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Helmi stream

The Helmi Stream is a stellar stream of the Milky Way galaxy. It started as a dwarf galaxy, now absorbed by the Milky Way as a stream. It was discovered in 1999, and is formed of old stars deficient in heavy elements, and has a mass of 10 to 100 million solar masses. It was absorbed by the Milky Way some 6 to 9 billion years ago.

Art, Extragalactic planet & Ultra-metal-poor star

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Extragalactic planet

PlanetExtragalactic originHIP 13044
3 related topics

Ultra-metal-poor star

Population III starSolar masses
2 related topics

Overview

Stellar streamMilky WayDwarf galaxyAmina HelmiSubdwarf
9 related topics

Topics to explore

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Overview

Ultra-metal-poor star

Extragalactic planet

Advanced semantic analysis

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Map overview Semantic statistics

Helmi stream

Nodes18
Edges17
Triples10
Avg. degree1.89
Density0.111111
Components1

How this topic connects Entity context

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Helmi stream

Top relations

related to Ultra-metal-poor star · 6
Helmi stream → HE, Helmi, In, Milky Way, Population III, This
related to Extragalactic planet · 3
Helmi stream → HIP, However, The Helmi
is a · 1
Helmi stream → stellar stream of the Milky Way galaxy

Important terminology Word statistics

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Important terminology

stream helmi milky way galaxy discovered stellar dwarf star absorbed stars formed solar masses discovery radial velocity planet ultra-metal-poor extragalactic

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Helmi streamis astellar stream of the Milky Way galaxy0.90text
Helmi streamrelated to Extragalactic planetThe Helmi0.60section
Helmi streamrelated to Extragalactic planetHIP0.60section
Helmi streamrelated to Extragalactic planetHowever0.60section
Helmi streamrelated to Ultra-metal-poor starIn0.60section
Helmi streamrelated to Ultra-metal-poor starHelmi0.60section
Helmi streamrelated to Ultra-metal-poor starHE0.60section
Helmi streamrelated to Ultra-metal-poor starThis0.60section
Helmi streamrelated to Ultra-metal-poor starPopulation III0.60section
Helmi streamrelated to Ultra-metal-poor starMilky Way0.60section

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    Min side: 3
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