Ruprecht-Karls-Universität Heidelberg
Personnel

Dr. Walter Seifert

Landessternwarte



Office
Happellabor, Room 019

Postal address
Zentrum für Astronomie der Universität Heidelberg
Landessternwarte
Königstuhl 12
69117 Heidelberg






Publications done at ZAH since 2007

24.
9/2019
Morales, J. C.; Mustill, A. J. et al. (inc. Wolthoff, V.; Wagner, K.; Veredas, G.; Stürmer, J.; Stuber, T.; Stock, S.; Stahl, O.; Sadegi, S.; Mandel, H.; Labiche, N.; Klüter, J.; Kim, M.; Kemmer, J.; Brinkmöller, M.; Seifert, W.; Kaminski, A.; Quirrenbach, A.; Reffert, S.)
A giant exoplanet orbiting a very-low-mass star challenges planet formation models
Sci 365, 1441(2019)

23.
8/2019
Heidt, J.; Quirrenbach, A. et al. (inc. Seifert, W.; Pramskiy, A.; Hoyer, N.)
3C 294 revisited: Deep Large Binocular Telescope AO NIR images and optical spectroscopy
A&A 628, A28(2019)

22.
7/2019
Zechmeister, M.; Dreizler, S. et al. (inc. Wolthoff, V.; Wagner, K.; Veredas, G.; Tala Pinto, M.; Stürmer, J.; Stuber, T.; Stock, S.; Stahl, O.; Seifert, W.; Sadegi, S.; Reffert, S.; Mandel, H.; Magán Madinabeitia, H.; Klüter, J.; Kim, M.; Kemmer, J.; Kaminski, A.; Brinkmöller, M.; Bluhm, P.; Quirrenbach, A.)
The CARMENES search for exoplanets around M dwarfs. Two temperate Earth-mass planet candidates around Teegarden's Star
A&A 627, A49(2019)

21.
5/2019
Schweitzer, A.; Passegger, V. M. et al. (inc. Seifert, W.; Kaminski, A.; Quirrenbach, A.)
The CARMENES search for exoplanets around M dwarfs. Different roads to radii and masses of the target stars
A&A 625, A68(2019)

20.
3/2019
Hintz, D.; Fuhrmeister, B. et al. (inc. Seifert, W.; Kaminski, A.; Quirrenbach, A.)
The CARMENES search for exoplanets around M dwarfs. Chromospheric modeling of M 2-3 V stars with PHOENIX
A&A 623, A136(2019)

19.
1/2019
Díez Alonso, E.; Caballero, J. A. et al. (inc. Seifert, W.; Quirrenbach, A.)
CARMENES input catalogue of M dwarfs. IV. New rotation periods from photometric time series
A&A 621, A126(2019)

18.
12/2018
Salz, M.; Czesla, S. et al. (inc. Seifert, W.; Kaminski, A.; Quirrenbach, A.)
Detection of He I λ10830 Å absorption on HD 189733 b with CARMENES high-resolution transmission spectroscopy
A&A 620, A97(2018)

17.
11/2018
Ribas, I.; Tuomi, M. et al. (inc. Tsapras, Y.; Seifert, W.; Reffert, S.; Kaminski, A.; Quirrenbach, A.)
A candidate super-Earth planet orbiting near the snow line of Barnard's star
Natur 563, 365(2018)

16.
11/2018
Baroch, D.; Morales, J. C. et al. (inc. Seifert, W.; Quirrenbach, A.)
The CARMENES search for exoplanets around M dwarfs. Nine new double-line spectroscopic binary stars
A&A 619, A32(2018)

15.
10/2018
Kaminski, A.; Trifonov, T. et al. (inc. Stahl, O.; Seifert, W.; Sadegi, S.; Reffert, S.; Mandel, H.; Luque, R.; Quirrenbach, A.)
The CARMENES search for exoplanets around M dwarfs. A Neptune-mass planet traversing the habitable zone around HD 180617
A&A 618, A115(2018)

14.
7/2018
Fuhrmeister, B.; Czesla, S. et al. (inc. Seifert, W.; Quirrenbach, A.)
The CARMENES search for exoplanets around M dwarfs. Wing asymmetries of Hα, Na I D, and He I lines
A&A 615, A14(2018)

13.
7/2018
Passegger, V. M.; Reiners, A. et al. (inc. Seifert, W.; Quirrenbach, A.; Caballero, J. A.)
The CARMENES search for exoplanets around M dwarfs. Photospheric parameters of target stars from high-resolution spectroscopy
A&A 615, A6(2018)

