A highly magnified star at redshift 6.2

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

Standard

A highly magnified star at redshift 6.2. / Welch, Brian; Coe, Dan; Diego, Jose M.; Zitrin, Adi; Zackrisson, Erik; Dimauro, Paola; Jimenez-Teja, Yolanda; Kelly, Patrick; Mahler, Guillaume; Oguri, Masamune; Timmes, F. X.; Windhorst, Rogier; Florian, Michael; de Mink, S. E.; Avila, Roberto J.; Anderson, Jay; Bradley, Larry; Sharon, Keren; Vikaeus, Anton; McCandliss, Stephan; Bradac, Marusa; Rigby, Jane; Frye, Brenda; Toft, Sune; Strait, Victoria; Trenti, Michele; Sharma, Soniya; Andrade-Santos, Felipe; Broadhurst, Tom.

In: Nature, Vol. 603, No. 7903, 2022, p. 815-818.

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

Harvard

Welch, B, Coe, D, Diego, JM, Zitrin, A, Zackrisson, E, Dimauro, P, Jimenez-Teja, Y, Kelly, P, Mahler, G, Oguri, M, Timmes, FX, Windhorst, R, Florian, M, de Mink, SE, Avila, RJ, Anderson, J, Bradley, L, Sharon, K, Vikaeus, A, McCandliss, S, Bradac, M, Rigby, J, Frye, B, Toft, S, Strait, V, Trenti, M, Sharma, S, Andrade-Santos, F & Broadhurst, T 2022, 'A highly magnified star at redshift 6.2', Nature, vol. 603, no. 7903, pp. 815-818. https://doi.org/10.1038/s41586-022-04449-y

APA

Welch, B., Coe, D., Diego, J. M., Zitrin, A., Zackrisson, E., Dimauro, P., Jimenez-Teja, Y., Kelly, P., Mahler, G., Oguri, M., Timmes, F. X., Windhorst, R., Florian, M., de Mink, S. E., Avila, R. J., Anderson, J., Bradley, L., Sharon, K., Vikaeus, A., ... Broadhurst, T. (2022). A highly magnified star at redshift 6.2. Nature, 603(7903), 815-818. https://doi.org/10.1038/s41586-022-04449-y

Vancouver

Welch B, Coe D, Diego JM, Zitrin A, Zackrisson E, Dimauro P et al. A highly magnified star at redshift 6.2. Nature. 2022;603(7903):815-818. https://doi.org/10.1038/s41586-022-04449-y

Author

Welch, Brian ; Coe, Dan ; Diego, Jose M. ; Zitrin, Adi ; Zackrisson, Erik ; Dimauro, Paola ; Jimenez-Teja, Yolanda ; Kelly, Patrick ; Mahler, Guillaume ; Oguri, Masamune ; Timmes, F. X. ; Windhorst, Rogier ; Florian, Michael ; de Mink, S. E. ; Avila, Roberto J. ; Anderson, Jay ; Bradley, Larry ; Sharon, Keren ; Vikaeus, Anton ; McCandliss, Stephan ; Bradac, Marusa ; Rigby, Jane ; Frye, Brenda ; Toft, Sune ; Strait, Victoria ; Trenti, Michele ; Sharma, Soniya ; Andrade-Santos, Felipe ; Broadhurst, Tom. / A highly magnified star at redshift 6.2. In: Nature. 2022 ; Vol. 603, No. 7903. pp. 815-818.

Bibtex

@article{5f55d7e6868e4346ab4d234e74d328c3,
title = "A highly magnified star at redshift 6.2",
abstract = "Galaxy clusters magnify background objects through strong gravitational lensing. Typical magnifications for lensed galaxies are factors of a few but can also be as high as tens or hundreds, stretching galaxies into giant arcs(1,2). Individual stars can attain even higher magnifications given fortuitous alignment with the lensing cluster. Recently, several individual stars at redshifts between approximately 1 and 1.5 have been discovered, magnified by factors of thousands, temporarily boosted by microlensing(3-6). Here we report observations of a more distant and persistent magnified star at a redshift of 6.2 +/- 0.1, 900 million years after the Big Bang. This star is magnified by a factor of thousands by the foreground galaxy cluster lens WHL0137-08 (redshift 0.566), as estimated by four independent lens models. Unlike previous lensed stars, the magnification and observed brightness (AB magnitude, 27.2) have remained roughly constant over 3.5 years of imaging and follow-up. The delensed absolute UV magnitude, -10 +/- 2, is consistent with a star of mass greater than 50 times the mass of the Sun. Confirmation and spectral classification are forthcoming from approved observations with the James Webb Space Telescope.",
keywords = "MASS-DISTRIBUTION, GALAXIES, STELLAR, RELICS, EVOLUTION, PHOTOMETRY, SPECTRUM",
author = "Brian Welch and Dan Coe and Diego, {Jose M.} and Adi Zitrin and Erik Zackrisson and Paola Dimauro and Yolanda Jimenez-Teja and Patrick Kelly and Guillaume Mahler and Masamune Oguri and Timmes, {F. X.} and Rogier Windhorst and Michael Florian and {de Mink}, {S. E.} and Avila, {Roberto J.} and Jay Anderson and Larry Bradley and Keren Sharon and Anton Vikaeus and Stephan McCandliss and Marusa Bradac and Jane Rigby and Brenda Frye and Sune Toft and Victoria Strait and Michele Trenti and Soniya Sharma and Felipe Andrade-Santos and Tom Broadhurst",
year = "2022",
doi = "10.1038/s41586-022-04449-y",
language = "English",
volume = "603",
pages = "815--818",
journal = "Nature",
issn = "0028-0836",
publisher = "nature publishing group",
number = "7903",

