Results 61 to 70 of about 44,112 (114)

Infrared Model Spectra for Evolving Red Supergiants [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1993
The space and ground based infrared spectra of red supergiants are modeled and arranged in order of their evolutionary status with their theoretical model parameters. The chemical compositions of the dust shells around red supergiants are affected by the
Kyung-Won Suh
doaj  

A Vidrà (991 m.)

open access: yes, 1975
BoItinerari: Vidrà (991 m.) – Santa Maria de Besora – El Pla – Castell de Besora (1.092m.) – Santa Maria de Besora (880 m.) – Sant Quirze de ...
José Guiu, Camil, 1937-1991
core  

Rescue 991: The Malaysian Civil Defence Emergency System / Siti Azrin Abdul Aziz [PDF]

open access: yes, 2001
The Rescue 991 Emergency Line has emerged since a few year back and has been reserved for the use of The Civil Defence Force of Malaysia, which was first brought forth in the year 1952.
Siti Azrin, Abdul Aziz
core  

Ueber den Einfluss das Airols auf die Bacterien. (Wratsch, 1896, No. 36, S. 991)

open access: yes, 1900
UEBER DEN EINFLUSS DAS AIROLS AUF DIE BACTERIEN. (WRATSCH, 1896, NO. 36, S. 991) Le Physiologiste Russe (-) Le Physiologiste Russe (2) (a0005) Ueber den Einfluss das Airols auf die Bacterien. (Wratsch, 1896, No. 36, S.
Andriuschtschenko, E.
core   +2 more sources

Chrześcijanin jako penitent (kanony 987-991) [PDF]

open access: yes, 1996
In articulo proemium quinque partes, conclusio et argumentum lingua latina exaratum habentur. In proemio duo auctor dicit, nempe: I. Thema huius articuli canones 987-991 Codicis Juris Canonici Papae Joannis Pauli II sunt. II.
Pastuszko, Marian
core   +3 more sources

The TESS-Keck Survey. XVIII. A Sub-Neptune and Spurious Long-period Signal in the TOI-1751 System

open access: yesThe Astronomical Journal
We present and confirm TOI-1751 b, a transiting sub-Neptune orbiting a slightly evolved, solar-type, metal-poor star ( T _eff = 5996 ± 110 K, $\mathrm{log}(g)=4.2\pm 0.1$ , V = 9.3 mag, [Fe/H] = −0.40 ± 0.06 dex) every 37.47 days.
Anmol Desai   +39 more
doaj   +1 more source

Lunar Boulder Fields as Indicators of Recent Tectonic Activity

open access: yesThe Planetary Science Journal
Wrinkle ridges are the predominant tectonic structure on the nearside lunar maria. Although lunar wrinkle ridge formation began as early as ∼3.9–4.0 Ga, recent investigations have identified wrinkle ridges in the lunar maria that were tectonically active
Cole Nypaver   +10 more
doaj   +1 more source

Exploring NGC 2345: A Comprehensive Study of a Young Open Cluster through Photometric and Kinematic Analysis

open access: yesThe Astronomical Journal
We conducted a photometric and kinematic analysis of the young open cluster NGC 2345 using CCD UBV data from 2 m Himalayan Chandra Telescope, Gaia Data Release 3, Two Micron All-Sky Survey, and the Photometric All-Sky Survey data sets. We found 1732 most
Kuldeep Belwal   +7 more
doaj   +1 more source

The Reflection Effect on the Eclipsing Binary by the Wilson and Devinney's Model and Russell and Merrill's Model [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1992
The reflection effect on three types of eclipsing binaries has been analyzed Wilson and Devinney's model and Russell and Merrill's model. The reflection effect was displayed on the theoretical light curves for the various conditions using the Wilson and ...
Seong Hee Choea, Young Woon Kang
doaj  

High-resolution Spectroscopic Analysis of Four Unevolved Barium Stars

open access: yesThe Astronomical Journal
A classical local thermodynamic equilibrium analysis, based on high-resolution spectroscopic data, is performed for a sample of three potential barium dwarf candidates and one star already recognized as such.
M. P. Roriz   +6 more
doaj   +1 more source

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