'Sunspot' presentation slideshows

Sunspots, Space Weather, and Climate

573 views • 53 slides

Unit 4: Our Sun

505 views • 44 slides

1446 Introductory Astronomy II

655 views • 44 slides

SUN COURSE - SLIDE SHOW 2

546 views • 41 slides

General Properties Internal Structure Solar Atmosphere Photosphere, chromosphere, and corona Surface Features and Magnet

622 views • 39 slides

Sunspots: the interface between dynamos and the theory of stellar atmospheres

398 views • 39 slides

Reconciling the Sunspot and Group Numbers

394 views • 38 slides

A full revision of the Sunspot Number and Group Number records

498 views • 33 slides

Self-assembly of shallow magnetic spots through strongly stratified turbulence

429 views • 31 slides

What Studies Have Been Done About AR 10930 ?

What Studies Have Been Done About AR 10930 ?. Presented by Sung-Hong Park NJIT / SWRL. Published Papers ( more than 27 ). Published Papers ( continued ). Overview of NOAA 10930. Hinode/FG/ G-band. Hinode/FG/ Ca II H. Hinode/FG/ Stokes-V. LASCO/C2. Hinode/ XRT. LASCO/C2.

301 views • 30 slides

The Waldmeier Effect and the Calibration of Sunspot Numbers

315 views • 30 slides

Planetary tides and solar activity

Planetary tides and solar activity. Katya Georgieva Solar-Terrestrial Influences Lab., Bulgarian Academy of Sciences In collaboration with P.A. Semi. Basic concept. Planetary influences do NOT cause solar activity.

305 views • 30 slides

276 views • 27 slides

Magnetic Flux Budget of a Decaying Sunspot

Magnetic Flux Budget of a Decaying Sunspot. Masahito Kubo 1 Collaborators: B. W. Lites 1 , T. Shimizu 2 , K. Ichimoto 3 , Hinode/SOT team 1: HAO/NCAR, 2: ISAS/JAXA, 3: Kyoto University. Lifecycle of sunspots. Sunspot lifetime: hours ~ months - Linear relation with maximum size

410 views • 23 slides

Sunspot Studies in Oslo with CDS,SUMER,MDI and TRACE A final report (maybe).

Sunspot Studies in Oslo with CDS,SUMER,MDI and TRACE A final report (maybe). Olav Kjeldseth-Moe, Per Maltby , Terje Fredvik and Nils Brynildsen Institute of Theoretical Astrophysics University of Oslo. Program History. Sunspot studies with SOHO instruments from 06/1996.

355 views • 21 slides

Solar Quasi-Biennial Fluctuations

Solar Quasi-Biennial Fluctuations. Csilla Szasz and Johan Kero. Heliophysical Observatory Debrecen. Swedish Institute of Space Physics. The Butterfly Diagram of the Present Debrecen Photoheliographic Data (DPD). Umbra-Penumbra Area Ratio for Sunspots in the DPD.

331 views • 19 slides

Understanding Sunspots

279 views • 17 slides

Measurements of Acoustic Waves Scattered by Sunspots

Measurements of Acoustic Waves Scattered by Sunspots. Dean-Yi Chou. Collaborators:. Tsing Hua University, Taiwan. Hui Zhao Ming-Hsu Yang. (Stanford, April 2011, LoHCo Workshop). Waves Scattered by a Sunspot. Cameron et al. 2008. The incident wave is a plane wave packet.

239 views • 13 slides

On the nature of moving magnetic feature pairs around sunspots

On the nature of moving magnetic feature pairs around sunspots. Zhang et al., 2003, A&A, 399,755. 2003 May 26 Zasshikai short-talk Junko Kiyohara. 1. Introduction. Moving magnetic features (MMFs) are small magnetic features

112 views • 11 slides

What is a Sunspot?

What is a Sunspot?. A sunspot is a region on the Sun's photosphere that is cooler and darker than the surrounding material. Sunspots often appear in pairs or groups .

341 views • 1 slides