Diagnostics of magnetosphere-ionosphere coupling over Indian Antarctic station Maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 March 1999
A splendid display of “aurora australis” was observed over the Indian Antarctic station Maitri (geomag. lat. 62°.8 S, long. 52°.8 E; L = 4.8) on the night of 4–5 March 1999. The changes recorded by a fluxgate magnetometer, and a 30 MHz riometer operating at Maitri are interpreted in terms of current...
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2002
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ftindinstgeomagn:oai:localhost:123456789/267 2023-05-15T14:04:08+02:00 Diagnostics of magnetosphere-ionosphere coupling over Indian Antarctic station Maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 March 1999 Rajaram, G. Arun, T. Dhar, Ajay 2002 http://14.139.123.141:8080/jspui/handle/123456789/267 en eng Indian Antarctic station Maitri Magnetosphere Riometer observations Magnetosphere-ionosphere coupling Aurora australis Article 2002 ftindinstgeomagn 2019-11-26T08:39:15Z A splendid display of “aurora australis” was observed over the Indian Antarctic station Maitri (geomag. lat. 62°.8 S, long. 52°.8 E; L = 4.8) on the night of 4–5 March 1999. The changes recorded by a fluxgate magnetometer, and a 30 MHz riometer operating at Maitri are interpreted in terms of currently - understood auroral physics. Interplanetary magnetic field and plasma parameters recorded by the WIND satellite indicate very high solar wind velocities (500–600 km/s), and prolonged southward Bz of average value (∼ 5 nT), during the auroral event. Ion density is however an average 3–4/cm3, and Ion pressure only 2–3 nano Pascals during the event. Article in Journal/Newspaper Antarc* Antarctic aurora australis Indian Institute of Geomagnetism (IIG): Repository Antarctic Indian Maitri ENVELOPE(11.733,11.733,-70.764,-70.764) |
institution |
Open Polar |
collection |
Indian Institute of Geomagnetism (IIG): Repository |
op_collection_id |
ftindinstgeomagn |
language |
English |
topic |
Indian Antarctic station Maitri Magnetosphere Riometer observations Magnetosphere-ionosphere coupling Aurora australis |
spellingShingle |
Indian Antarctic station Maitri Magnetosphere Riometer observations Magnetosphere-ionosphere coupling Aurora australis Rajaram, G. Arun, T. Dhar, Ajay Diagnostics of magnetosphere-ionosphere coupling over Indian Antarctic station Maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 March 1999 |
topic_facet |
Indian Antarctic station Maitri Magnetosphere Riometer observations Magnetosphere-ionosphere coupling Aurora australis |
description |
A splendid display of “aurora australis” was observed over the Indian Antarctic station Maitri (geomag. lat. 62°.8 S, long. 52°.8 E; L = 4.8) on the night of 4–5 March 1999. The changes recorded by a fluxgate magnetometer, and a 30 MHz riometer operating at Maitri are interpreted in terms of currently - understood auroral physics. Interplanetary magnetic field and plasma parameters recorded by the WIND satellite indicate very high solar wind velocities (500–600 km/s), and prolonged southward Bz of average value (∼ 5 nT), during the auroral event. Ion density is however an average 3–4/cm3, and Ion pressure only 2–3 nano Pascals during the event. |
format |
Article in Journal/Newspaper |
author |
Rajaram, G. Arun, T. Dhar, Ajay |
author_facet |
Rajaram, G. Arun, T. Dhar, Ajay |
author_sort |
Rajaram, G. |
title |
Diagnostics of magnetosphere-ionosphere coupling over Indian Antarctic station Maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 March 1999 |
title_short |
Diagnostics of magnetosphere-ionosphere coupling over Indian Antarctic station Maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 March 1999 |
title_full |
Diagnostics of magnetosphere-ionosphere coupling over Indian Antarctic station Maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 March 1999 |
title_fullStr |
Diagnostics of magnetosphere-ionosphere coupling over Indian Antarctic station Maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 March 1999 |
title_full_unstemmed |
Diagnostics of magnetosphere-ionosphere coupling over Indian Antarctic station Maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 March 1999 |
title_sort |
diagnostics of magnetosphere-ionosphere coupling over indian antarctic station maitri, from magnetometer and riometer observations during the optical auroral event of 4–5 march 1999 |
publishDate |
2002 |
url |
http://14.139.123.141:8080/jspui/handle/123456789/267 |
long_lat |
ENVELOPE(11.733,11.733,-70.764,-70.764) |
geographic |
Antarctic Indian Maitri |
geographic_facet |
Antarctic Indian Maitri |
genre |
Antarc* Antarctic aurora australis |
genre_facet |
Antarc* Antarctic aurora australis |
_version_ |
1766275139921510400 |