Planets around evolved stars.

The survey.

Motivation and current status of the project - Wolszczan (2007), Niedzielski and Wolszczan 2008, (preprint), Niedzielski et al. (2011), Niedzielski et al. (2012).

Our sample.

1000 stars at various evolutionary stages:

Red Clump Giants. Stellar parameters and absolute radial velocities for 348 stars - Zieliński et al. (2012). Lithium and α-elements abundances, rotation velocities - Adamów et al. (2014). Updated masses, luminosities, ages and radii for 342 star - Adamczyk et al. (2016).

Subgaints and Giants. Stellar parameters, absolute radial velocities, masses, ages, luminosities and radii for 402 stars and presentation of the complete Evolved Stars Sample of 744 stars - Niedzielski et al. (2016a) (see also Corrigendum).

Dwarfs (156 stars) and the complete sample (885 stars). Stellar parameters - Deka-Szymankiewicz, Niedzielski et al. (2018).

Telescopes.

The Hobby-Eberly Telescope (HET) and High Resolution Sepctrograph (HRS).

Telescopio Nazionale Galileo (TNG) and Harps-N.

Results.

HD 17092 b, a 4.6 Jupiter Mass companion to K0III star HD 17092 - Niedzielski et al. (2007).

HD 102272 b,c - 5.9 and 2.6 Jupiter Mass companions to K0III star HD 102272 - Niedzielski et al.(2009a).

BD +14 4559 b, a 1.5 Jupiter Mass companion to K2 dwarf; HD 240210 b, a 6.9 Jupiter Mass companion to K3 III star and BD +20 2457 b,c - substellar mass (21.4 and 12.5 Jupiter Mass) companions to K2 II star - Niedzielski et al.(2009b).

HD 240237 b, a 5.3 Jupiter Mass companion to K2 giant; BD+48 738 b, a 0.9 Jupiter Mass companion to K0 giant and HD 96127 b, a 4.0 Jupiter Mass companions to K2 giant - Gettel et al.(2012 a).

BD+20 274 b, a 4.2 Jupiter Mass companion to a K5 giant and HD 219415 b, a Jupiter Mass companion in a 5.7-year, eccentric orbit around K0 giant, the longest period planet yet detected by our survey Gettel et al.(2012 b).

BD+48 740—Li Overabundant Giant Star with a Planet: A Case of Recent Engulfment? - Adamów et al.(2012).

BD+15 2940 b, a 1.1 Jupiter Mass companion to a K0 giant in 0.54 AU orbit, HD 233604 b, a 6.6 Jupiter Mass companion to a 1.5 Solar mas K5 giant in 0.75 AU orbit and independant confirmation of HD 209458 b and HD 88133 b Nowak et al.(2013).

TYC 1422-614-1 b and c: two planets (2.5 Jupier Mass in 0.69 AU and 10 Jupiter Mass in 1.37 AU) around a K giant Niedzielski et al.(2015a).

Three new red giants with planets: BD+49 828 hosts a 1.6 Jupiter Mass companion at 4.2 AU (e=0.35); HD 55127 has a 5.01 Jupiter Mass companion in 1.28 AU and e=0.11 orbit and HD 216536 hosts a 1.47 Jupiter Mass companion at 0.609 AU (e=0.38) orbit Niedzielski et al.(2015b).

Super Li-rich giant HD 107028 has no companion - Adamów et al.(2015).

HD 5583 and BD+15 2375 - two cool giants with warm companions - Niedzielski et al.(2016b).

TYC 3667-1280-1: The most massive red giant star hosting a warm Jupiter - Niedzielski et al.(2016d).

A Massive Jupiter orbiting the very low metallicity giant star BD+03 2562 and a possible planet around HD 103485 - Villaver, Niedzielski et al.(2017).

HD 238914 and TYC 3318-01333-1 - two more Li-rich giants with planets (and two candidates: TYC 3663-01966-1 and TYC 3105-00152-1) - Adamów, Niedzielski et al.(2018).

Elder suns with low-mass companions - Niedzielski et al.(2021).

HD 17092 b Revisited - Adamów, Niedzielski et al.(2022).

In the media.

Aktualności UMK May 24, 2007; Nauka w Polsce May 31, 2007; Science Daily Aug. 2, 2007; PennState Live Aug. 3, 2007; Nauka w Polsce Aug. 14, 2007; Aktualności UMK Nov. 6, 2008; Nauka w Polsce Nov. 17, 2008; Science Daily Nov. 18, 2008; PennState Live Nov. 25, 2008; Aktualności UMK Feb. 16, 2009; PennState Live Dec. 21, 2009; Science Daily Dec. 22, 2009; PennState Live Oct. 27, 2011; Science Daily Oct. 27, 2011; Aktualności UMK Oct. 29, 2011; Nauka w Polsce Nov. 21, 2011; Nauka w Polsce Jan. 23, 2012. PennState Live Aug.20, 2012. Science Daily Aug.20, 2012. Rzeczpospolita Aug.21, 2012. BBC Aug. 21, 2012. Science Aug. 21, 2012. El Pais Aug. 21, 2012. NBC Aug.21, 2012. El Mundo Aug.22, 2012. Daily Mail Aug.22, 2012. Nauka w Polsce Aug.23, 2012. Gazeta Wyborcza Aug.23, 2012. NASA Science Oct.25, 2012. Nauka w Polsce, Jan. 18, 2015. Astronarium 22, Apr. 22, 2016. Polska Agencja Prasowa, Apr. 26, 2016. TVP Info, Apr. 26, 2016. Gazeta Wyborcza, Apr. 26, 2016. Nauka w Polsce, Apr. 27, 2016. Nauka w Polsce, Dec. 17, 2019.

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