Serendipitous discovery of a brightening quasar at redshift z = 3.68

Fernando J. Selman; Fuyan Bian; Israel Blanchard; Stephane Brillant; Lodovico Coccato; Stefano Cristiani; Pascale Hibon; Darshan Kakkad; Andrea Mehner; Sabine Moehler; Diego Parraguez; Claudia Reyes; Thomas Rivinius; Sergio Vera; Frédéric P.A. Vogt; Peter M. Weilbacher; Bin Yang

doi:10.1002/asna.202013637

Serendipitous discovery of a brightening quasar at redshift z = 3.68

Fernando J. Selman^*, Fuyan Bian, Israel Blanchard, Stephane Brillant, Lodovico Coccato, Stefano Cristiani, Pascale Hibon, Darshan Kakkad, Andrea Mehner, Sabine Moehler, Diego Parraguez, Claudia Reyes, Thomas Rivinius, Sergio Vera, Frédéric P.A. Vogt, Peter M. Weilbacher, Bin Yang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We report the serendipitous discovery of a redshift 3.68 quasar while validating the star WD 0308-565 as a spectrophotometric standard star for the Multi-Unit Spectroscopic Explorer (MUSE) calibration plan. Based on the MUSE observations, the luminosity of the quasar at 1350A (L1350) is 4.71 × 10⁴⁵ erg s⁻¹. The black hole mass is 2.5 × 10⁹ M_ʘ, and bolometric luminosity is 1.57 × 10⁴⁷ erg s⁻¹. Present in the field of view of a star in the calibration plan of the instrument makes this a very valuable quasar as it will receive many repeated visits in the coming years making it an ideal candidate for reverberation mapping studies.

Original language	English
Pages (from-to)	26-31
Number of pages	6
Journal	Astronomische Nachrichten
Volume	341
Issue number	1
DOIs	https://doi.org/10.1002/asna.202013637
Publication status	Published - 1 Jan 2020
Externally published	Yes

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Selman, F. J., Bian, F., Blanchard, I., Brillant, S., Coccato, L., Cristiani, S., Hibon, P., Kakkad, D., Mehner, A., Moehler, S., Parraguez, D., Reyes, C., Rivinius, T., Vera, S., Vogt, F. P. A., Weilbacher, P. M., & Yang, B. (2020). Serendipitous discovery of a brightening quasar at redshift z = 3.68. Astronomische Nachrichten, 341(1), 26-31. https://doi.org/10.1002/asna.202013637

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title = "Serendipitous discovery of a brightening quasar at redshift z = 3.68",

abstract = "We report the serendipitous discovery of a redshift 3.68 quasar while validating the star WD 0308-565 as a spectrophotometric standard star for the Multi-Unit Spectroscopic Explorer (MUSE) calibration plan. Based on the MUSE observations, the luminosity of the quasar at 1350A (L1350) is 4.71 × 1045 erg s−1. The black hole mass is 2.5 × 109 Mʘ, and bolometric luminosity is 1.57 × 1047 erg s−1. Present in the field of view of a star in the calibration plan of the instrument makes this a very valuable quasar as it will receive many repeated visits in the coming years making it an ideal candidate for reverberation mapping studies.",

keywords = "quasars: Individual: (J030946.62-562411.2), techniques: Spectroscopy",

author = "Selman, {Fernando J.} and Fuyan Bian and Israel Blanchard and Stephane Brillant and Lodovico Coccato and Stefano Cristiani and Pascale Hibon and Darshan Kakkad and Andrea Mehner and Sabine Moehler and Diego Parraguez and Claudia Reyes and Thomas Rivinius and Sergio Vera and Vogt, {Fr{\'e}d{\'e}ric P.A.} and Weilbacher, {Peter M.} and Bin Yang",

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doi = "10.1002/asna.202013637",

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Selman, FJ, Bian, F, Blanchard, I, Brillant, S, Coccato, L, Cristiani, S, Hibon, P, Kakkad, D, Mehner, A, Moehler, S, Parraguez, D, Reyes, C, Rivinius, T, Vera, S, Vogt, FPA, Weilbacher, PM & Yang, B 2020, 'Serendipitous discovery of a brightening quasar at redshift z = 3.68', Astronomische Nachrichten, vol. 341, no. 1, pp. 26-31. https://doi.org/10.1002/asna.202013637

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T1 - Serendipitous discovery of a brightening quasar at redshift z = 3.68

AU - Selman, Fernando J.

AU - Bian, Fuyan

AU - Blanchard, Israel

AU - Brillant, Stephane

AU - Coccato, Lodovico

AU - Cristiani, Stefano

AU - Hibon, Pascale

AU - Kakkad, Darshan

AU - Mehner, Andrea

AU - Moehler, Sabine

AU - Parraguez, Diego

AU - Reyes, Claudia

AU - Rivinius, Thomas

AU - Vera, Sergio

AU - Vogt, Frédéric P.A.

AU - Weilbacher, Peter M.

AU - Yang, Bin

PY - 2020/1/1

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AB - We report the serendipitous discovery of a redshift 3.68 quasar while validating the star WD 0308-565 as a spectrophotometric standard star for the Multi-Unit Spectroscopic Explorer (MUSE) calibration plan. Based on the MUSE observations, the luminosity of the quasar at 1350A (L1350) is 4.71 × 1045 erg s−1. The black hole mass is 2.5 × 109 Mʘ, and bolometric luminosity is 1.57 × 1047 erg s−1. Present in the field of view of a star in the calibration plan of the instrument makes this a very valuable quasar as it will receive many repeated visits in the coming years making it an ideal candidate for reverberation mapping studies.

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KW - techniques: Spectroscopy

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EP - 31

JO - Astronomische Nachrichten

JF - Astronomische Nachrichten

IS - 1

ER -

Serendipitous discovery of a brightening quasar at redshift z = 3.68

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