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Open cluster in Puppis
Arp-Madore 2 (also known as AM 2) is an open cluster of stars in the constellation of Puppis. It is almost 30,000 light-years away and about 5 billion
Arp-Madore_2
Globular cluster in the constellation Horologium
Arp-Madore 1 (also known as AM 1) is a globular cluster visible in the constellation Horologium, located 123.3 kiloparsecs (402,000 light-years) away from
Arp-Madore_1
Ring galaxy
Arp-Madore 417-391 is a ring galaxy located 671 million light-years from Earth in the constellation of Eridanus. It is classified as a ring galaxy. The
Arp-Madore_417-391
Star in the constellation Puppis
radius, temperature and surface gravity are estimated at 6.8 R☉, 10,000 K and 2.9 cgs, while the polar radius, temperature and surface gravity are 5.8 R☉
Nu_Puppis
List from the Alphabet Direction (αβ)
AM — Arp-Madore catalogue of open and globular star clusters (Halton Arp / Barry F. Madore) (for example: Arp-Madore 1 in Horologium, Arp-Madore 2 in Puppis)
List of astronomical catalogues
List_of_astronomical_catalogues
Topics referred to by the same term
AM2, a research and development team for the video game company Sega Arp-Madore 2, an open star cluster A fictional element from The Sten Chronicles Animusic
AM2
Interacting galaxies in the constellation Cetus
"Neutral hydrogen observations of ARP 144". The Astrophysical Journal. 326: 146. doi:10.1086/166075. ISSN 0004-637X. Madore, Barry F.; Nelson, Erica; Petrillo
Arp_146
Variable Star in the constellation Puppis
apparent visual magnitude of +4.48. Based upon an annual parallax shift of 2.30 mas as seen from Earth, it is located roughly 1,400 light years from the
Omicron_Puppis
Compact galaxy group in the constellation of Phoenix
survey conducted from the Cape of Good Hope. Astronomers Halton Arp and Barry F. Madore cataloged the system as AM 0018-485 in 1987 in A Catalogue of Southern
Robert's_Quartet
open star cluster". Monthly Notices of the Royal Astronomical Society. 365 (2): 447–453. arXiv:astro-ph/0510133. Bibcode:2006MNRAS.365..447C. doi:10.1111/j
List_of_open_clusters
Elliptical galaxy in the constellation Hydra
of galaxies also appears in the Catalog of Collisional Ring Galaxies by Madore, Nelson and Petrillo. James Webb Space Telescope image of NGC 2937. Hubble
NGC_2937
White dwarf in the constellation Puppis
PM J08186-3110". Monthly Notices of the Royal Astronomical Society. 500 (2): 2732–2740. arXiv:2010.15319. Bibcode:2021MNRAS.500.2732K. doi:10.1093/mnras/staa3421
WD_0816−310
Galaxy in the constellation Cetus
surface brightness galaxies are Arp 1 (NGC 2857), Arp 2 (UGC 10310), Arp 3, Arp 5 (NGC 3664), and Arp 6 (NGC 2537). Arp 4 has a possible active galactic
Arp_4
Group of galaxies in the constellation Leo
Kennicutt Jr., J. R. Mould, S. Sakai, W. L. Freedman, P. B. Stetson, B. F. Madore, B. K. Gibson, J. A. Graham, S. M. Hughes, G. D. Illingworth, D. D. Kelson
Leo_Triplet
Radio galaxy in the constellation Centaurus
Boissier; Madore; Seibert; Boselli; et al. (2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". Astrophysical Journal Supplement. 173 (2): 185–255
Centaurus_A
Interacting ring galaxy in Microscopium
and Associations (AM Catalogue), compiled by astronomers Halton Arp and Barry F. Madore in 1987. It consists of two principal galactic components or nuclei:
AM_2026-424
American astronomer (1927-2013)
Barry F. Madore (1987) Cosmology Non-standard cosmology Intrinsic redshifts Redshift quantization Le Sage's theory of gravitation Halton Arp, Seeing Red:
Halton_Arp
Galaxy in the constellation Ursa Major
Boissier; Madore; Seibert; Boselli; et al. (2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". Astrophysical Journal Supplement. 173 (2): 185–255
Messier_82
Galaxy in the constellation Ursa Major
Strasbourg. Retrieved 2009-11-29. Gil de Paz, Armando; Boissier, Samuel; Madore, Barry F.; Seibert, Mark; et al. (December 2007). "The GALEX Ultraviolet
Pinwheel_Galaxy
Star in the constellation Eridanus
fusion of helium at its core. Around 720 million years old, Tau2 Eridani has 2.4 times the mass of the Sun and has expanded to over 8 times the solar radius
Tau2_Eridani
Binary star system in the constellation Eridanus
