First author, refereed journal articles

(Astrobiology, 2013, Vol. 13, Issue 1, pp. 18-46, Astrobiology cover story)
R. Heller, R. Barnes — Exomoon habitability constrained by illumination and tidal heating
[ADS]

(Astronomy and Astrophysics Letters, 2012, Vol. 545, L8, 4 pp.)
R. Heller — Exomoon habitability constrained by energy flux and orbital stability
[ADS]

(Origins of Life and Evolution of Biospheres, 2011, Vol. 41, Issue 6, pp. 539-543)
R. Heller, R. Barnes, J. Leconte — Habitability of extrasolar planets and tidal spin evolution
[ADS]

(Astronomy and Astrophysics, 2011, Vol. 528, A27, 16 pp.)
R. Heller, J. Leconte, R. Barnes — Tidal obliquity evolution of potentially habitable planets
[ADS]

(Astronomy and Astrophysics, 2010, Vol. 514, A22, 14 pp.)
R. Heller, B. Jackson, R. Barnes, R. Greenberg, D. Homeier — Tidal effects on brown dwarfs: Application to the eclipsing binary 2MASSJ05352184-0546085 — The anomalous temperature reversal in the context of tidal heating
[ADS]

(Astronomy and Astrophysics, 2009, Vol. 508, pp. 1509-1516)
R. Heller, D. Mislis, J. Antoniadis — Transit detections of extrasolar planets around main-sequence stars — I. Sky maps for hot Jupiters
[ADS] / [online material (sky maps)]

(Astronomy and Astrophysics, 2009, Vol. 496, pp. 191-205)
R. Heller, D. Homeier, S. Dreizler, R. H. Østensen — Spectral analysis of 636 white dwarf - M star binaries from the Sloan Digital Sky Survey
[ADS]


Co-author, refereed journal articles

(Astrobiology, 2013, Vol. 13, Issue 3, pp. 270-291)
R. Barnes, R. Heller — Habitable planets around white and brown dwarfs: The perils of a cooling primary
[ADS]

(Astrobiology, 2013, Vol. 13, Issue 3, pp. 225-250)
R. Barnes, K. Mullins, C. Goldblatt, V. S. Meadows, J. F. Kasting, R. Heller — Tidal Venuses: Triggering a climate catastrophe via tidal heating
[ADS]

(Astronomy and Astrophysics, 2012, Vol. 538, A4, 8 pp.)
D. Mislis, R. Heller, J. H. M. M. Schmitt, S. Hodgkin — Estimating transiting exoplanet masses from precise optical photometry
[ADS]

(Astrophysical Journal, 2012, Vol. 745, id 58, 22 pp.)
Y. G. M. Chew, K. G. Stassun, A. Prša, E. Stempels, L. Hebb, R. Barnes, R. Heller, R. D. Mathieu — Luminosity Discrepancy in the Equal-Mass, Pre-Main Sequence Eclipsing Binary Par 1802: Non-Coevality or Tidal Heating?
[ADS]


First author, non-refereed contributions

(Sterne und Weltraum, 2013, February, p. 19)
R. Heller — Weiße und Braune Zwerge zeigen sich unwirtlich
[ADS]

EPJ Web of Conferences, 2013, Vol. 47, id 07002 (Proceedings to the ROPACS meeting 2012, Garching)
R. Heller, R. Barnes — Hot Moons and Cool Stars
[ADS]

(Proceedings to the XXVIII IAU General Assembly (2012, Beijing), to appear in Cambridge University Press, 2012)
R. Heller, R. Barnes — Constraints on the habitability of extrasolar moons
[ADS]

(Sterne und Weltraum, 2011, July, pp. 24-26)
R. Heller — Gezeiten und die Bewohnbarkeit extrasolarer Planeten
[ADS]

(ASP Conference Series, 2011, Vol. 447, pp. 177-182, Proceedings to the ESO "Evolution of Compact Binaries" conference in Viña del Mar, Chile, March 2011)
R. Heller, A. D. Schwope, R. H. Østensen — The SDSS White Dwarf - M Star Library
[ADS]

(Sterne und Weltraum, 2010, June, pp. 30-37)
R. Heller — Auf der Suche nach extrasolaren Transitplaneten
[ADS]

(Journal of Physics: Conference Series, 2009, Vol. 172, Issue 1, p. 012023, 8 pp., Proceedings of the 16th European White Dwarfs Workshop, Barcelona, July 2008)
R. Heller, D. Homeier, S. Dreizler, R. H. Østensen — Spectral analysis of 636 WD - M star binaries from the Sloan Digital Sky Survey (Data Release 6)
[ADS]

