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The absence of flares in λ3835 and the heating of the chromosphere

Zirin, Harold (1972) The absence of flares in λ3835 and the heating of the chromosphere. Solar Physics, 26 (2). pp. 393-396. ISSN 0038-0938. doi:10.1007/bf00165281.

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Simultaneous observations of flares in Hα and a band 15 Å wide centered on 3835 Å show no change whatever in 3835 Å at the time of several flares, although the chromospheric network is easily visible. Flares are therefore transparent in this wavelength. Since the flare represents a test heat input from above, and no brightening of the network appears, we conclude it is impossible for the corona to produce the bright network by downward convection.

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Additional Information:© 1972 Kluwer Academic Publishers. Provided by the NASA Astrophysics Data System. Received 05 April 1972; Issue Date October 1972. I am indebted to Tom Pope for getting the observations and Dr Gary Chapman for several conversations. This work was supported by NASA under grant NGR 05 002 034 and NSF under grant Ga. 24015.
Funding AgencyGrant Number
NASANGR 05 002 034
NSFGA 24015
Subject Keywords:Convection; Flare; Heat Input; Simultaneous Observation; Test Heat
Issue or Number:2
Record Number:CaltechAUTHORS:20200630-093731522
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Official Citation:Zirin, H. The absence of flares in λ3835 and the heating of the chromosphere. Sol Phys 26, 393–396 (1972).
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:104159
Deposited By: Tony Diaz
Deposited On:30 Jun 2020 17:51
Last Modified:16 Nov 2021 18:29

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