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Astronomy and Astrophysics, ISSN 0004-6361, 08/2018, Volume 616, p. A108
Context. Chromospheric activity monitoring of a wide range of cool stars can provide valuable information on stellar magnetic activity and its dependence on... 
Stars: late-type | Stars: activity | Stars: chromospheres | Stars: solar-type | ROTATION | TIME EVOLUTION | FIELD | MAIN-SEQUENCE STARS | SOLAR-TYPE | SPACED DATA | K-EMISSION | SUN-LIKE STARS | stars: chromospheres | stars: solar-type | stars: late-type | ASTRONOMY & ASTROPHYSICS | stars: activity | MAGNETIC-STRUCTURE | CA-II H | Physics - Solar and Stellar Astrophysics
Journal Article
by Pace, G
Astronomy and Astrophysics, ISSN 0004-6361, 2013, Volume 551, pp. L8 - 4
Context. Chromospheric activity has been calibrated and widely used as an age indicator. However, it has been suggested that the viability of this age... 
Stars: activity | SUN-LIKE STARS | ASTRONOMY & ASTROPHYSICS | MAIN-SEQUENCE STARS | G-DWARF | STELLAR-ACTIVITY INDICATORS | GENEVA-COPENHAGEN SURVEY | stars: activity | SOLAR-TYPE STARS | EMISSION | NSTARS PROJECT | CA-II H | OPEN CLUSTER | Databases | Stars | Age determination | Open clusters | Calibration | Indicators | Viability | Age
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 12/2017, Volume 608, p. A87
We study the variability of solar activity using new photospheric proxies originally developed for the analysis of stellar magnetism with the CoRoT and Kepler... 
Methods: observational | Sun: Activity | VELOCITY | methods: observational | IRRADIANCE VARIATIONS | ACOUSTIC MODES | P-MODE FREQUENCIES | Sun: activity | SOHO MISSION | SOLAR-ACTIVITY INDICATORS | 1ST | HELIOSEISMOLOGY | HYSTERESIS | ASTRONOMY & ASTROPHYSICS | ACTIVITY CYCLE | Physics - Solar and Stellar Astrophysics
Journal Article
Monthly Notices of the Royal Astronomical Society: Letters, ISSN 1745-3925, 10/2017, Volume 471, Issue 1, pp. L96 - L100
The young and magnetically active K dwarf epsilon Eridani exhibits a chromospheric activity cycle of about 3 yr. Previous reconstructions of its large-scale... 
Techniques | Individual | Solar-type | Polarimetric – stars | Activity – stars | Magnetic field– stars | ϵ Eridani – stars | ROTATION | stars: magnetic field | stars: solar-type | K-DWARF | ASTRONOMY & ASTROPHYSICS | STARS | techniques: polarimetric | stars: activity | stars: individual: epsilon Eridani | Physics - Solar and Stellar Astrophysics
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 01/2010, Volume 709, Issue 1, pp. 332 - 341
As part of our on-going investigation into the magnetic field properties of ultracool dwarfs, we present simultaneous radio, X-ray, and H alpha observations of... 
Brown dwarfs | Radio continuum: stars | Stars: activity | Stars: magnetic fields | Stars: low-mass | ROTATION | stars: magnetic fields | LOW-MASS STARS | COOL STARS | MAIN-SEQUENCE | BROWN DWARF | radio continuum: stars | brown dwarfs | FLARE | SOLAR NEIGHBORHOOD | ASTRONOMY & ASTROPHYSICS | MID-M | stars: low-mass | ROSAT SURVEY | stars: activity | EMISSION | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2011, Volume 534, p. A30
Context. The search for extra-solar planets similar to Earth is becoming a reality, but as the level of the measured radial-velocity reaches the sub-m s(-1),... 
Stars: late-type | Techniques: spectroscopic | Stars: activity | EXTRA-SOLAR PLANETS | CHROMOSPHERIC ACTIVITY | CA-II-H | SOUTHERN M DWARFS | MAIN-SEQUENCE STARS | K-DWARFS | STELLAR ACTIVITY | stars: late-type | techniques: spectroscopic | ASTRONOMY & ASTROPHYSICS | stars: activity | H-ALPHA EMISSION | SPECTROSCOPIC SURVEY | RESONANCE LINES
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 05/2018, Volume 476, Issue 1, pp. 908 - 926
Journal Article
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 04/2017, Volume 600
A&A 600, A13 (2017) Atmospheric magnetic fields in stars with convective envelopes heat stellar chromospheres. Starting with the historical Mount Wilson... 
Stars: late-type | Stars: activity | Techniques: spectroscopic | Planetary systems | Stars: rotation
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 05/2016, Volume 589, p. A135
A&A 589, A135 (2016) (Abridged) Most stellar activity cycles similar to that found in the Sun have been detected by using the chromospheric Ca II H&K lines as... 
stars: individual: HD 45184 | stars: chromospheres | stars: solar-type | stars: activity | Physics - Solar and Stellar Astrophysics
Journal Article