SIMBAD references

2003ApJ...598L..23S - Astrophys. J., 598, L23-L26 (2003/November-3)

Does tiny-scale atomic structure exist in the interstellar medium?

STANIMIROVIC S., WEISBERG J.M., HEDDEN A., DEVINE K.E. and GREEN J.T.

Abstract (from CDS):

We report on preliminary results from the recent multiepoch neutral hydrogen absorption measurements toward three pulsars, B0823+26, B1133+16, and B2016+28, using the Arecibo telescope. We do not find significant variations in optical depth profiles over periods of 0.3 and 9-10 yr or on spatial scales of 10-20 and 70-85 AU. The large number of nondetections of the tiny-scale atomic structure suggests that the AU-sized structure is not ubiquitous in the interstellar medium and could be quite a rare phenomenon.

Abstract Copyright:

Journal keyword(s): ISM: Clouds - ISM: Structure - Line: Profiles

Simbad objects: 6

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2020.02.18-07:31:01

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