S. Allam and J. Annis and S. Avila and K. Bechtol and D. Brooks and Burke, {D. L.} and Rosell, {A. Carnero} and Kind, {M. Carrasco} and J. Carretero and Cunha, {C. E.} and Costa, {L. N. da} and C. Davis and Vicente, {J. De} and P. Doel and Eifler, {T. F.} and Evrard, {A. E.} and E. Fernandez and B. Flaugher and P. Fosalba and J. Frieman and Bellido, {J. Garcıa-} and E. Gaztanaga and D. Gruen and Gruendl, {R. A.} and G. Gutierrez and Hartley, {W. G.} and Hollowood, {D. L.} and K. Honscheid and B. Hoyle and James, {D. J.} and K. Kuehn and N. Kuropatkin and O. Lahav and M. Lima and Maia, {M. A. G.} and M. March and Marshall, {J. L.} and P. Melchior and F. Menanteau and R. Miquel and Plazas, {A. A.} and Romer, {A. K.} and A. Roodman and Rykoff, {E. S.} and E. Sanchez and V. Scarpine and R. Schindler and M. Schubnell and I. Sevilla-Noarbe and M. Smith and M. Soares-Santos and F. Sobreira and E. Suchyta and Swanson, {M. E. C.} and G. Tarle and D. Thomas and Y. Zhang",

year = "2020",

month = may,

day = "1",

doi = "10.1093/mnras/staa200",

language = "English",

volume = "494",

pages = "1308–1322",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "1",

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Nord, B, Buckley-Geer, E, Lin, H, Kuropatkin, N, Collett, T, Tucker, DL, Diehl, HT, Agnello, A, Amara, A, Abbott, TMC, Allam, S, Annis, J, Avila, S, Bechtol, K, Brooks, D, Burke, DL, Rosell, AC, Kind, MC, Carretero, J, Cunha, CE, Costa, LND, Davis, C, Vicente, JD, Doel, P, Eifler, TF, Evrard, AE, Fernandez, E, Flaugher, B, Fosalba, P, Frieman, J, Bellido, JG, Gaztanaga, E, Gruen, D, Gruendl, RA, Gutierrez, G, Hartley, WG, Hollowood, DL, Honscheid, K, Hoyle, B, James, DJ, Kuehn, K, Kuropatkin, N, Lahav, O, Lima, M, Maia, MAG, March, M, Marshall, JL, Melchior, P, Menanteau, F, Miquel, R, Plazas, AA, Romer, AK, Roodman, A, Rykoff, ES, Sanchez, E, Scarpine, V, Schindler, R, Schubnell, M, Sevilla-Noarbe, I, Smith, M, Soares-Santos, M, Sobreira, F, Suchyta, E, Swanson, MEC, Tarle, G, Thomas, D & Zhang, Y 2020, 'Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data', Monthly Notices of the Royal Astronomical Society, vol. 494, no. 1, pp. 1308–1322. https://doi.org/10.1093/mnras/staa200

TY - JOUR

T1 - Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data

AU - Nord, B.

AU - Buckley-Geer, E.

AU - Lin, H.

AU - Kuropatkin, N.

AU - Collett, T.

AU - Tucker, D. L.

AU - Diehl, H. T.

AU - Agnello, A.

AU - Amara, A.

AU - Abbott, T. M. C.

AU - Allam, S.

AU - Annis, J.

AU - Avila, S.

AU - Bechtol, K.

AU - Brooks, D.

AU - Burke, D. L.

AU - Rosell, A. Carnero

AU - Kind, M. Carrasco

AU - Carretero, J.

AU - Cunha, C. E.

AU - Costa, L. N. da

AU - Davis, C.

AU - Vicente, J. De

AU - Doel, P.

AU - Eifler, T. F.

AU - Evrard, A. E.

AU - Fernandez, E.

AU - Flaugher, B.

AU - Fosalba, P.

AU - Frieman, J.

AU - Bellido, J. Garcıa-

AU - Gaztanaga, E.

