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http://nopr.niscpr.res.in/handle/123456789/37833| Title: | Changes in 164 kHz Signal Field Strengths due to Stellar X-Ray Effects on D-Region Nighttime Ionization |
| Authors: | Ghosh, B. B. Malhotra, V. J. |
| Issue Date: | Sep-1974 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Results of analysis showing some effects on the field strengths of 164 kHz signal from Radio Tashkent (41° 25'N, 69° 12'E) recorded at Delhi (28° 35'N, 77° 05'E) due to meridian transits of a few stellar X-ray bodies at the midpoint (35° 04'N, 73° 24'E) of Tashkent-Delhi propagation path, have been reported. While the effects due to SCO-XR-1 and TAU-XR-1 show rather significant results in respect of their 'ion production rates' (cm-3 sec-1), those due to other stellar X-ray sources, Gx, 333 + 2.5 and CYG-XR-1 are small and rather unaccountable. For each star, records for a period of two months, during which respective meridian transits take place between 1900 and 2300 hrs 1ST (UT + 5 hrs), have been analyzed. |
| Page(s): | 278-281 |
| ISSN: | 0975-105X (Online); 0367-8393 (Print) |
| Appears in Collections: | IJRSP Vol.03(3) [September 1974] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJRSP 3(3) 278-281.pdf | 942.8 kB | Adobe PDF | View/Open |
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