(AIP Conference Proceedings, 2009, Vol. 1094, pp. 931-934, Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, St. Andrews, July 2008)
R. Heller, D. Homeier, S. Dreizler, R. H. Østensen — Spectral analysis of 636 white dwarf - M star binaries from the Sloan Digital Sky Survey
[ADS]


Co-author, non-refereed contributions

(American Astronomical Society, 2012, DDA meeting #43, #2.06)
R. Barnes, K. Mullins, C. Goldblatt, V. S. Meadows, J. F. Kasting, R. Heller — Orbital Dynamics and Habitability I: Triggering a Runaway Greenhouse via Tidal Heating
[ADS]

(Proceedings of the 10th Hellenic Astronomical Conference, 2011, p. 12)
D. Mislis, R. Heller, J. Fernandez, U. Seemann, P. Ioannidis, C. Avdellidou — The Photometric Software for Transits (PhoS-T)
[ADS]

(American Astronomical Society Meeting, 2011, No. 217, 221.05, Vol. 217)
R. Barnes, R. Heller, B. Jackson, J. Leconte, R. Greenberg, K. Mullins, S. N. Raymond — The Role of Tides in Planetary Habitability
[ADS]

(ASP Conference Series, 2011, Vol. 448, p. 391, Proceedings to Cool Stars XVI)
R. Barnes, V. Meadows, S. Domagal-Goldman, R. Heller, B. Jackson, M. Lopez-Morales, A. Tanner, N. Gomez-Perez, T. Ruedas — Habitability of Planets Orbiting Cool Stars
[ADS]

(LPI Contributions, 2010, Vol. 1538, p. 5595, 2 pp.)
R. Barnes, B. Jackson, R. Heller, R. Greenberg, S. N. Raymond — Tidal Effects on the Habitability of Exoplanets: The Case of GJ581d
[ADS]

(ASP Conference Series, 2010, Vol. 430, p. 133, Proceedings to the Pathways Towards Habitable Planets Symposium, Barcelona 2009)
R. Barnes, B. Jackson, R. Greenberg, S. N. Raymond, R. Heller — Tidal Constraints on Planetary Habitability
[ADS]


Academic publications

(PhD thesis at the Hamburger Sternwarte (University of Hamburg), Aug. 2010)
R. Heller — Theoretical Studies on Brown Dwarfs and Extrasolar Planets
[SUB Hamburg]

(Diploma thesis at the Astrophysical Institut Göttingen (University of Göttingen), July 2007)
R. Heller — Spectral Analysis of Binary Systems from the Sloan Digital Sky Survey — White Dwarfs with Cool Companions
[.pdf]


Press

RBB TV (2013, Apr. 3)
Suche nach außerirdischem Leben
[http://mediathek.rbb-online.de/...]

DER SPIEGEL (2013, Feb. 9)
Schlingernde Planeten
[https://magazin.spiegel.de/...]

ScienceNews, 2013, Vol. 183, Issue 3, pp. 5-6
Life has prospects on moons of giant extrasolar planets
[www.sciencenews.org/...]

Astrobiology Magazine (2013, Jan. 14)
Life possible on extrasolar moons
[www.astrobio.net/...]

The Guardian (2013, Jan. 13)
Is there life on moons?
[www.guardian.co.uk/...]

Le Figaro (2013, Jan. 11)
Les "exolunes" pourraient abriter de la vie
[www.lefigaro.fr/...]

Science World Report (2012, Dec. 3)
Planets orbiting white or brown dwarfs are poor candidates for life
[www.scienceworldreport.com/...]

MSNBC (2012, Nov. 21)
Alien life unlikely to be found around dying stars
[www.msnbc.msn.com/...]

New Scientist (2012, Oct. 10)
Exomoons may give us first glimpse of habitable worlds
[www.newscientist.com/...]

Science Blogs (2012, Sep. 8)
Bewohnbare Monde und das Problem der Finsternisse
[http://scienceblogs.de/...]

Kakadu on Deutschland Radio Kultur, UKW 89.6 MHz, (June 6, 2012)
"Alles Science Fiction? — Außerirdisches Leben", interview on the kid's radio broadcast [6min:14s]

Get the Flash Player to see this player.

Potsdamer Neueste Nachrichten (Dec. 7, 2011)
Science Caffè
[http://www.pnn.de/campus/603035]

DIE ZEIT (no. 10/2011)
Die Macht der Tiden
[.jpg] / [.pdf]

Astrobiology Magazine (2012, Jan. 12)
Loss of Planetary Tilt Could Doom Alien Life
[www.astrobio.net/...]

Astro-News (2011, Feb. 25)
Gezeiten machen habitable Zone unbewohnbar
[www.astronews.com/...]

