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Table 1.

Instruments used in this study.

Observatory Instrument Filters Platescale Field of view Epoch Min./max. Ref.
(″ pixel−1)
CTIO (Blanco) DECam g, r, i, Y 0.26 1.1° radius 2012–2017 (1)
CFHT MegaCam g, r, i, z 0.18 1 ° ×1° 2008 (2)
INT WFC u, v, b, β, y (Strömgren) 0.33 34′×34′ 2015 (3)
UKIRT WFCAM J, Ks 0.4 40′×40′ (a) 2011 (4)
LCO Swope Direct CCD i 0.43 15′×14′ 2013 (5)
VST OmegaCam r, i, z 0.21 1 ° ×1° 2013–2016 (6)
Palomar 48″ PTF g, r 1.0 (b) 2010–2012 (7)
VISTA VIRCAM J, Ks 0.34 (a) 2013–2014 (8)

Notes.

(a)

Large gaps between detectors, partial coverage of the focal plane.

(b)

One of the 12 detectors is dead.

References. (1) Flaugher et al. (2010), (2) Boulade et al. (2003), (3) Ives (1998), (4) Casali et al. (2001), (5) Rheault et al. (2014), (6) Kuijken (2011), (7) Rahmer et al. (2008), (8) Emerson et al. (2006).

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