THE MISSING PLANETS.

Authors: TYLER, DAKOTAH (AUTHOR)

Source: Scientific American. Mar2025, Vol. 332 Issue 3, p40-47. 8p. 1 Color Photograph, 1 Diagram.

Subjects: STELLAR radiation, SOLAR system, PLANETARY science, STARS, STELLAR atmospheres, STELLAR activity, EXTRASOLAR planets

High-resolution spectroscopy of the variable hot post-AGB star LS 4331 (IRAS 17381−1616).

Authors: Ikonnikova, Natalia P.¹ (AUTHOR), Parthasarathy, Mudumba² (AUTHOR) m-partha@hotmail.com, Shaposhnikov, Ivan A.^1,3 (AUTHOR), Hubrig, Swetlana⁴ (AUTHOR), Sarkar, Geetanjali⁵ (AUTHOR)

Source: Journal of Astrophysics & Astronomy. 9/21/2024, Vol. 45 Issue 2, p1-19. 19p.

Subject Terms: *STELLAR atmospheres, *PLASMA diagnostics, *STARS, *OPTICAL spectra, *MOLECULAR spectra

Observations of the Ultraviolet-bright Star III-60 in the Globular Cluster NGC 6723.

Authors: Dixon, William V.¹ (AUTHOR) dixon@stsci.edu

Source: Astrophysical Journal. 2/10/2025, Vol. 980 Issue 1, p1-11. 11p.

Subject Terms: *STELLAR atmospheres, *STELLAR evolution, *STELLAR winds, *STARS, *ULTRAVIOLET spectroscopy

Comparison of observed vertical stratifications of iron in blue horizontal-branch stars to those predicted by atomic diffusion.

Authors: LeBlanc, F¹ (AUTHOR), Alecian, G² (AUTHOR), Stift, M J³ (AUTHOR), Khalack, V¹ (AUTHOR)

Source: Monthly Notices of the Royal Astronomical Society. Feb2025, Vol. 536 Issue 4, p3739-3744. 6p.

Subject Terms: *STELLAR atmospheres, *IRON, *ATMOSPHERE

Evaluating Promethium Abundance in the Atmospheres of Magnetically Peculiar Star HD 25 354.

Authors: Yushchenko, V. A.^1,2 (AUTHOR) vladimiryushchenko@gmail.com, Gopka, V. F.² (AUTHOR), Yushchenko, A. V.³ (AUTHOR), Pavlenko, Ya. V.¹ (AUTHOR), Shavrina, A. V.¹ (AUTHOR), Musaev, F.⁴ (AUTHOR), Demessinova, A.⁵ (AUTHOR)

Source: Kinematics & Physics of Celestial Bodies. Feb2025, Vol. 41 Issue 1, p26-33. 8p.

Subject Terms: *STELLAR atmospheres, *NUCLEAR reactions, *RADIOACTIVE elements, *SIGNAL-to-noise ratio, *DATABASES

Investigation of oscillations above the acoustic cut-off frequency for a sample of Kepler stars. I. Methodology for detecting stellar pseudo-modes.

Authors: Millson, L J¹ (AUTHOR), Broomhall, A-M¹ (AUTHOR), Santos, A R G^2,3 (AUTHOR), Kiefer, R⁴ (AUTHOR)

Source: Monthly Notices of the Royal Astronomical Society. Jan2025, Vol. 536 Issue 3, p3007-3015. 9p.

Subject Terms: *STELLAR oscillations, *STELLAR atmospheres, *SOLAR spectra, *STELLAR magnetic fields, *STARS

ExoMol line lists – LXV. Mid-infrared rovibronic spectroscopy of isotopologues of NiH.

Authors: Batrakov, Kirill¹, Yurchenko, Sergei N¹, Owens, Alec¹, Tennyson, Jonathan¹, Mitrushchenkov, Alexander², Ross, Amanda J³, Crozet, Patrick³, Pashov, Asen⁴

Source: Monthly Notices of the Royal Astronomical Society; Jan2025, Vol. 536 Issue 3, p2572-2580, 9p

Magnetic interaction of stellar coronal mass ejections with close-in exoplanets: implication on planetary mass-loss and Ly α transits.