Der Standard (2011, Feb. 25)
Das Konzept habitabler Zonen muss modifiziert werden
[http://derstandard.at/...]

AIP Press release on Heller et al. (2011) (2011, Feb. 24)
New conditions for life on other planets
[.pdf]


Scientific talks

(Royal Astronomical Society meeting, London, March 2013)
Constraints on exomoon habitability
[.pdf]

(ChanPlaNS/HerPlaNS Joint Team Meeting & Workshop, La Christalera/Madrid, February 2013)
Modelling of wind-blown bubbles with heat conduction
[.pdf]

(Hot Planets and Cool Stars (RoPACS), MPE Garching, November 2012)
Hot Moons and Cool Stars

(Formation, Detection, and Characterization of Extrasolar Habitabile Planets, IAU Symposium 293, Beijing, August 2012)
Exomoon habitability constrained by illumination and tidal heating

(Virtual Planetary Laboratory video conference, May 2012)
Constraints on exomoon habitability from photon irradiation and tidal heating
[screen shot]

(Astrophysical Colloquium, Institute for Astrophysics Göttingen, April 2012)
Constraints on exomoon habitability from photon irradiation and tidal heating

(AIP Colloquium, Potsdam, November 2011)
White dwarf - main-sequence star binaries from the Sloan Digital Sky Survey
[.pdf]

(Evolution of Compact Binaries (ESO), Viña del Mar, Chile, March 2011)
White Dwarf - M Dwarf Binaries from the Sloan Digital Sky Survey
[.pdf]

(Cool Stars 16, Seattle, USA, August - September 2010)
Tidal Constraints on the Habitability of Exoplanets Around Cool Stars
[.pdf]

(AbGradCon 2010, Tällberg, Sweden, June 2010)
Constraints on Habitability from Obliquity Tides
[.pdf]

(82nd Annual Fall Meeting of the Astronomische Gesellschaft, Potsdam, September 2009)
Tidal effects on brown dwarfs — The eclipsing brown dwarf binary 2MASSJ05352184-0546085
[.pdf]

(16th European White Dwarf Workshop, Barcelona, July 2008)
Spectral Analysis of Binary Systems from the Sloan Digital Sky Survey — 636 White Dwarfs with Cool Companions
[.pdf]

(Hamburger Sternwarte, Feb. 2007)
Spectral Analysis of Binary Systems from the Sloan Digital Sky Survey — White Dwarfs with Cool Companions


Public talks

(Tag der Wissenschaften (Weinberg-Gymnasium), Kleinmachnow, November 2012)
Gibt es auf anderen Planeten auch Leben?

(Potsdamer Sternennacht (AIP), Potsdam, March 2012)
Extrasolare Monde — Schöne neue Welten?

(Science Caffè in the 11-line, Potsdam, November 2011)
Zeitliche Variation der Bewohnbarkeit extrasolarer Planeten und die Detektion extrasolaren Lebens

(Volkshochschule Schaumburg (VHS), Stadthagen, November 2011)
Über Forschung am AIP: Weiße Zwerge, Kosmologie und Leben auf anderen Planeten

(Integrierte Gesamtschule (IGS), Stadthagen, November 2011)
Kosmologie und Leben auf anderen Planeten

(Bruno-H.-Bürgel-Sternwarte, Berlin-Spandau, May 2011)
Die Bewohnbarkeit extrasolarer Planeten
[.pdf]

(Potsdamer Sternennacht (AIP), Potsdam, March 2011)
Die Bewohnbarkeit extrasolarer Planeten


Posters

(XXVIII. International Astronomical Union General Assembly, Symposium 293: "Formation, Detection, and Characterization of Extrasolar Habitable Planets, Beijing, China, August 2012)
Exomoon habitability constrained by illumination and tidal heating
[.pdf]

(Cool Stars 17, Barcelona, Spain, June 2012)
White dwarf - M dwarf binaries from the Sloan Digital Sky Survey
[.pdf]

(Origins 2011, Montpellier, France, July 2011)
Tidal equilibrium and habitability of extrasolar planets
[.pdf]

(483. Wilhelm and Else Heraeus Seminar "Extrasolar Planets: Towards Comparative Planetology beyond the Solar System, Bad Honnef, Germany, June 2011)
Tidal equilibrium and habitability of extrasolar planets

Summary poster of my PhD thesis within the GrK 1351 "Extrasolar Planets and their Host Stars" at the Hamburger Sternwarte
Tidal Processes on Brown Dwarfs and Extrasolar Planets

(Cool Stars 15, St. Andrews, UK, July 2008)
Spectral Analysis of 636 White Dwarf - M Star Binary Systems from the Sloan Digital Sky Survey