Statements (44)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:age |
approximately 5 billion years
nan |
gptkbp:apparent_magnitude |
5.8
5.57 |
gptkbp:average_temperature |
around 4,800 K
approximately 5,800 K |
gptkbp:constellation |
gptkb:Serpens
|
gptkbp:declination |
-10° 24' 36"
|
gptkbp:discovery_year |
1825
|
gptkbp:distance |
approximately 60 light years
approximately 200 light years |
gptkbp:exhibition |
the Henry Draper Catalogue
|
gptkbp:has_bayer_designation |
Bayer designation: 19 Serpentis
|
gptkbp:has_color |
0.6
+1.5 |
gptkbp:has_companion |
none known
|
gptkbp:has_henry_draper_designation |
gptkb:HD_145555
|
gptkbp:has_luminosity |
about 50 times that of the Sun
approximately 50 times that of the Sun approximately 1.5 solar luminosities |
gptkbp:has_mechanic |
-0.020 arcseconds/year
-0.045 arcseconds/year |
gptkbp:has_radius |
about 10 times that of the Sun
approximately 1.2 solar radii |
gptkbp:has_spectral_type |
gptkb:K3_III
gptkb:K0_III G5 V |
gptkbp:has_title |
gptkb:HIP_79480
|
https://www.w3.org/2000/01/rdf-schema#label |
19 Serpentis
|
gptkbp:is_approximately |
90 light years away
|
gptkbp:is_located_in |
constellation Serpens
|
gptkbp:is_visible_from |
visible to the naked eye
nan |
gptkbp:mass |
approximately 2.5 solar masses
nan approximately 1.1 solar masses |
gptkbp:metallicity |
solar metallicity
|
gptkbp:notable_galaxies |
nan
|
gptkbp:parallax |
0.054 arcseconds
|
gptkbp:right_ascension |
15h 12m 36s
|
gptkbp:rotation_period |
approximately 25 days
|
gptkbp:system |
nan
|
gptkbp:type |
gptkb:main-sequence_star
|