• Thumbnail for M31-RV
    M31-RV is a possible red cataclysmic variable star located in the Andromeda Galaxy (M31) that experienced an outburst in 1988, which was similar to the...
    5 KB (395 words) - 14:58, 10 October 2024
  • Thumbnail for V838 Monocerotis
    star was detected erupting in the Andromeda Galaxy. The star, designated M31-RV, reached the absolute bolometric magnitude of −9.95 at maximum (corresponding...
    31 KB (3,161 words) - 01:00, 28 August 2024
  • Thumbnail for M101 OT2015-1
    exploding variables which is known since 1988 when such a star (M31-RV) appeared in the M31 galaxy. M101 OT2015-1 was discovered on February 10, 2015 by...
    8 KB (644 words) - 06:02, 17 August 2024
  • Thumbnail for Luminous red nova
    red novae have been observed over the last 30 years or so. The red star M31 RV in the Andromeda Galaxy flared brightly during 1988 and may have been a...
    8 KB (939 words) - 20:35, 9 August 2024
  • Thumbnail for Common envelope
    ejection of the whole envelope. V1309 Scorpii, a possible star merger. M31 RV V838 Monocerotis Ou 5, a planetary nebula whose progenitor was a common...
    10 KB (1,104 words) - 18:20, 25 February 2024
  • retrospective inferences have also identified potential red novae like M31 RV that are outside of the Milky Way, including M31LRN 2015, M85 OT2006, NGC300OT2008...
    14 KB (1,649 words) - 01:34, 19 July 2024
  • Thumbnail for AF Andromedae
    typically 50–120 M☉. Astronomy portal List of Andromeda's satellite galaxies M31-RV Joshi, Yogesh C.; Sharma, Kaushal; Gangopadhyay, Anjasha; Gokhale, Rishikesh;...
    10 KB (974 words) - 22:24, 12 August 2024
  • Thumbnail for AE Andromedae
    typically 50–120 M☉. Astronomy portal List of Andromeda's satellite galaxies M31-RV Soraisam, Monika D.; Bildsten, Lars; Drout, Maria R.; Prince, Thomas A.;...
    10 KB (1,083 words) - 15:37, 20 September 2023
  • Thumbnail for Donatiello I
    dwarf spheroidal galaxy, similar to the known companions of the Milky Way or M31." Berke 2018, "It appears to be a dwarf spheroidal galaxy that is no longer...
    19 KB (2,264 words) - 13:38, 17 September 2024
  • Thumbnail for Arnold Field (Tennessee)
    II use of the airport, see Dyersburg Army Air Base Arnold Field (FAA LID: M31) is a municipal public-use airport located two miles (3 km) northwest of...
    5 KB (553 words) - 18:23, 12 January 2024
  • the first known case of a luminous red novae variable, the star RV in the bulge of M31. Rich received a Dudley Observatory Career Development Award (1988)...
    17 KB (1,747 words) - 21:53, 10 August 2024
  • Thumbnail for List of Suzuki motorcycles
    Suzuki RV/VanVan series Dual-sport/off-road RV 50 VanVan 50 Dual-sport/off-road RV 75 75 Dual-sport/off-road RV 90 Rover 90 Dual-sport/off-road RV 125 VanVan...
    17 KB (25 words) - 09:58, 1 June 2024
  • Thumbnail for Milky Way
    Way's structure. With the discovery that the disk of the Andromeda Galaxy (M31) extends much farther than previously thought, the possibility of the disk...
    216 KB (21,677 words) - 04:51, 28 October 2024
  • Thumbnail for Yellow supergiant
    stars, much less common than red supergiants and main sequence stars. In M31 (Andromeda Galaxy), 16 yellow supergiants are seen associated with evolution...
    20 KB (2,525 words) - 14:33, 1 October 2024
  • 1/2-ton, amphibious (G179) M30 cargo carrier (G158) based on M4 Sherman M31 tank recovery vehicle (M3 Grant) M32 recovery vehicle (M4 Sherman) M32A1...
    78 KB (10,444 words) - 21:28, 18 October 2024
  • Thumbnail for QinetiQ Banshee
    MA-31 MSDM NCADE NLOS OpFires PrSM Senior Prom Sprint Wagtail M30 GMLRS/M31 GMLRS-U GLSDB See also: United States tri-service rocket designations post-1963...