12.
6/2018
Tal-Or, L.; Zechmeister, M. et al. (inc. Seifert, W.; Sadegi, S.; Reffert, S.; Quirrenbach, A.)
The CARMENES search for exoplanets around M dwarfs. Radial-velocity variations of active stars in visual-channel spectra
A&A 614, A122(2018)

11.
4/2018
Reiners, A.; Zechmeister, M. et al. (inc. Xu, W.; Wolthoff, V.; Wagner, K.; Veredas, G.; Tala, M.; Stürmer, J.; Stahl, O.; Sadegi, S.; Reffert, S.; Mandel, H.; Klüter, J.; Grohnert, S.; Feiz, C.; Brinkmöller, M.; Seifert, W.; Kaminski, A.; Quirrenbach, A.; Caballero, J. A.)
The CARMENES search for exoplanets around M dwarfs. High-resolution optical and near-infrared spectroscopy of 324 survey stars
A&A 612, A49(2018)

10.
2/2018
Reiners, A.; Ribas, I. et al. (inc. Wolthoff, V.; Wagner, K.; Tala, M.; Stürmer, J.; Stahl, O.; Sadegi, S.; Reffert, S.; Mandel, H.; Klüter, J.; Kim, M.; Grohnert, S.; Feiz, C.; Brinkmöller, M.; Seifert, W.; Kaminski, A.; Quirrenbach, A.; Caballero, J. A.)
The CARMENES search for exoplanets around M dwarfs. HD147379 b: A nearby Neptune in the temperate zone of an early-M dwarf
A&A 609, L5(2018)

9.
2/2018
Trifonov, T.; Kürster, M. et al. (inc. Wolthoff, V.; Wagner, K.; Tala, M.; Stahl, O.; Sadegi, S.; Mandel, H.; Klüter, J.; Kim, M.; Grohnert, S.; Feiz, C.; Brinkmöller, M.; Stürmer, J.; Seifert, W.; Kaminski, A.; Reffert, S.; Quirrenbach, A.; Caballero, J. A.)
The CARMENES search for exoplanets around M dwarfs . First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems
A&A 609, A117(2018)

8.
1/2018
Zechmeister, M.; Reiners, A. et al. (inc. Wolthoff, V.; Seifert, W.; Reffert, S.; Quirrenbach, A.; Kaminski, A.)
Spectrum radial velocity analyser (SERVAL). High-precision radial velocities and two alternative spectral indicators
A&A 609, A12(2018)

7.
8/2017
Garcia-Piquer, A.; Morales, J. C. et al. (inc. Seifert, W.; Quirrenbach, A.; Caballero, J. A.)
Efficient scheduling of astronomical observations. Application to the CARMENES radial-velocity survey
A&A 604, A87(2017)

6.
1/2017
Cortés-Contreras, M.; Béjar, V. J. S. et al. (inc. Seifert, W.; Quirrenbach, A.; Caballero, J. A.)
CARMENES input catalogue of M dwarfs. II. High-resolution imaging with FastCam
A&A 597, A47(2017)

5.
9/2015
Hansen, C. J.; Ludwig, H. -G. et al. (inc. Christlieb, N.; Koch, A.; Seifert, W.)
Stellar science from a blue wavelength range. A possible design for the blue arm of 4MOST
AN 336, 665(2015)

4.
1/2012
Bik, A.; Henning, Th. et al. (inc. Seifert, W.; Pasquali, A.)
Age Spread in W3 Main: Large Binocular Telescope/LUCI Near-infrared Spectroscopy of the Massive Stellar Content
ApJ 744, 87(2012)

3.
12/2011
Assef, R. J.; Denney, K. D. et al. (inc. Seifert, W.; Quirrenbach, A.; Mueller, P.; Mandel, H.; Germeroth, A.; Feiz, C.)
Black Hole Mass Estimates Based on C IV are Consistent with Those Based on the Balmer Lines
ApJ 742, 93(2011)

2.
3/2011
Fuhrmann, K.; Chini, R. et al. (inc. Stahl, O.; Seifert, W.)
BESO échelle spectroscopy of solar-type stars at Cerro Armazones
MNRAS 411, 2311(2011)

1.
12/2010
Bian, Fuyan; Fan, Xiaohui et al. (inc. Seifert, Walter)
LBT/LUCIFER Observations of the z ~ 2 Lensed Galaxy J0900+2234
ApJ 725, 1877(2010)

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