Viki Joergens

Publications by Viki Joergens

Proceedings of Conferences:

Physical Properties of Binary Brown Dwarfs
Brandner W., Stumpf M., Köhler R., Joergens V., Hormuth F., Geissler K., Goldman B., Henning T., Bouy H., Martin E.
In: Highlights of Astronomy 15, 757, 2010

CARMENES: Calar Alto high-resolution search for M dwarfs with exo-Earths with a near-infrared Echelle spectrograph
Quirrenbach A., Amado P.J., Mandel H., ..., Joergens V. et al.
In: "Pathways towards habitable planets", ed. by V. Coude du Foresto, D. M. Gelino & I. Ribas,
ASPC Conf. Ser. 430, 521, 2010

CARMENES: Calar Alto high-resolution search for M dwarfs with exo-Earths with a near-infrared Echelle spectrograph
Quirrenbach A., Amado P.J., Mandel H., ..., Joergens V. et al.
In: Ground-based and Airborne Instrumentation for Astronomy III. ed. by I. S. McLean, S. K. Ramsay, H. Takami,
SPIE Proceedings, Volume 7735, 2010

Multiplicity and kinematics of brown dwarfs
Joergens V.
Invited review talk at ESA constellation workshop 'Recipes for making brownies: theory vs. observations'
ESA-ESTEC, Noordwijk, The Netherlands, Sept. 9-11, 2009

Where lies the peak of the brown dwarf binary separation distribution ?
Joergens V.
In: Cool Stars, Stellar Systems and the Sun: 15th Cambridge Workshop,
ed. by E. Stempels, AIP Conference Proceedings 1094, 840, 2009 [pdf]

Discovery of 18 Jupiter mass RV companion orbiting the brown dwarf candidate ChaHa8
Joergens V. & Müller A.
In: Extreme Solar Systems, ed. by D. Fisher, F. A. Rasio, S. E. Thorsett, A. Wolszczan,
ASP Conf. Ser., Vol. 398, 2008, p. 47-50 [pdf]

Spectroscopic companions of very young brown dwarfs
Joergens V.
In: Multiple Stars across the H-R Diagram, Proceedings of ESO workshop,
ed. by S. Hubrig, M. Petr-Gotzens, A. Tokovinin,
Springer, Berlin, Heidelberg, 2008, p. 211-217 [pdf]

Pan-STARRS-1 key project: The extended Solar neighborhood and star-forming regions
Liu M. C., Magnier E., Brandner W., ..., Joergens V. et al.
In: American Astronomical Society, AAS Meeting 211, 4718;
Bulletin of the American Astronomical Society, Vol. 39, 2007, p.806

Very low-mass spectroscopic companion around the Brown Dwarf ChaHa8
Joergens V.
Multiplicity in star formation, Workshop held at University of Toronto, May 16-18, 2007 [pdf]

The Formation of Brown Dwarfs: Observations
Luhman K., Joergens V., Lada C., Muzerolle J., Pascucci I., White R.
In: Protostars & Planets V, ed. by B. Reipurth, D. Jewitt & K. Keil
University of Arizona Press, Tucson, 2007, p. 443-457 [pdf]

Radial Velocity Survey for Planets and Brown Dwarf Companions
to Very Young Brown Dwarfs and Very Low-Mass Stars in ChaI with UVES at the VLT
Joergens V.
In: Protostars & Planets V, LPI Contribution No. 1286., 2005, p.8034 [pdf]

Origins of brown dwarfs
Joergens V.
In: Reviews in Modern Astronomy, Vol. 18, Proceeding of invited highlight talk at the Annual Scientific Meeting of the Astronomische Gesellschaft, ed. by S. Roeser, Wiley, Weinheim, 2005, p.216-239, astro-ph/0501220 [pdf]

Towards characterization of exoplanetary atmopsheres with the VLT Interferometer
Joergens V. & Quirrenbach A.
In: Cool Stars, Stellar Systems and the Sun 13, ed. by F. Favata, G.A.J. Hussain, B. Battrick,
ESA SP-560, 2005, p.677, arXiv:astro-ph/0410107 [pdf]

Towards characterization of exoplanetary spectra
Joergens V. & Quirrenbach A.
In: Astron. Nachr. 325, Suppl. Issue 1, 2004, p.3
Proc. of Splinter Meeting 'Formation of planets and stars'
at the AG meeting Prague, Sept. 2004

