About: FL Lyrae

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FL Lyrae is the variable star designation for an eclipsing binary star system in the northern constellation of Lyra. The combined apparent magnitude of the pair is 9.36, which means they are too faint to be seen with the naked eye. Parallax measurements put the system at a distance of around 437 light years from the Sun. This star system was in the view field of the Kepler space telescope during 2009−2014, which allowed monitoring during that spacecraft's mission.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body star
rdfs:label	FL Lyrae (en)
rdfs:comment	FL Lyrae is the variable star designation for an eclipsing binary star system in the northern constellation of Lyra. The combined apparent magnitude of the pair is 9.36, which means they are too faint to be seen with the naked eye. Parallax measurements put the system at a distance of around 437 light years from the Sun. This star system was in the view field of the Kepler space telescope during 2009−2014, which allowed monitoring during that spacecraft's mission. (en)
foaf:depiction
dcterms:subject	Algol variables Durchmusterung objects F-type main-sequence stars G-type main-sequence stars Henry Draper Catalogue objects Hipparcos objects Lyra (constellation) Objects with variable star designations
Wikipage page ID	48534906 (xsd:integer)
Wikipage revision ID	1080483441 (xsd:integer)
Link from a Wikipage to another Wikipage	Algol variable Stellar classification Light curve Algol variables Durchmusterung objects F-type main-sequence stars G-type main-sequence stars Henry Draper Catalogue objects Hipparcos objects Lyra (constellation) Objects with variable star designations Constellation Orbital plane Apparent magnitude Light year Lyra Stellar parallax Solar radius Transiting Exoplanet Survey Satellite Line-of-sight propagation Earth (disambiguation) Solar luminosity Kepler (spacecraft) Sun Eclipsing binary Solar mass Variable star designation G-type main sequence star F-type main sequence star
sameAs	FL Lyrae FL Lyrae FL Lyrae
dbp:wikiPageUsesTemplate	dbt:Reflist dbt:Starbox_astrometry dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_character dbt:Starbox_detail dbt:Starbox_end dbt:Starbox_image dbt:Starbox_observe dbt:Starbox_reference dbt:± dbt:DEC dbt:Odlist dbt:RA dbt:Stars_of_Lyra
thumbnail	wiki-commons:Special:FilePath/FLLyrLightCurve.png?width=300
absmag v	3.840000 (xsd:double) 5.300000 (xsd:double)
age gyr	2.290000 (xsd:double)
appmag v	9.360000 (xsd:double)
b-v	+0.55 (en)
class	(en) G0V (en)
component	FL Lyr A (en) FL Lyr B (en)
constell	Lyra
epoch	J2000.0 (en)
gravity	4.310000 (xsd:double) 4.450000 (xsd:double)
luminosity	0.650000 (xsd:double) 2.170000 (xsd:double)
mass	0.958000 (xsd:double) 1.218000 (xsd:double)
metal fe	−0.34 (en)
p error	0.012200 (xsd:double)
parallax	7.457700 (xsd:double)
prop mo dec	+46.008 (en)
prop mo ra	−0.172 (en)
radial v	−39.20 (en)
radius	0.963000 (xsd:double) 1.283000 (xsd:double)
rotational velocity	29.200000 (xsd:double)
temperature	5239 (xsd:integer) 6363 (xsd:integer)
variable	Algol variable
has abstract	FL Lyrae is the variable star designation for an eclipsing binary star system in the northern constellation of Lyra. The combined apparent magnitude of the pair is 9.36, which means they are too faint to be seen with the naked eye. Parallax measurements put the system at a distance of around 437 light years from the Sun. This star system was in the view field of the Kepler space telescope during 2009−2014, which allowed monitoring during that spacecraft's mission. The variability of this system was discovered from photographic plates in 1935. It is a binary star system with an orbital plane that is nearly aligned with the line of sight to the Earth. Once every 2.1781542 day orbit, each of the closely orbiting stars eclipses its partner, causing a net magnitude drop to 9.4 during the primary eclipse and to magnitude 9.1 when the secondary component is eclipsed. The secondary member covers 51% of the larger star during the primary eclipse, while the primary covers 88% of the secondary. The measureable properties of an eclipsing binary can allow the physical parameters of the individual components to be worked out in some detail. The primary component has 122% of the Sun's mass, spans 128% of the radius of the Sun, and is emitting 217% of the Sun's luminosity. It is most likely an F-type main sequence star with a stellar classification of F8. The secondary is smaller, with 96% of the mass of the Sun, 96% of the Sun's radius, and radiates just 65% of the Sun's luminosity. This is a G-type main sequence star of class G8. Based upon light variations measured during eclipses by the Kepler spacecraft, the system may contain a third body with twice the mass of Jupiter and an orbital period of under seven years. As of 2015, this remains to be confirmed. (en)
gold:hypernym	Designation
prov:wasDerivedFrom	wikipedia-en:FL_Lyrae?oldid=1080483441&ns=0

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