Authors: Hazra, Gopal^1,2, Vidotto, Aline A², Carolan, Stephen³, Villarreal D'Angelo, Carolina⁴, Ó Fionnagáin, Dúalta⁵

Source: Monthly Notices of the Royal Astronomical Society; Jan2025, Vol. 536 Issue 2, p1089-1103, 15p

The relation between the ADF and the ionized nebular mass in PNe.

Authors: Peña, Miriam^1,2 (AUTHOR), Ruiz-Escobedo, Francisco¹ (AUTHOR), Juárez Torres, Brenda N² (AUTHOR)

Source: Monthly Notices of the Royal Astronomical Society. Dec2024, Vol. 535 Issue 4, p3525-3542. 18p.

Subject Terms: *STELLAR atmospheres, *BINARY stars, *ELECTRON density, *ASYMPTOTIC giant branch stars, *PLANETARY mass, *PLANETARY nebulae

A simple model for spectroscopic analyses of active stars.

Authors: Nordlander, T^1,2 (AUTHOR) Thomas.Nordlander@anu.edu.au, Baratella, M³ (AUTHOR), Spina, L^2,4,5 (AUTHOR), D'Orazi, V^5,6 (AUTHOR)

Source: Monthly Notices of the Royal Astronomical Society. Dec2024, Vol. 535 Issue 3, p2863-2872. 10p.

Subject Terms: *STELLAR atmospheres, *STELLAR magnetic fields, *COOL stars (Astronomy), *SOLAR spectra, *SUNSPOTS

BD+44°493: Chemo-dynamical Analysis and Constraints on Companion Planetary Masses from WIYN/NEID Spectroscopy.

Authors: Placco, Vinicius M.¹ (AUTHOR) vinicius.placco@noirlab.edu, Gupta, Arvind F.¹ (AUTHOR), Almeida-Fernandes, Felipe^2,3 (AUTHOR), Logsdon, Sarah E.¹ (AUTHOR), Rajagopal, Jayadev¹ (AUTHOR), Holmbeck, Erika M.^4,5 (AUTHOR), Roederer, Ian U.^5,6 (AUTHOR), Della Costa, John¹ (AUTHOR), Fernandez, Pipa¹ (AUTHOR), Golub, Eli¹ (AUTHOR), Higuera, Jesus¹ (AUTHOR), Patel, Yatrik¹ (AUTHOR), Ridgway, Susan¹ (AUTHOR), Schweiker, Heidi¹ (AUTHOR)

Source: Astrophysical Journal. 12/10/2024, Vol. 977 Issue 1, p1-19. 19p.

Subject Terms: *STELLAR atmospheres, *STELLAR mass, *STELLAR populations, *STARS, *RADIAL velocity of stars

Molecular line lists for the singlet states in gaseous YN at high temperature.

Authors: Farhat, Ayman¹, ayman.farhat@liu.edu.lb, Hammoud, Sami¹, Sami.Hammoud@liu.edu.lb

Source: Monthly Notices of the Royal Astronomical Society; 11/30/2024, Vol. 535 Issue 1, p575-587, 13p

A regularization technique to precisely infer limb darkening using transit measurements: can we estimate stellar surface magnetic fields?

Authors: Verma, Kuldeep¹ (AUTHOR) kuldeepv89@gmail.com, Maxted, Pierre F L² (AUTHOR) p.maxted@keele.ac.uk, Singh, Anjali¹ (AUTHOR) anjalisingh.rs.phy23@itbhu.ac.in, Ludwig, H -G³ (AUTHOR), Sable, Yashwardhan¹ (AUTHOR)

Source: Monthly Notices of the Royal Astronomical Society. Nov2024, Vol. 534 Issue 4, p3893-3905. 13p.

Subject Terms: *STELLAR magnetic fields, *STELLAR atmospheres, *LIGHT curves, *NATURAL satellites, *MAGNETIC fields

Modelling stellar irradiances I: the transition regions of FGKM stars.

Authors: Deliporanidou, E¹ (AUTHOR) ed650@cam.ac.uk, Del Zanna, G^1,2 (AUTHOR)

Source: Monthly Notices of the Royal Astronomical Society. Nov2024, Vol. 534 Issue 4, p3989-3998. 10p.

Subject Terms: *STELLAR atmospheres, *ALPHA Centauri, *SOLAR atmosphere, *STARS, *SPECTRAL lines

Chemical abundances of 20 barium stars from the OHP spectra.

