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A Spectroscopic Study of DD UMa: Ursa Major Group Member and Candidate for BRITE
individual: DD UMa stars: abundances – technique: spectroscopic
2011/10/19
The Ursa Major group is a nearby stellar supercluster which, while not gravitationally bound, is defined by co-moving members. DD UMa is a $\delta$ Scuti star whose membership in the Ursa Major group ...
Spectroscopic Studies of Solar Corona VI: Trend in Line-width Variation of Coronal Emission Lines with Height Independent of the Structure of Coronal Loops
Sun corona coronal structures emission line widt techniques spectroscopy
2010/9/16
We have obtained spectroscopic observations in coronal emission lines by choosing two lines simultaneously, one [Fe x] 6374Å and the other [Fe xi] 7892Å or [Fe xiii] 10747Å or [Fe xi...
Velocity Curve Analysis of the Spectroscopic Binary Stars PV Pup, HD 141929, EE Cet and V921 Her by Nonlinear Regression
Stars binaries eclipsing—stars binaries spectroscopic
2009/5/12
We use the method introduced by Karami & Mohebi (2007),
and Karami & Teimoorinia (2007) which enable us to derive the orbital
parameters of the spectroscopic binary stars by the nonlinear least squa...
Spectroscopic Studies of Solar Corona VI：Trend in Line-width Variation of Coronal Emission Lines with Height Independent of the Structure of Coronal Loops
Sun:corona coronal structures emission line widths techniques:spectroscopy
2009/5/7
We have obtained spectroscopic observations in coronal emission lines by choosing two lines simultaneously, one [Fe x] 6374Å and the other [Fe xi] 7892Å or [Fe xiii] 10747Å or [Fe xiv] ...
Ultraviolet Spectroscopic Observations of Coronal Streamers in the SOHO Era
Sun corona ultraviolet
2009/5/6
Measurements made with the Ultraviolet Coronagraph Spectrometer
(UVCS) on the Solar and Heliospheric Observatory can be used
to determine physical parameters in the solar corona such as hydrogen
a...