Gravitationally Lensed Quasar Database

SDSSJ1442+4055

Pan-STARRS

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HST

F300X

Gaia DR2

Image	G	BP	RP	BP-RP	parallax (mas)	pmra (mas)	pmdec (mas)	PMSIG	AEN	AEN sig	Source ID
1	17.960	18.104	17.174	0.930	-0.157 ±0.114	0.079 ±0.146	0.215 ±0.177	1.329	0.293	1.043	1489600073930470912
2	18.765	18.873	17.845	1.028	0.417 ±0.200	-0.228 ±0.254	0.369 ±0.308	1.497	0.575	1.654	1489599970852674176

Gaia DR1

Image	G	AEN	AEN sig	Source ID
1	17.810	0.455	1.929	1489600073930470912
2	18.634	1.123	4.033	1489599970852674176

Name	RA	DEC	b	W1-W2	z qso	z lens	sep.	N	Gaia density	GDR1 count	GDR2 count	NED	SDSS DR14	PanSTARRS	DECaLS	Gaia cutout	WISE model	WISE	FIRST	NVSS	SUMSS	Gaia	CFHT cutout	CFHT search	Discovery
SDSSJ1442+4055	220.7279	40.92656	63.	1.006	2.575	0.284	2.13	2	4950	2	2	NED Link	SDSS DR14 Link	PanSTARRS Link	DECaLS	GDR2 cutout	WISE model	WISE	FIRST			Gaia	CFHT cutout	CFHT search	More et al./Sergeyev et al. 2016

Relevant Publications

Feb 2016: Discovery of the optically bright, wide separation double quasar SDSS J1442+4055, Sergeyev et al. 2016

Feb 2016: The SDSS-III BOSS quasar lens survey: discovery of 13 gravitationally lensed quasars, More et al. 2016

Aug 2018: New database for a sample of optically bright lensed quasars in the northern hemisphere, Gil-Merino et al. 2018

Nov 2018: Dissecting cold gas in a high-redshift galaxy using a lensed background quasar, Krogager et al. 2018

Nov 2018: Spectroscopic follow-up of double quasar candidates, Shalyapin et al. 2018

Mar 2019: Gravitationally Lensed Quasar SDSS J1442+4055: Redshifts of Lensing Galaxies, Time Delay, Microlensing Variability, and Intervening Metal System at z ̃ 2, Shalyapin & Goicoechea 2019

Jul 2019: A search for gravitationally lensed quasars and quasar pairs in Pan-STARRS1: spectroscopy and sources of shear in the diamond 2M1134-2103, Rusu et al. 2019

Dec 2019: Probing Structure in Cold Gas at z ≲ 1 with Gravitationally Lensed Quasar Sight Lines, Kulkarni et al. 2019