A Be star that turned bright and blue during a major outburst

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Volume 694 (February 2025)

A&A, 694 (2025) A131

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Table 1

Summary of all observations considered in this paper.

Date/Epoch	BJD-2 454 833 (days)	Instrument	Bandλ coverage (nm)	Central λ (nm)	References
2009-05-02 – 2013-05-11	121–1591	Kepler	Kepler	632	Thompson et al. (2016)
2014-02-05 – 2021-02-05	1861–4419	ASAS-SN	g	477	Shappee et al. (2014)
2019-07-18 – 2019-09-10	3850–3904	TESS	TESS	787	Ricker et al. (2015)
2021-06-24 – 2021-07-23	4557–4586	TESS	TESS	787	Ricker et al. (2015)
2022-07-09 – 2022-09-01	4937–4991	TESS	TESS	787	Ricker et al. (2015)
2024-01-03 – 2024-02-26	5480–5534	TESS	TESS	787	Ricker et al. (2015)
2024-07-15 – 2024-09-05	5674–5728	TESS	TESS	787	Ricker et al. (2015)
2010-07-11	555	GALEX	NUV	230	This work
2011-09-10	982	GALEX	NUV	230	This work
2012-07-10	1286	INT	U	363	Greiss et al. (2012)
2012-07-10	1286	INT	g	478	Greiss et al. (2012)
2012-07-10	1286	INT	r	615	Greiss et al. (2012)
2012-07-10	1286	INT	Hα	657	Greiss et al. (2012)
2012-07-10	1286	INT	i	766	Greiss et al. (2012)
2015-12-15	2539	Xinglong	g	472	This work
2015-12-15	2539	Xinglong	r	619	This work
2015-12-15	2539	Xinglong	i	750	This work
2015.5	2372	Gaia DR2	G	673	Gaia Collaboration (2019)
2013-05-22	1602	LAMOST	369–910	640	This work
2013-09-14	1717	LAMOST	369–910	640	Frasca et al. (2016) & this work
2014-09-13	2081	LAMOST	369–910	640	Frasca et al. (2016) & this work
2015-10-01	2464	LAMOST	369–910	640	This work
2017-05-16	3057	LAMOST	369–910	640	This work
2017-06-14	3086	LAMOST	369–910	640	This work
2014-05-09	1954	KPNO	395–471	433	Hanes et al. (2019)

Notes. From left to right, each column represents the civil dates, the BJD (defined as the Julian date [JD] minus the first Kepler observing date [JD 2 454 833]), the facility used, the passband name or the wavelength coverage, the central wavelength, and references, respectively.

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