Authors: Yang, Guochao^1,2 (AUTHOR), Zhao, Jingkun² (AUTHOR) zjk@bao.ac.cn, Liang, Yanchun² (AUTHOR) ycliang@nao.cas.cn, Spite, Monique³ (AUTHOR), Spite, Francois³ (AUTHOR), Shi, Jianrong^2,4 (AUTHOR), Liu, Shuai² (AUTHOR), Liu, Nian¹ (AUTHOR), Cui, Wenyuan⁵ (AUTHOR), Zhao, Gang² (AUTHOR)

Source: Monthly Notices of the Royal Astronomical Society. Nov2024, Vol. 534 Issue 4, p3104-3119. 16p.

Subject Terms: *ASYMPTOTIC giant branch stars, *STELLAR atmospheres, *LIGHT metals, *BARIUM

Chemical Evolution of R-process Elements in Stars (CERES): II. The impact of stellar evolution and rotation on light and heavy elements.

Authors: Fernandes de Melo, Raphaela¹ (AUTHOR) FernandesdeMelo@physik.uni-frankfurt.de, Lombardo, Linda¹ (AUTHOR), Alencastro Puls, Arthur¹ (AUTHOR), Romano, Donatella² (AUTHOR), Hansen, Camilla Juul¹ (AUTHOR), Tsiatsiou, Sophie³ (AUTHOR), Meynet, Georges³ (AUTHOR)

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2024, Vol. 691, p1-19. 19p.

Subject Terms: *STELLAR rotation, *STELLAR atmospheres, *STELLAR evolution, *STELLAR populations, *LOCAL thermodynamic equilibrium

High-resolution spectroscopy of detached eclipsing binaries during total eclipses.

Authors: Hełminiak, K. G.¹ (AUTHOR) xysiek@ncac.torun.pl, Olszewska, J. M.² (AUTHOR), Puciata-Mroczynska, M.³ (AUTHOR), Pawar, T.¹ (AUTHOR)

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2024, Vol. 691, p1-22. 22p.

Subject Terms: *STELLAR atmospheres, *DATA release, *SPECTROMETRY, *AGE

An analysis of spectroscopic, seismological, astrometric, and photometric masses of pulsating white dwarf stars.

Authors: Calcaferro, Leila M.^1,2 (AUTHOR) acorsico@fcaglp.unlp.edu.ar, Córsico, Alejandro H.^1,2 (AUTHOR), Uzundag, Murat³ (AUTHOR), Althaus, Leandro G.^1,2 (AUTHOR), Kepler, S. O.⁴ (AUTHOR), Werner, Klaus⁵ (AUTHOR)

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2024, Vol. 691, p1-24. 24p.

Subject Terms: *STELLAR oscillations, *STELLAR atmospheres, *STELLAR evolution, *STELLAR mass, *SUPERGIANT stars, *WHITE dwarf stars

Optimised use of interferometry, spectroscopy, and stellar atmosphere models for determining the fundamental parameters of stars.

Authors: Ebrahimkutty, N.¹ (AUTHOR) nayeem.ebrahimkutty@oca.eu, Gent, M. R.^2,3 (AUTHOR), Mourard, D.¹ (AUTHOR), Domiciano de Souza, A.¹ (AUTHOR), Bergemann, M.^2,4 (AUTHOR), Morel, T.⁵ (AUTHOR), Morello, G.^6,7 (AUTHOR), Nardetto, N.¹ (AUTHOR), Plez, B.⁸ (AUTHOR)

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2024, Vol. 691, p1-11. 11p.

Subject Terms: *ARTIFICIAL neural networks, *STELLAR atmospheres, *TEMPERATURE of stars, *STARS, *ATMOSPHERIC models

X-ray polarization signatures in bombarded magnetar atmospheres.

Authors: Kelly, Ruth M E¹ (AUTHOR) ruth.kelly.22@ucl.ac.uk, González-Caniulef, Denis² (AUTHOR), Zane, Silvia¹ (AUTHOR), Turolla, Roberto^1,3 (AUTHOR), Taverna, Roberto³ (AUTHOR)

Source: Monthly Notices of the Royal Astronomical Society. Oct2024, Vol. 534 Issue 2, p1355-1363. 9p.

Subject Terms: *STELLAR atmospheres, *RADIATIVE transfer, *NEUTRON stars, *COLLISIONS (Nuclear physics), *SOFT X rays