Statements (69)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:spiral_galaxy
|
| gptkbp:age |
approximately 13 billion years
|
| gptkbp:apparent_magnitude |
-12.0
showing old stars |
| gptkbp:contains |
old stars
|
| gptkbp:contains_star |
low
yes very low |
| gptkbp:coordinates |
RA 23h 12m 0s, Dec +14° 30′ 0″
|
| gptkbp:diameter |
about 1,000 light-years
|
| gptkbp:discovered_by |
gptkb:Robert_G._Harrington
|
| gptkbp:discovery_year |
gptkb:1998
|
| gptkbp:distance_from_earth |
approximately 0.84 million light-years
|
| gptkbp:first_noticed |
gptkb:Hubble_Space_Telescope
|
| gptkbp:has_color |
B-V = 0.9
|
| gptkbp:has_no_significant_gas |
gptkb:true
|
| gptkbp:has_orbital_parameters |
not well defined
|
| gptkbp:has_supernova |
yes
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pegasus Dwarf Galaxy
|
| gptkbp:is_associated_with |
gptkb:Andromeda_Galaxy
|
| gptkbp:is_considered |
a faint galaxy
a candidate for dark matter studies a satellite galaxy of Andromeda |
| gptkbp:is_known_for |
its low brightness
its low luminosity its ancient stellar population |
| gptkbp:is_located_at |
RA 23h 12m 0s, Dec +14° 30′ 0″
coordinates 23h 12m 0s, +14° 30′ 0″ |
| gptkbp:is_located_near |
the Andromeda constellation
the Pegasus constellation |
| gptkbp:is_notable_for |
its faintness
its low star density its lack of star formation |
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
visible light various telescopes infrared wavelengths ground-based telescopes |
| gptkbp:is_part_of |
gptkb:Local_Group
the Local Group of galaxies the Local Volume M31 group the Andromeda galaxy group the Andromeda II subgroup the M31 group the M31 satellite system the Virgo III group |
| gptkbp:is_studied_for |
its chemical composition
galaxy formation theories its stellar dynamics |
| gptkbp:is_studied_in |
astrophysics
galactic archaeology |
| gptkbp:is_visible_from |
yes
optical wavelengths with telescopes |
| gptkbp:lighting |
very low surface brightness
|
| gptkbp:located_in |
gptkb:Pegasus_constellation
|
| gptkbp:mass |
approximately 10 million solar masses
mostly old stars about 10 million solar masses |
| gptkbp:metallicity |
low metallicity
very low metallicity |
| gptkbp:part_of |
gptkb:Local_Group
|
| gptkbp:scientific_classification |
a spheroidal dwarf galaxy
|
| gptkbp:speed |
-50 km/s
|
| gptkbp:type |
spheroidal galaxy
|
| gptkbp:universe |
yes
|
| gptkbp:bfsParent |
gptkb:Pegasus_Galaxy
|
| gptkbp:bfsLayer |
5
|