}

RIS

TY - JOUR

T1 - A highly magnified star at redshift 6.2

AU - Welch, Brian

AU - Coe, Dan

AU - Diego, Jose M.

AU - Zitrin, Adi

AU - Zackrisson, Erik

AU - Dimauro, Paola

AU - Jimenez-Teja, Yolanda

AU - Kelly, Patrick

AU - Mahler, Guillaume

AU - Oguri, Masamune

AU - Timmes, F. X.

AU - Windhorst, Rogier

AU - Florian, Michael

AU - de Mink, S. E.

AU - Avila, Roberto J.

AU - Anderson, Jay

AU - Bradley, Larry

AU - Sharon, Keren

AU - Vikaeus, Anton

AU - McCandliss, Stephan

AU - Bradac, Marusa

AU - Rigby, Jane

AU - Frye, Brenda

AU - Toft, Sune

AU - Strait, Victoria

AU - Trenti, Michele

AU - Sharma, Soniya

AU - Andrade-Santos, Felipe

AU - Broadhurst, Tom

PY - 2022

Y1 - 2022

N2 - Galaxy clusters magnify background objects through strong gravitational lensing. Typical magnifications for lensed galaxies are factors of a few but can also be as high as tens or hundreds, stretching galaxies into giant arcs(1,2). Individual stars can attain even higher magnifications given fortuitous alignment with the lensing cluster. Recently, several individual stars at redshifts between approximately 1 and 1.5 have been discovered, magnified by factors of thousands, temporarily boosted by microlensing(3-6). Here we report observations of a more distant and persistent magnified star at a redshift of 6.2 +/- 0.1, 900 million years after the Big Bang. This star is magnified by a factor of thousands by the foreground galaxy cluster lens WHL0137-08 (redshift 0.566), as estimated by four independent lens models. Unlike previous lensed stars, the magnification and observed brightness (AB magnitude, 27.2) have remained roughly constant over 3.5 years of imaging and follow-up. The delensed absolute UV magnitude, -10 +/- 2, is consistent with a star of mass greater than 50 times the mass of the Sun. Confirmation and spectral classification are forthcoming from approved observations with the James Webb Space Telescope.

AB - Galaxy clusters magnify background objects through strong gravitational lensing. Typical magnifications for lensed galaxies are factors of a few but can also be as high as tens or hundreds, stretching galaxies into giant arcs(1,2). Individual stars can attain even higher magnifications given fortuitous alignment with the lensing cluster. Recently, several individual stars at redshifts between approximately 1 and 1.5 have been discovered, magnified by factors of thousands, temporarily boosted by microlensing(3-6). Here we report observations of a more distant and persistent magnified star at a redshift of 6.2 +/- 0.1, 900 million years after the Big Bang. This star is magnified by a factor of thousands by the foreground galaxy cluster lens WHL0137-08 (redshift 0.566), as estimated by four independent lens models. Unlike previous lensed stars, the magnification and observed brightness (AB magnitude, 27.2) have remained roughly constant over 3.5 years of imaging and follow-up. The delensed absolute UV magnitude, -10 +/- 2, is consistent with a star of mass greater than 50 times the mass of the Sun. Confirmation and spectral classification are forthcoming from approved observations with the James Webb Space Telescope.

KW - MASS-DISTRIBUTION

KW - GALAXIES

KW - STELLAR

KW - RELICS

KW - EVOLUTION

KW - PHOTOMETRY

KW - SPECTRUM

U2 - 10.1038/s41586-022-04449-y

DO - 10.1038/s41586-022-04449-y

M3 - Journal article

C2 - 35354998

VL - 603

SP - 815

EP - 818

JO - Nature

JF - Nature

SN - 0028-0836

IS - 7903

ER -

ID: 303675625