main sequence


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main sequence

n.
A major grouping of stars that forms a relatively narrow band from the upper left to the lower right when plotted according to luminosity and surface temperature on the Hertzsprung-Russell diagram.

main sequence

n
(Astronomy) astronomy
a. a diagonal band on the Hertzsprung Russell diagram containing about 90% of all known stars; stars evolve onto and then off the band during their lifetime
b. (as modifier): a main-sequence star.
Translations
séquence principale
References in periodicals archive ?
MAIN Sequence is likely to take his chance in the Ladbrokes St Leger after pleasing connections in his final serious workout on Saturday.
Ladbrokes: 1-3 Camelot, 8 Great Heavens, 10 Shantaram, Thought Worthy, 12 Main Sequence, Michaelangelo, 16 bar.
And Tregoning is delighted with the preparations of the three-year-old, who finished third behind another possible Epsom rival Main Sequence in the Lingfield Derby Trial last time.
Main Sequence is set to be David Lanigan's first Investec Derby runner after maintaining an unbeaten record of his own in the Betfred Derby Trial.
WHILE Epsom trials on an allweather track may not be ideal, Vow and Main Sequence made sure the Lingfield contests still carried some weight in the ante-post markets.
So, in that case, what is correct and where does a star begin its life on the so-called Main Sequence (MS)?
It is much cooler and redder than any star lying along the main sequence of stellar evolution, but more luminous than low-mass red stars.
The rags-to-riches hero, who won the Kentucky Derby and Preakness Stakes before being beaten in the Belmont, ran out a clear winner in the ballot for North America racing's most prestigious accolade, gaining 143 votes compared to 53 for turf star Main Sequence and 36 for Bayern.
After taking on the best of his generation for most of the summer, MAIN SEQUENCE is expected to benefit from a drop in class to lift the Listed Buckhounds Stakes (2.
Encke was only beaten by a nose by Sir Henry Cecil's Noble Mission in the former race at Goodwood in July before finishing a gutsy third behind Thought Worthy (John Gosden) and Main Sequence (David Lanigan) in the Voltigeur at York last month.
CONNECTIONS of Main Sequence will wait until next week before deciding whether to aim the Investec Derby runner-up at the Ladbrokes St Leger.
David Lanigan deserves a good prize with MAIN SEQUENCE (3.