Statements (67)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 5 billion years
1 billion years |
| gptkbp:apparent_magnitude |
5.5
5.25 |
| gptkbp:average_temperature |
approximately 5,800 K
about 7,500 K |
| gptkbp:b-side |
0.65
|
| gptkbp:constellation |
gptkb:Lyra
|
| gptkbp:contains |
multiple stars
|
| gptkbp:declination |
+34° 56' 36''
|
| gptkbp:distance |
approximately 50 light years
about 5.5 magnitudes |
| gptkbp:has_a_focus_on |
astrophysical research
|
| gptkbp:has_a_primary_component |
gptkb:78_Lyrae_A
|
| gptkbp:has_a_secondary_component |
gptkb:78_Lyrae_B
|
| gptkbp:has_luminosity |
about 1.5 times that of the Sun
about 20 times that of the Sun |
| gptkbp:has_mechanic |
-0.15 arcseconds/year
+0.12 arcseconds/year of 0.1 arcseconds/year |
| gptkbp:has_radius |
about 2.5 times that of the Sun
about 1.2 solar radii |
| gptkbp:has_spectral_type |
gptkb:A5_V
G5 V |
| gptkbp:hosts |
exoplanets
|
| https://www.w3.org/2000/01/rdf-schema#label |
78 Lyrae
|
| gptkbp:included |
various star catalogs
|
| gptkbp:is_a_member_of |
the Galactic disk
|
| gptkbp:is_a_reference_for |
celestial navigation
stellar evolution theories |
| gptkbp:is_a_source_of |
stellar wind
|
| gptkbp:is_a_subject_of |
stellar evolution studies
stellar astrophysics photometric studies |
| gptkbp:is_approximately |
50 light years away from Earth
|
| gptkbp:is_associated_with |
star formation regions
|
| gptkbp:is_known_for |
its binary nature
|
| gptkbp:is_located_in |
the constellation Lyra
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
|
| gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
the celestial sphere the Hipparcos catalog the local stellar population the solar neighborhood the astronomical community's interest the galactic structure |
| gptkbp:is_part_of_a_moving_group |
the Lyra moving group
|
| gptkbp:is_studied_in |
astrophysics
stellar dynamics |
| gptkbp:is_used_in |
stellar classification studies
|
| gptkbp:is_visible_from |
gptkb:true
|
| gptkbp:mass |
about 1.1 solar masses
|
| gptkbp:metallicity |
solar metallicity
|
| gptkbp:name |
78 Lyr
|
| gptkbp:notable_examples |
binary star systems.
|
| gptkbp:notable_nominees |
stellar parallax measurements
astrometric measurements |
| gptkbp:parallax |
0.065 arcseconds
|
| gptkbp:performance |
stellar models
|
| gptkbp:right_ascension |
18h 44m 24.0s
|
| gptkbp:scientific_classification |
a main-sequence star
|
| gptkbp:system |
gptkb:true
|
| gptkbp:targets |
spectroscopic studies
exoplanet searches |
| gptkbp:type |
gptkb:main-sequence_star
|
| gptkbp:u-b |
+0.12
|