WASP-52 b (Peg)

BASIC DATA FROM: Exoplanets Data Explorer

Discovery and References:

WASP-52b, WASP-58b, WASP-59b, and WASP-60b: Four new transiting close-in giant planets

(G. Hebrard, A. Collier Cameron, D. J. A. Brown, R. F. Diaz, F. Faedi, B. Smalley, D. R. Anderson, D. Armstrong, S. C. C. Barros, J. Bento, F. Bouchy, A. P. Doyle, B. Enoch, Y. Gomez Maqueo Chew, E. M. Hebrard, C. Hellier, M. Lendl, T. A. Lister, P. F. L. Maxted, J. McCormac, C. Moutou, D. Pollacco, D. Queloz, A. Santerne, I. Skillen, J. Southworth, J. Tregloan-Reed, A. H. M. J. Triaud, S. Udry, M. Vanhuysse, C. A. Watson, R. G. West, P. J. Wheatley)

... present the discovery of four new transiting hot jupiters, detected mainly from SuperWASP-North and SOPHIE observations. These new planets, WASP-52b, WASP-58b, WASP-59b, and WASP-60b, have orbital periods ranging from 1.7 to 7.9 days, masses between 0.46 and 0.94 M_Jup, and radii between 0.73 and 1.49 R_Jup. Their G1 to K5 dwarf host stars have V magnitudes in the range 11.7-13.0. The depths of the transits are between 0.6 and 2.7%, depending on the target. With their large radii, WASP-52b and 58b are new cases of low-density, inflated planets...

WASP-52b is a hot jupiter which is less than half the mass of Jupiter, but with a significantly larger radius. It is thus a new example of an inflated hot jupiter. Together with the small radius of its K2V host star, it makes the planetary transits particularly deep at 2.7 %.

Reference CCD frame with the callibration stars


Date: 2013-09-01

Submission to: ETD - Exoplanet Transit Database


Optic(s): RC 12" with Astro-Physics corrector @ f/5
Mount: ASA DDM85 Premium
Camera: ATIK 4000 - monochrome CCD – 2048 x 2048 px ; 16x16 mm; 7.4 µm x 7.4 µm
Filters: Astronomik G filter - very symilar to V (Jonson)
Dates/Times: 2013-09-01 from UTC 18:47:5 to UTC 21:26:35
Location: Remote controlled IRIDA Observatory, BG, longitude: E 24 44' 19", latitude: N 41 41' 51"
Exposure Details:

Tri-G filter: 90 frames 60 sec each, Bin 1

More details: Dark and flat frames reduction
Guiding: All subexposures are unguided

Differential Photometry



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