The Astrophysical Journal, 829 (2): 74, arXiv:1607.07732, Bibcode:2016ApJ...829...74W, doi:10.3847/0004-637X/829/2/74, ISSN 0004-637X McDonald, I.; et al
Tau4_Eridani
Solitary red clump giant star in the constellation Eridanus
K0 III. The measured angular diameter, after correcting for limb darkening, is 2.248±0.014 mas. This star is 3.55 billion years old, sufficient to have exhausted
Iota_Eridani
Variable star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Tau8_Eridani
Star in the constellation of Eridanus
Calibration of the Red Clump Luminosity", The Astrophysical Journal, 539 (2): 732–741, arXiv:astro-ph/0003329, Bibcode:2000ApJ...539..732A, doi:10.1086/309278
Upsilon2_Eridani
Astronomical objects
more galaxies colliding. The Cartwheel Galaxy, galaxy pair AM 2026-424, and Arp 147 are all examples of ring galaxies believed to be formed from this process
List_of_ring_galaxies
Dwarf elliptical galaxy in the constellation Andromeda
Boissier; Madore; Seibert; Boselli; et al. (2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". Astrophysical Journal Supplement. 173 (2): 185–255
Messier_32
K-type giant star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Rho1_Eridani
Galaxies in the constellation Corvus
....D. ISBN 0-387-97552-7. Schweizer, François; Burns, Christopher R.; Madore, Barry F.; Mager, Violet A.; Phillips, M. M.; Freedman, Wendy L.; Boldt
Antennae_Galaxies
Star in the constellation Horologium
A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics
Gamma_Horologii
A-type star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Tau3_Eridani
Star in the constellation Eridanus
The Astrophysical Journal Supplement, 203 (2): 20, Bibcode:2012ApJS..203...30F, doi:10.1088/0067-0049/203/2/30, 30. "* chi Eri -- Pre-main sequence Star"
Chi_Eridani
Binary star system in the constellation Horologium
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Eta_Horologii
Star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Rho3_Eridani
Variable star in the constellation Eridanus
would be the brightest star in the night sky with an apparent magnitude of −2.84. (Currently, the brightest star is Sirius at magnitude −1.46.) This is
Nu_Eridani
Variable star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Mu_Eridani
Variable star in the constellation Eridanus
Astrophysical Journal Supplement Series. 217 (2): 13. arXiv:1503.03874. Bibcode:2015ApJS..217...29B. doi:10.1088/0067-0049/217/2/29. S2CID 33968873. 29. Tetzlaff,
Lambda_Eridani
Star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Tau7_Eridani
Red giant star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Pi_Eridani
Star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Tau6_Eridani
Minor constellation in the southern celestial hemisphere
brightest star is Gamma Microscopii of apparent magnitude 4.68, a yellow giant 2.5 times the Sun's mass located 223 ± 8 light-years distant. It passed within
Microscopium
Star in the constellation Eridanus
projected rotational velocity of 194 km/s. The star has about 2.3 times the mass of the Sun, 2.2 times the Sun's radius, and radiates 27.6 times the solar
Xi_Eridani
Binary star system in the constellation Horologium
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Delta_Horologii
Binary star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Tau9_Eridani
Red clump star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Upsilon1_Eridani
Star in the constellation Horologium
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Zeta_Horologii
Star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Kappa_Eridani
Star in the constellation Eridanus
The two stars orbit each other closely with a period of 6.2 days and an eccentricity of 0.2. On average, the two stars are separated by around 0.183 AU
Tau5_Eridani
Star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Upsilon3_Eridani
Star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Omega_Eridani
F-type main sequence star in the constellation Eridanus
eye in suburban and rural skies. The primary star's absolute magnitude is 2.87. There is also a binary star named GJ 3305 which shares the same proper
51_Eridani
K-type giant star in the constellation Eridanus
energy through the thermonuclear fusion of helium at its core. The star has 2.5 times the mass of the Sun and has expanded to 9 times the Sun's radius.
