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HAT-P-40

HAT-P-40 Facts

Location of HAT-P-40

The location of the star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For HAT-P-40, the location is 22h 22m 03.00 and 45° 27` 27.00 .

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Additional HAT-P-40 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHAT-P-40
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
ConstellationLacerta
Age2.70 Billion Years Old
Metalicity0.1000
Visual / Apparent Magnitude11.70
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)22h 22m 03.00
Declination (Dec.)45° 27` 27.00
Distance from Earth2.00 Parallax (milliarcseconds)
 1634.08 Light Years
 501.00 Parsecs
 103,337,947.86 Astronomical Units

Companions (Multi-Star and Exoplanets) Facts


Exoplanet Count1

Estimated Calculated Facts


Radius (x the Sun)2.21

Sources and Links


Sourcehttp://www.exoplanets.eu

List of Extrasolar Planets orbiting HAT-P-40


NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastronInclination
HAT-P-40 bConfirmed0.0384.45720120.060888.300

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