Modeling of closure phase measurement with AMBER / VLTI -
Towards characterization of exoplanetary atmospheres
Joergens V. & Quirrenbach A.
In: New Frontiers in Stellar Interferometry, Proceeding of SPIE Volume 5491,
ed. by W.A. Traub, 2004, p. 551, astro-ph/0409726 [pdf]

Estudio de estrellas jovenes de muy baja masa
Fernández M., Comerón F., Joergens V.
Jornadas Cientificas 250 Anos de Astronomia en Espana,
held in San Fernando, Cadiz, 22-26 September 2003 [postscript]

Formation and early evolution of brown dwarfs in ChaI
Joergens V., Neuhäuser R., Fernández M.
In: New deal in European astronomy: trends and Perspectives, Joint European and national astronomical meeting (JENAM)
held in Budapest, August 25-30, 2003,
ed. by M. Kun, Baltic Astronomy, Vol. 13, No.3, 2004, p. 505 [pdf ]

RV survey for planets of brown dwarfs and very low-mass stars in ChaI
Joergens V. & Neuhäuser R.
In: ESA Special Publication SP-539,
Toward other Earths - DARWIN/TPF and the search for extrasolar terrestrial planets,
ed. by M. Fridlund, T. Henning, ESA Publications Divisions, Nordwijk, 2003, p. 455, [pdf]

Multiplicity, kinematics and rotation rates of very young brown dwarfs in ChaI
Joergens V., Neuhäuser R., Guenther E.W., Fernández M., Comerón F.
In: IAU Symposium No. 211, Brown Dwarfs, held in Hawai'i, May 20-24 2002,
ed. by E. L. Martin, Astronomical Society of the Pacific, San Francisco, 2003, p.233 [pdf]

Rotational periods of very young brown dwarfs in ChaI
Joergens V., Fernández M., Neuhäuser R., Guenther E.
In: 1st Potsdam Thinkshop on Star Spots, held in Potsdam, Germany, May 2002,
ed. by K.G. Strassmeier, A. Washuettl, in press, p.43-45, astro-ph/0206137 [pdf]

Do brown dwarfs have planets? - UVES Spectra and HST/SOFI Images of Young Brown Dwarfs in Cha I
Joergens V., Guenther E., Neuhäuser R., Comeron F. , Huálamo N., Alves J., Brandner W.
Astronomische Gesellschaft Abstract Series, Vol. 18., 18S0402J
Annual Scientific Meeting of the Astronomische Gesellschaft at the Joint European and
National Astronomical Meeting (JENAM), held in Munich, September 10-15, 2001 [pdf]

Preparing for the VLTI: A search for Pre-Main Sequence Spectroscopic Binaries
Guenther E., Joergens V., Torres G., Neuhäuser R., Fernández M., Mundt R.
In: Proceedings of ESO workshop, The Origins of stars and planets: The VLT view,
held in Garching, Germany, April 24-27 2001,
ed. by J.F. Alves, M.J. McCaughrean, Springer, Berlin, 2002, p.431-436

Multiplicity of young brown dwarfs in Cha I
Joergens V., Guenther E., Neuhäuser R., Comeron F. , Huálamo N., Alves J., Brandner W.
In: Proceedings of ESO workshop, The Origins of stars and planets: The VLT view, held in Garching, Germany, April 24-27 2001,
ed. by J.F. Alves, M.J. McCaughrean, Springer, Berlin, 2002, p.127-132, astro-ph0106185 [pdf]

A Search for Pre-main Sequence Spectroscopic Binaries
Guenther, E.W., Neuhäuser R., Joergens V., Fernández, M., Batalha, N.S., Mundt, R., Leinert C., Vijapurkar, J., Torres, G.
In: ASP Conference Series, Vol. 223, Cool Stars, Stellar Systems and the Sun, Eleventh Cambridge Workshop,
ed. by R. J. Garcia Lopez, R. Rebolo, and M. R. Zapatero Osorio, Astronomical Society of the Pacific, San Francisco, 2001, p.515

A spectroscopic and photometric survey for pre-main sequence binaries
Guenther, E.W., Joergens V., Torres, G., Stout Batalha, N., Vijapurkar, J., Fernández, M., Mundt, R.
In: IAU Symposium No. 200, The Formation of Binary Stars, held in Potsdam, Germany, April 10-15, 2000
ed. by H. Zinnecker, R.D. Mathieu, Astronomical Society of the Pacific, San Francisco, 2001, p.165 [pdf]

Viki Joergens / viki @ mpia.de