    16 KB (1,374 words) - 12:37, 1 September 2024
  • Thumbnail for Future of an expanding universe
    S2CID 59065632. van der Marel, G.; et al. (2012). "The M31 Velocity Vector. III. Future Milky Way M31-M33 Orbital Evolution, Merging, and Fate of the Sun"...
    52 KB (5,660 words) - 21:13, 8 November 2024
  • Thumbnail for Kardashev scale
    galactic centers, both of the Milky Way and of neighboring galaxies (such as M31, M33), according to a procedure similar to that of the first scenario. The...
    140 KB (16,699 words) - 07:03, 8 November 2024
  • MA-31 MSDM NCADE NLOS OpFires PrSM Senior Prom Sprint Wagtail M30 GMLRS/M31 GMLRS-U GLSDB See also: United States tri-service rocket designations post-1963...
    34 KB (4,377 words) - 07:30, 10 November 2024
  • Thumbnail for List of stellar streams
    et al. (10 August 2004). "A New Giant Stellar Structure in the Outer Halo of M31". The Astrophysical Journal. 612 (2): L117–L120. arXiv:astro-ph/0401098....
    26 KB (1,942 words) - 10:45, 19 August 2024
  • January 2018. Retrieved 13 September 2024. ... derive the total potential of M31, estimating the virial mass and radius of the galaxy to be 0.8 ± 0.1 × 10^12 M⊙...
    140 KB (9,736 words) - 22:00, 31 October 2024
  • Thumbnail for Intermediate-mass black hole
    claimed detections has stood up to scrutiny. For instance, the data for M31 G1, the object shown in the figure, can be fit equally well without a massive...
    26 KB (3,035 words) - 02:21, 10 October 2024
  • Thumbnail for Redshift
    Publishers. pp. 122–3. ISBN 978-0-7637-0810-8. Woodhouse, Chris (2017-12-04). "M31 (Andromeda Galaxy)". The Astrophotography Manual (2nd ed.). Routledge. pp...
    87 KB (9,312 words) - 14:47, 4 November 2024
  • Thumbnail for Supermassive black hole
    handful of galaxies; these include the Milky Way, the Local Group galaxies M31 and M32, and a few galaxies beyond the Local Group, such as NGC 4395. In...
    104 KB (11,045 words) - 15:01, 18 October 2024
  • Thumbnail for Galaxy rotation curve
    was published in 1957 by Henk van de Hulst and collaborators, who studied M31 with the newly commissioned Dwingeloo 25 meter telescope. A companion paper...
    34 KB (4,240 words) - 08:58, 28 October 2024
  • Thumbnail for Cepheid variable
    Baade's seminal discovery led to a twofold increase in the distance to M31, and the extragalactic distance scale. RR Lyrae stars, then known as Cluster...
    38 KB (4,299 words) - 06:07, 13 October 2024
  • Thumbnail for Time in physics
    Review. 28 (6). American Physical Society (APS): 1049–1070. Bibcode:1926PhRv...28.1049S. doi:10.1103/physrev.28.1049. ISSN 0031-899X. A Brief History of...
    44 KB (6,117 words) - 14:38, 2 August 2024
  • Thumbnail for RK 71
    M54 M56 M/28-57 M/27-66 Rimfire target rifles Suomen Leijona [fi] (Leijona M31 · Suomen Leijona M35 · Suomen Leijona M45 · Suomen Leijona M52 · Suomen Leijona...
    13 KB (1,471 words) - 09:48, 1 September 2023
  • Thumbnail for Cosmic distance ladder
    that M31 (Andromeda) was an external galaxy, as opposed to a smaller nebula within the Milky Way. He was able to calculate the distance of M31 to 285 kpc...
    54 KB (7,874 words) - 13:31, 20 October 2024
  • Thumbnail for Timeline of cosmological theories
    distances to a few nearby spiral nebulae (galaxies), the Andromeda Galaxy (M31), Triangulum Galaxy (M33), and NGC 6822. The distances place them far outside...
    87 KB (9,879 words) - 16:02, 9 October 2024