On the use of line depth ratios to measure starspot properties on magnetically active starsO'NEAL, Douglas.The Astrophysical journal. 2006, Vol 645, Num 1, pp 659-663, issn 0004-637X, 5 p., 1Article

⁶Li IN THE ATMOSPHERE OF GJ 117 REVISITEDCHRISTIAN, D. J; MATHIOUDAKIS, M; JEVREMOVIC, D et al.The Astrophysical journal. 2008, Vol 686, Num 1, pp 542-547, issn 0004-637X, 6 p., 1Article

⁶Li in the atmosphere of GJ 117CMRISTIAN, D. J; MATHIOUDAKIS, M; JEVREMOVIC, D et al.The Astrophysical journal. 2005, Vol 632, Num 2, pp L127-L130, issn 0004-637X, 2Article

Surface imaging with atomic and molecular features. I. A new inversion technique and first numerical testsSAVANOV, I. S; STRASSMEIER, K. G.Astronomy and astrophysics (Berlin. Print). 2005, Vol 444, Num 3, pp 931-940, issn 0004-6361, 10 p.Article

A mechanism for orbital period modulation and irregular orbital period variations in close binariesJINZHAO YUAN; SHENGBANG QIAN.The Astrophysical journal. 2007, Vol 669, Num 2, issn 0004-637X, L93-L95, 2Article

The outer solar atmosphere during the maunder minimum : A stellar perspectiveJUDGE, Philip G; SAAR, Steven H.The Astrophysical journal. 2007, Vol 663, Num 1, pp 643-656, issn 0004-637X, 14 p., 1Article

Catalog of nearby exoplanetsBUTLER, R. P; WRIGHT, J. T; PENNY, A. J et al.The Astrophysical journal. 2006, Vol 646, Num 1, pp 505-522, issn 0004-637X, 18 p., 1Article

THE ORIGIN OF BRIGHT X-RAY SOURCES IN MULTIPLE STARSMAKAROV, V. V; EGGLETON, P. P.The Astrophysical journal. 2009, Vol 703, Num 2, pp 1760-1765, issn 0004-637X, 6 p., 1Article

HD 98618 : A star closely resembling our sunMELENDEZ, Jorge; DODDS-EDEN, Katie; ROBLES, José A et al.The Astrophysical journal. 2006, Vol 641, Num 2, issn 0004-637X, L133-L136, 2Article

Long-term chromospheric activity of non-eclipsing RS CVn-type starsBUCCINO, A. P; MAUAS, P. J. D.Astronomy and astrophysics (Berlin. Print). 2009, Vol 495, Num 1, pp 287-295, issn 0004-6361, 9 p.Article

MAGNETIC CYCLES IN THE SUN : MODELING THE CHANGES IN RADIUS, LUMINOSITY, AND p-MODE FREQUENCIESMULLAN, D. J; MACDONALD, J; TOWNSEND, R. H. D et al.The Astrophysical journal. 2007, Vol 670, Num 2, pp 1420-1433, issn 0004-637X, 14 p., 1Article

The origin of structures in wolf-rayet winds : Fuse observations of WR 135MARCHENKO, S. V; MOFFAT, A. F. J; ST.-LOUIS, N et al.The Astrophysical journal. 2006, Vol 639, Num 2, issn 0004-637X, L75-L78, 2Article

X-RAY SPECTROSCOPIC SIGNATURES OF THE EXTENDED CORONA OF FK COMAEDRAKE, Jeremy J; SUN MI CHUNG; KASHYAP, Vinay et al.The Astrophysical journal. 2008, Vol 679, Num 2, pp 1522-1530, issn 0004-637X, 9 p., 1Article

Formation and evolution of W ursae majoris contact binariesLIFANG LI; FENGHUI ZHANG; ZHANWEN HAN et al.The Astrophysical journal. 2007, Vol 662, Num 1, pp 596-601, issn 0004-637X, 6 p., 1Article

HIP 56948 : A solar twin with a low lithium abundanceMELENDEZ, Jorge; RAMIREZ, Ivan.The Astrophysical journal. 2007, Vol 669, Num 2, issn 0004-637X, L89-L92, 2Article

The radio spectrum of TVLM 513-46546 : Constraints on the coronal properties of a late M dwarfOSTEN, Rachel A; HAWLEY, Suzanne L; BASTIAN, Timothy S et al.The Astrophysical journal. 2006, Vol 637, Num 1, pp 518-521, issn 0004-637X, 4 p., 1Article

LITHIUM ABUNDANCE IN SOLAR-TYPE STARS WITH LOW CHROMOSPHERIC ACTIVITY: APPLICATION TO THE SEARCH FOR MAUNDER MINIMUM ANALOGSLUBIN, Dan; TYTLER, David; KIRKMAN, David et al.The Astrophysical journal. 2010, Vol 716, Num 1, pp 766-775, issn 0004-637X, 10 p., 1Article

STEADY AND TRANSIENT RADIO EMISSION FROM ULTRACOOL DWARFSOSTEN, Rachel A; PHAN, N; HAWLEY, Suzanne L et al.The Astrophysical journal. 2009, Vol 700, Num 2, pp 1750-1758, issn 0004-637X, 9 p., 1Article

FROM SOLAR AND STELLAR FLARES TO CORONAL HEATING : THEORY AND OBSERVATIONS OF HOW MAGNETIC RECONNECTION REGULATES CORONAL CONDITIONSCASSAK, P. A; MULLAN, D. J; SHAY, M. A et al.The Astrophysical journal. 2008, Vol 676, Num 1, issn 0004-637X, L69-L72, 2Article

IMPROVED AGE ESTIMATION FOR SOLAR-TYPE DWARFS USING ACTIVITY-ROTATION DIAGNOSTICSMAMAJEK, Eric E; HILLENBRAND, Lynne A.The Astrophysical journal. 2008, Vol 687, Num 2, pp 1264-1293, issn 0004-637X, 30 p., 1Article

O vi OBSERVATIONS OF THE ONSET OF CONVECTION ZONES IN MAIN-SEQUENCE A STARSNEFF, James E; SIMON, Theodore.The Astrophysical journal. 2008, Vol 685, Num 1, pp 478-488, issn 0004-637X, 11 p., 1Article

STARSPOT-INDUCED RADIAL VELOCITY VARIABILITY IN LkCa 19HUERTA, Marcos; JOHNS-KRULL, Christopher M; PRATO, L et al.The Astrophysical journal. 2008, Vol 678, Num 1, pp 472-482, issn 0004-637X, 11 p., 1Article

LP 133-373: A new chromospherically active eclipsing dMe binary with a distant, cool white dwarf companionVACCARO, T. R; RUDKIN, M; KAWKA, A et al.The Astrophysical journal. 2007, Vol 661, Num 2, pp 1112-1118, issn 0004-637X, 7 p., 1Article

Oxygen abundance of open cluster DWARFSSHEN, Z.-X; LIU, X.-W; ZHANG, H.-W et al.The Astrophysical journal. 2007, Vol 660, Num 1, pp 712-722, issn 0004-637X, 11 p., 1Article

Photospheric and chromospheric active regions in four young solar-type starsBIAZZO, K; FRASCA, A; HENRY, G. W et al.The Astrophysical journal. 2007, Vol 656, Num 1, pp 474-482, issn 0004-637X, 9 p., 1Article