• Thumbnail for NGC 6397
    NGC 6397 (also known as Caldwell 86) is a globular cluster in the constellation Ara that was discovered by French astronomer Nicolas-Louis de Lacaille...
    11 KB (1,085 words) - 03:26, 22 July 2024
  • Thumbnail for Star
    hydrogen in the core; stars just above this limit have been located in the NGC 6397 cluster. The faintest red dwarfs in the cluster are absolute magnitude...
    147 KB (16,412 words) - 12:11, 7 September 2024
  • This is a list of NGC objects 6001–7000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...
    38 KB (226 words) - 02:20, 29 September 2024
  • Thumbnail for Blue straggler
    2010-01-18. Nemiroff, R.; Bonnell, J., eds. (2000-06-22). "Blue Stragglers in NGC 6397". Astronomy Picture of the Day. NASA. Retrieved 2010-01-18. Casagrande...
    13 KB (1,501 words) - 07:37, 2 September 2024
  • Thumbnail for Ara (constellation)
    photographs. NGC 6200 NGC 6204 NGC 6208 NGC 6250 NGC 6253 IC 4651 NGC 6352 NGC 6362 NGC 6397 is a globular cluster with an overall magnitude of 6.0; it is...
    29 KB (3,232 words) - 08:08, 7 October 2024
  • Thumbnail for Caldwell catalogue
    objects, such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier catalogue was actually compiled...
    33 KB (740 words) - 00:17, 23 August 2024
  • Thumbnail for C/2021 T4 (Lemmon)
    declination, at -56 degrees. On 25 July it passed next to the globular cluster NGC 6397. It reached perihelion on 31 July 2023 at a solar distance of 1.48 AU....
    3 KB (231 words) - 15:23, 26 December 2023
  • Thumbnail for New General Catalogue
    of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects...
    13 KB (1,534 words) - 17:10, 7 September 2024
  • powering wearable electronics. 11 February The core of globular cluster NGC 6397 is found to contain a dense concentration of compact remnants (white dwarfs...
    139 KB (13,101 words) - 00:50, 25 September 2024
  • galaxies. List of NGC objects (1–1000) List of NGC objects (1001–2000) List of NGC objects (2001–3000) List of NGC objects (3001–4000) List of NGC objects (4001–5000)...
    2 KB (210 words) - 15:56, 3 July 2024
  • Thumbnail for Cosmological lithium problem
    or accumulate as the star ages. Spectroscopic observations of stars in NGC 6397, a metal-poor globular cluster, are consistent with an inverse relation...
    26 KB (2,483 words) - 20:27, 11 September 2024
  • Standard C programming language released in 1986 for ANSI C Caldwell 86 (NGC 6397), a globular cluster in the constellation Ara ARM Hermenegildo Galeana (C86)...
    1 KB (190 words) - 16:18, 12 March 2022
  • Thumbnail for Very Large Telescope
    astronomers have also estimated the age of extremely old stars in the NGC 6397 cluster. Based on stellar evolution models, two stars were found to be...
    56 KB (5,484 words) - 13:49, 17 October 2024
  • Thumbnail for NGC 3201
    graveyards: clustering of compact objects in globular clusters NGC 3201 and NGC 6397", Monthly Notices of the Royal Astronomical Society, 514 (1): 806...
    11 KB (983 words) - 15:52, 5 September 2024
  • Thumbnail for Globular cluster
    Herschel. The French astronomer Abbé Lacaille listed NGC 104, NGC 4833, M 55, M 69, and NGC 6397 in his 1751–1752 catalogue. The low resolution of early...
    105 KB (11,849 words) - 02:23, 10 October 2024
  • Thumbnail for List of globular clusters
    Bibcode:2013ApJ...767..101B. doi:10.1088/0004-637X/767/2/101. S2CID 73653979. "NGC 1841". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 16...
    87 KB (2,736 words) - 18:24, 17 October 2024
  • Thumbnail for NGC 6357
    NGC 6357 is a diffuse nebula near NGC 6334 in the constellation Scorpius. The nebula contains many proto-stars shielded by dark discs of gas, and young...
    11 KB (747 words) - 16:51, 11 September 2024
  • Thumbnail for Luigi Rolly Bedin
    globular clusters, it detected excess infrared emission among white dwarfs in NGC 6397, a potential indication of destroyed ancient planetary systems and possible...
    16 KB (1,519 words) - 01:19, 30 August 2024
  • cluster NGC 3201 is shown to harbor a sub-cluster of nearly a hundred black holes. The same study also confirms that the globular cluster NGC 6397 has ejected...
    542 KB (49,157 words) - 06:20, 12 October 2024
  • Thumbnail for NGC 6051
    NGC 6051 is a giant elliptical galaxy located in the constellation of Serpens. The galaxy lies 453 million light-years from Earth, which means given its...
    11 KB (1,097 words) - 04:19, 16 September 2024
  • Thumbnail for NGC 6365
    NGC 6365A and NGC 6365B. This pair of galaxies was discovered by German astronomer Lewis Swift in 1884. NGC 6563A is the northern counterpart of NGC 6563...
    6 KB (631 words) - 22:28, 5 September 2024
  • Thumbnail for NGC 6122
    NGC 6122 is a spiral galaxy located around 484 million light-years away in the constellation Corona Borealis. NGC 6122 was discovered on May 6, 1886 by...
    3 KB (186 words) - 19:20, 19 August 2024
  • Thumbnail for NGC 6166
    NGC 6166 is an elliptical galaxy in the Abell 2199 cluster. It lies 490 million light years away in the constellation Hercules. The primary galaxy in...
    6 KB (562 words) - 13:11, 7 September 2024
  • Thumbnail for NGC 6331
    NGC 6331 is a type E elliptical galaxy located in the Ursa Minor constellation. It is located 737 million light-years from the Solar System and was discovered...
    4 KB (250 words) - 06:02, 21 August 2024
  • Thumbnail for Melotte catalogue
    2020-06-26. "ngc 1857". sim-id. Retrieved 2020-06-26. "ngc 2192". sim-id. Retrieved 2020-06-26. "ngc 2215". sim-id. Retrieved 2020-06-26. "ngc 2243". sim-id...
    37 KB (344 words) - 00:25, 23 May 2023
  • Thumbnail for Messier 7
    Messier 7 (redirect from NGC 6475)
    Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, is an open cluster of stars in the constellation of Scorpius. The...
    7 KB (635 words) - 00:39, 22 July 2024
  • Thumbnail for Luminous blue variable
    the Evolution of Massive Stars". Science. 337 (6093): 444–6. arXiv:1207.6397. Bibcode:2012Sci...337..444S. doi:10.1126/science.1223344. PMID 22837522...
    39 KB (4,826 words) - 08:01, 1 September 2024
  • Thumbnail for Messier 13
    Messier 13 (redirect from NGC 6205)
    Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules, the Hercules Globular Cluster, or the Great Hercules...
    15 KB (1,510 words) - 15:22, 16 September 2024
  • Thumbnail for NGC 6231
    NGC 6231 (also known as Caldwell 76 or the Baby Scorpion Cluster) is an open cluster in the southern sky located half a degrees north of Zeta Scorpii...
    8 KB (791 words) - 12:27, 11 June 2024
  • Thumbnail for Messier 4
    Messier 4 (redirect from NGC 6121)
    Messier 4 or M4 (also known as NGC 6121 or the Spider Globular Cluster) is a globular cluster in the constellation of Scorpius. It was discovered by Philippe...
    12 KB (1,213 words) - 02:22, 10 October 2024