AU - Gruen, D.

AU - Gruendl, R. A.

AU - Gutierrez, G.

AU - Hartley, W. G.

AU - Hollowood, D. L.

AU - Honscheid, K.

AU - Hoyle, B.

AU - James, D. J.

AU - Kuehn, K.

AU - Kuropatkin, N.

AU - Lahav, O.

AU - Lima, M.

AU - Maia, M. A. G.

AU - March, M.

AU - Marshall, J. L.

AU - Melchior, P.

AU - Menanteau, F.

AU - Miquel, R.

AU - Plazas, A. A.

AU - Romer, A. K.

AU - Roodman, A.

AU - Rykoff, E. S.

AU - Sanchez, E.

AU - Scarpine, V.

AU - Schindler, R.

AU - Schubnell, M.

AU - Sevilla-Noarbe, I.

AU - Smith, M.

AU - Soares-Santos, M.

AU - Sobreira, F.

AU - Suchyta, E.

AU - Swanson, M. E. C.

AU - Tarle, G.

AU - Thomas, D.

AU - Zhang, Y.

PY - 2020/5/1

Y1 - 2020/5/1

N2 - We describe the observation and confirmation of nine new strong gravitational lenses discovered in Year 1 data from the Dark Energy Survey (DES). We created candidate lists based on a) galaxy group and cluster samples and b) photometrically selected galaxy samples. We selected 46 candidates through visual inspection and then used the Gemini Multi-Object Spectrograph (GMOS) at the Gemini South telescope to acquire spectroscopic follow-up of 21 of these candidates. Through analysis of this spectroscopic follow-up data, we confirmed nine new lensing systems and rejected two candidates, but the analysis was inconclusive on 10 candidates. For each of the confirmed systems, we report measured spectroscopic properties, estimated source image-lens separation, and estimated enclosed masses. The sources that we targeted have an i-band surface brightness range of iSB ∼ 22−24 mag/arcsec2 and a spectroscopic redshift range of zspec ∼ 0.8 − 2.6. The lens galaxies have a photometric redshift range of zlens ∼ 0.3 − 0.7. The lensing systems range in source image-lens separation 2 − 9" and in enclosed mass 1012 − 1013M⊙.

AB - We describe the observation and confirmation of nine new strong gravitational lenses discovered in Year 1 data from the Dark Energy Survey (DES). We created candidate lists based on a) galaxy group and cluster samples and b) photometrically selected galaxy samples. We selected 46 candidates through visual inspection and then used the Gemini Multi-Object Spectrograph (GMOS) at the Gemini South telescope to acquire spectroscopic follow-up of 21 of these candidates. Through analysis of this spectroscopic follow-up data, we confirmed nine new lensing systems and rejected two candidates, but the analysis was inconclusive on 10 candidates. For each of the confirmed systems, we report measured spectroscopic properties, estimated source image-lens separation, and estimated enclosed masses. The sources that we targeted have an i-band surface brightness range of iSB ∼ 22−24 mag/arcsec2 and a spectroscopic redshift range of zspec ∼ 0.8 − 2.6. The lens galaxies have a photometric redshift range of zlens ∼ 0.3 − 0.7. The lensing systems range in source image-lens separation 2 − 9" and in enclosed mass 1012 − 1013M⊙.

KW - astro-ph.CO

KW - astro-ph.GA

KW - astro-ph.IM

KW - RCUK

KW - STFC

KW - gravitational lenses: general

KW - gravitational lensing individual

KW - gravitational lensing: strong

KW - gravitational lensing: clusters

KW - gravitational lensing: survey

KW - surveys: DES

U2 - 10.1093/mnras/staa200

DO - 10.1093/mnras/staa200

M3 - Article

SN - 0035-8711

VL - 494

SP - 1308

EP - 1322

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 1

ER -

Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data

Abstract

Keywords

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Data availability statement for 'Observation and confirmation of nine strong lensing systems in Dark Energy Survey Year 1 data'.

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