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Mesjė 46

M46 spiečius

Mesjė 46 (M46, NGC 2437) – padrikasis spiečius, esantis Laivagalio žvaigždyne. Nuotolis iki jo yra 5400 šviesmečių. Regimasis ryškis – 6,0.[1]

Mesjė 46 skersmuo siekia ~30 šviesmečių. Manoma, kad šiame spiečiuje iš viso yra maždaug 500 žvaigždžių, apie 150 iš jų ryškis yra 10–13. Ryškiausios spiečiaus žvaigždės priklauso A0 spektrinei klasei.[1]

Spiečių atrado Šarlis Mesjė 1771 m. (į savo katalogą įtraukė tų pačių metų vasario 19 d.).[1]

  1. 1,0 1,1 1,2 Messier 46 Archyvuota kopija 2021-04-26 iš Wayback Machine projekto.. Messier SEDS. Nuoroda tikrinta 2021-04-27.
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Mesjė 46
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