T Persei

GPTKB entity

Statements (24)
Predicate Object
gptkbp:instance_of gptkb:star
gptkbp:age estimated to be several million years old
gptkbp:apparent_magnitude 10.5 to 12.5
gptkbp:average_temperature around 3,200 K
gptkbp:constellation gptkb:Perseus
gptkbp:contains none known
gptkbp:coordinates l = 130.5°, b = +25.0°
gptkbp:declination +41° 18' 00"
gptkbp:distance approximately 1,000 light years
gptkbp:formulation gptkb:Mira-type_variable_star
gptkbp:has_luminosity about 1,000 times that of the Sun
gptkbp:has_spectral_type M5 III
gptkbp:historical_period about 250 days
https://www.w3.org/2000/01/rdf-schema#label T Persei
gptkbp:lighting varies between magnitudes 10.5 and 12.5
gptkbp:location northern hemisphere
gptkbp:mass approximately 2.5 solar masses
gptkbp:notable_feature large amplitude variability
gptkbp:research monitored since the 1950s
gptkbp:right_ascension 03h 24m 30s
gptkbp:type gptkb:star
gptkbp:year_created 1950
gptkbp:bfsParent gptkb:Constellation_Perseus
gptkbp:bfsLayer 5