Rho2_Eridani
Variable star in the constellation Eridanus
visible to the naked eye with an apparent visual magnitude that varies around 2.9, and lies at a distance of about 203 light years from the Sun, as determined
Gamma_Eridani
Binary star system in the constellation Eridanus
The Astrophysical Journal, 826 (2): 171, arXiv:1604.07403, Bibcode:2016ApJ...826..171G, doi:10.3847/0004-637X/826/2/171, ISSN 0004-637X Zeta Eridani's
Zeta_Eridani
Barred spiral galaxy in the Local Group
Boissier, Samuel; Madore, Barry F.; et al. (2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". Astrophysical Journal. 173 (2): 185–255. arXiv:astro-ph/0606440
Andromeda_Galaxy
Star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Psi_Eridani
Variable star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Omicron1_Eridani
Star in the constellation Horologium
The Astrophysical Journal. 745 (2): 13. arXiv:1111.5618. Bibcode:2012ApJ...745..147R. doi:10.1088/0004-637X/745/2/147. S2CID 73681879. 147. Verbunt
Nu_Horologii
Star in the constellation Eridanus
"Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
Upsilon4_Eridani
Galaxy in the constellation Canes Venatici
Parise, Ronald A.; Smith, Eric P.; Freedman, Wendy L.; Kuchinski, Leslie E.; Madore, Barry; Angione, Ronald; Palma, Christopher; Talbert, Freddie; Stecher,
NGC_4156
Binary star in the constellation Eridanus
is slightly younger with an age of 33.7+2.0 −1.9 Myr. PanSTARRS and Gaia show that the pair is separated by 2.3 arcseconds, or about 189 AU. The weaker
WISEA_J044634.16-262756.1
Star in the constellation Horologium
is around two billion years old with a projected rotational velocity of 79.2 km/s. The star has 1.5 times the mass of the Sun and is radiating 13 times
Mu_Horologii
Blue-hued star in the constellation Eridanus
The Astrophysical Journal, 804 (2): 146, arXiv:1501.03154, Bibcode:2015ApJ...804..146D, doi:10.1088/0004-637X/804/2/146, S2CID 33401607. Kochukhov, O
Phi_Eridani
Constellation in the southern celestial hemisphere
lies 4.7 degrees north-northeast of Mu Horologii. The globular cluster Arp-Madore 1 is the most remote known globular cluster in the Milky Way at a distance
Horologium_(constellation)
Constellation split into two non-contiguous parts
objects include Seyfert's Sextet, one of the densest galaxy clusters known; Arp 220, the prototypical ultraluminous infrared galaxy; and Hoag's Object, the
Serpens
Governor of New York from 2007 to 2008
Archived from the original on December 24, 2010. Retrieved November 14, 2007. Madore, James T. (November 9, 2007). "Spitzer defends license plan over Democrat
Eliot_Spitzer
Portion of the giant branch before helium ignition
1051/0004-6361/201016066. S2CID 56067351. Lee, Myung Gyoon; Freedman, Wendy L.; Madore, Barry F. (1993). "The Tip of the Red Giant Branch as a Distance Indicator
Red-giant_branch
Galaxy with a high luminosity
Bridge, C. R.; Chan, B.; Frayer, D.; Iwasawa, K.; Kewley, L. J.; Lord, S.; Madore, B. F.; Melbourne, J. E.; Murphy, E. J.; Rich, J. A.; Schulz, B.; et al
Luminous_infrared_galaxy
Bibcode:2022MNRAS.513.3993O. doi:10.1093/mnras/stac934. Milky Way Globular Clusters [1][2], Students for the Exploration and Development of Space Bica, E.; Bonatto
List_of_globular_clusters
announced in the field of quasar QSO 1213-0017 at z=1.31 (the quasar lies at z=2.69) In 1999, cluster RDCS J0849+4452 (RX J0849+4452, RXJ0848.9+4452) was found
List of galaxy groups and clusters
List_of_galaxy_groups_and_clusters
Galaxy merger in the constellation Boötes
214 (2): 87–95. Bibcode:1985MNRAS.214...87J. doi:10.1093/mnras/214.2.87. ISSN 0035-8711. Sanders, D. B.; Soifer, B. T.; Elias, J. H.; Madore, B. F.;
PKS_1345+125
American astronomer and astrophotographer
; Bardalez-Gagliuffi, Daniella C; Peñarrubia, Jorge; Chonis, Taylor S; Madore, Barry; Trujillo, Ignacio; Schirmer, Mischa; McDavid, David A (2010). "Stellar
R._Jay_GaBany
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