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The Astrophysical Journal
Article . 1905 . Peer-reviewed
Data sources: Crossref
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Proceedings of the Royal Society of London Series A Containing Papers of a Mathematical and Physical Character
Article . 1905 . Peer-reviewed
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On the spectrum of silicon; with a note on the spectrum of fluorine

Authors: Joseph Lunt;

On the spectrum of silicon; with a note on the spectrum of fluorine

Abstract

In a recent paper M. A. de Gramont questions the silicon origin of certain lines, viz.: λ 4089·1, λ 4096·9, and λ 4116·4, grouped together as Group IV by Sir Norman Lockyer who ascribes them to the element named. He says: “J’ajouterai que les lignes du groupe IV, qui indiqueraient, d’aprés Lockyer, une température excessive, ont toujours, sur mes clichés, accompagné les raies de l'air et ont disparu avec lui. EIIes coincident avec des lignes de l’oxygéne et de l’azote, et ces deux gaz ont été reconnus dans plusieurs étoiles d’Orion et dans β Crucis . Je crois done le groupe IV attribuable à l’air". Sir Norman Lockyer and Mr. Baxandall have replied by bringing forward photographic evidence in support of their conclusions. Whilst agreeing with the latter authors that the lines in question, with the exception of λ 4096·9, are really silicon lines, I consider that the evidence brought forward by them is in itself insufficient to establish their conclusions satis­factorily.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold