WASP-2

<p>WASP-2 is a <a href="/facts/Binary_star/TYlDe1bD">binary star</a> system located about 496 <a href="/facts/Light-year/IGc5NdQb">light-years</a> away in the <a href="/facts/Delphinus/wzD80vMd">Delphinus</a> <a href="/facts/Constellation/nBQqgW8A">constellation</a>.
The primary is a <a href="/facts/Apparent_magnitude/7pCTF1Me">magnitude</a> 12 <a href="/facts/Orange_dwarf/loWHS8PD">orange dwarf</a> <a href="/facts/Star/PFbd6ICx">star</a>, orbited by a <a href="/facts/Red_dwarf/56CMQcF0">red dwarf</a> star on a wide orbit. The star system shows an infrared excess noise of unknown origin.
</p><p>The primary star hosts one known <a href="/facts/Exoplanet/zjfmqfUf">exoplanet</a>, <a href="/facts/WASP-2b/h7AClt9K">WASP-2b</a>. Since the planet <a href="/facts/Astronomical_transit/4s6Mll1a">transits</a> the star, the star is classified as a <a href="/facts/Planetary_transit_variable/Ac8mp2gy">planetary transit variable</a> and has received the <a href="/facts/Variable_star_designation/oAtUSb50">variable star designation</a> V357 Delphini.
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WASP-2 open-in-new

WASP-2