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The Astrophysical Journal (ApJ [1]) is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler. The journal discontinued its print edition and became an electronic-only journal in 2015.
Astronomy Letters; Astronomy Reports; Astroparticle Physics; The Astrophysical Journal; The Astrophysical Journal Letters; The Planetary Science Journal; The Astrophysical Journal Supplement Series; Astrophysics, a translation of the peer-reviewed Russian-language journal Astrofizika; Astrophysics and Space Science
Astronomy & Astrophysics (A&A) [1] is a monthly peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.It is operated by an editorial team under the supervision of a board of directors representing 27 sponsoring countries plus a representative of the European Southern Observatory.
Name Mass (M ☉) Distance ()Companion class Mass determination method Notes Refs. PSR J1748-2021B: 2.548 +0.047 −0.078: 27,700: D: Rate of advance of periastron.: In globular cluster NGC 6440.
The other two publications of the society, the Astrophysical Journal and its supplement series, followed in January 2009. [2] The journal was established in 1849 by Benjamin A. Gould. It ceased publication in 1861 due to the American Civil War, but resumed in 1885. Between 1909 and 1941 the journal was edited in Albany, New York.
List of most distant individually seen stars Star Redshift Distance () Discovery Notes WHL0137-LS (Earendel) : 6.2 ± 0.1 [1]: 8,600 2022 The most distant known star as of 2023. ...
GRB 221009A was an extraordinarily bright and very energetic gamma-ray burst (GRB) jointly discovered by the Neil Gehrels Swift Observatory and the Fermi Gamma-ray Space Telescope on October 9, 2022.
K2-18 is an M dwarf of the spectral class M3V [4] in the constellation Leo, [5] 38.025 ± 0.079 parsecs (124.02 ± 0.26 ly) away from the Sun. [1] The star is colder and smaller than the Sun, having a temperature of 3,457 K (3,184 °C; 5,763 °F) and a radius 45% of the Sun's, [6] and is not visible to the naked eye. [7]