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X-ray binary in Galaxy NGC 300
NGC 300 X-1 is a high mass X-ray binary system located in the spiral galaxy NGC 300, approximately 6 million light-years away in the constellation of
NGC_300_X-1
Galaxy in the constellation Sculptor
NGC 300 (also known as Caldwell 70 or the Sculptor Pinwheel Galaxy) is a spiral galaxy in the constellation Sculptor. It was discovered on 5 August 1826
NGC_300
X-ray binary in the Whirlpool Galaxy
discovered in 1995 in a ROSAT survey of X-ray sources in the Whirlpool Galaxy and NGC 5195. M51-ULS-1 is a high-mass X-ray binary system in the Whirlpool Galaxy
M51-ULS-1
Binary black hole-star systems in the constellation Triangulum
electromagnetically-observed black holes by an increased mass estimate for Cygnus X-1, and also by many of the LVK-detected binary black hole components). The
M33_X-7
Black hole formed by a collapsed star
Benjamin F. (1 March 2021). "The Wolf-Rayet + Black Hole Binary NGC 300 X-1: What is the Mass of the Black Hole?". The Astrophysical Journal. 910 (1): 74. arXiv:2102
Stellar_black_hole
Wolf–Rayet star in the constellation Dorado
star at the center of R136, the central concentration of stars of the large NGC 2070 open cluster in the Tarantula Nebula (30 Doradus) in the Large Magellanic
R136a1
Star in the constellation Dorado
likely binary star located in R136, a tight knot of stars at the centre of NGC 2070, an open cluster weighing 450,000 solar masses and containing 10,000
R136c
High-mass X-ray binary
hole system; a second system was discovered shortly afterwards (NGC 300 X-1). IC 10 X-1 was discovered using the artificial satellite ROSAT in 1997. Its
IC_10_X-1
Star in the constellation Dorado
the center of the R136, the central concentration of stars of the large NGC 2070 open cluster in the Tarantula Nebula, a massive H II region in the Large
R136a2
Binary star in the constellation Dorado
discovered four red supergiants in the massive super star cluster Westerlund 1 in the constellation Ara, notably including W26. In 1986, infrared observations
WOH_G64
Star in the Triangulum Galaxy
The Astrophysical Journal. 773 (1): 46. arXiv:1305.6051. Bibcode:2013ApJ...773...46H. doi:10.1088/0004-637x/773/1/46. ISSN 0004-637X. S2CID 118413197
B324
Distant star or star cluster
a single object. The previous farthest known star, MACS J1149 Lensed Star 1, also known as Icarus, at a comoving distance of 14.4 billion light-years
Earendel (astronomical object)
Earendel_(astronomical_object)
Star in the Triangulum Galaxy
estimated to have a progenitor mass over 40 M☉ and to be losing mass at a rate of 1 M☉ every 25,000–50,000 years. The mass loss is highest when the star is largest
Romano's_Star
Failed supernova (candidate) in the Andromeda Galaxy
2014-2016 is believed to be caused by a small fraction of the stellar envelope (~1 M☉) being ejected at low velocities, subsequently cooling and forming a shroud
M31-2014-DS1
Contact binary star system in the constellation Dorado
Holmberg IX V1 IC 10 X-1 Icarus LAMOST J112456.61+453531.3 M51-ULS-1 N6946-BH1 NGC 300 X-1 NGC 2363-V1 NGC 6822-WR 12 SDSS J0715-7334 SDSS J1229+1122
VFTS_352
Star in the constellation Dorado
BAT99-98 is a Wolf–Rayet star located in the Large Magellanic Cloud, in NGC 2070 near the R136 cluster in the Tarantula Nebula (30 Doradus). At estimates
BAT99-98
Galaxy in the constellation Pegasus
group, NGC 7335 [fr], NGC 7336 [fr], NGC 7337, and NGC 7340 [fr], lie far in the background at distances of approximately 300–350 million light years
NGC_7337
Red supergiant star in the Large Magellanic Cloud
05280−6910 (LI-LMC 1100 or NGC 1984-IRS1) is an extreme red supergiant star located in the Large Magellanic Cloud and the open cluster NGC 1984. It is more than
IRAS_05280−6910
Wolf-Rayet star in the galaxy IC 1613
Science Reviews. 66 (1–4): 277–280. doi:10.1007/BF00771077. ISSN 0038-6308. Armandroff, T. E.; Massey, P. (1985). "Wolf-Rayet stars in NGC 6822 and IC 1613"
DR1_(star)
Star in the constellation Dorado
Light Curves in Sectors 1 and 2 of the TESS Mission: Selection of an Asteroseismic Sample". The Astrophysical Journal Letters. 872 (1): L9. arXiv:1901.07576
HD_37974
Candidate Thorne–Żytkow object in the constellation Tucana
Thorne–Żytkow Objects through Neutrinos". The Astrophysical Journal. 984 (1): L2. arXiv:2501.03330. Bibcode:2025ApJ...984L...2M. doi:10.3847/2041-8213/adc8ab
HV_11417
Supernova in the constellation Dorado
Holmberg IX V1 IC 10 X-1 Icarus LAMOST J112456.61+453531.3 M51-ULS-1 N6946-BH1 NGC 300 X-1 NGC 2363-V1 NGC 6822-WR 12 SDSS J0715-7334 SDSS J1229+1122
Sanduleak_−69_202
Star in the Sunburst galaxy
source-frame ultraviolet light and nebular emission lines as measured by MUSE and X-shooter at the Very Large Telescope (VLT) can be quantitatively explained
Godzilla_(star)
Microlensing event in the constellation Andromeda
Holmberg IX V1 IC 10 X-1 Icarus LAMOST J112456.61+453531.3 M51-ULS-1 N6946-BH1 NGC 300 X-1 NGC 2363-V1 NGC 6822-WR 12 SDSS J0715-7334 SDSS J1229+1122
PA-99-N2
Star in the constellation Sculptor
integer ratio, there exists a frame of reference that rotates by roughly 1.37° day−1, in which successive conjunctions of the planets form a repeating pattern
TOI-178
Galaxy in the constellation Pegasus
NGC 1 is an intermediate spiral galaxy of the morphological type Sbc, located in the constellation of Pegasus. It was discovered on 30 September 1861
NGC_1
Hypervelocity star in the constellation Dorado
Society: Letters. 376 (1): L29–L33. arXiv:astro-ph/0612673. Bibcode:2007MNRAS.376L..29G. doi:10.1111/j.1745-3933.2007.00280.x. S2CID 2992585. Przybilla
HE_0437−5439
Star in the constellation Dorado
now known to be an extremely young dense open cluster at the core of the NGC 2070 cluster in the Tarantula Nebula. R136 was eventually resolved and the
R136a3
O-type main sequence star in the constellation Dorado
Tramper, F.; Vink, J. S.; Brands, S. A.; Sander, A. A. C. (2025-01-29). "X-Shooting ULLYSES: Massive stars at low metallicity". Astronomy & Astrophysics
BI_253
Small Magellanic Cloud star in the constellation Tucana
Curtain: X-Rays Drive the UV through NIR Variability in the 2013 Active Galactic Nucleus Outburst in NGC 2617". The Astrophysical Journal. 788 (1): 48. arXiv:1310
HV_2112
black hole companion. NGC 300 NGC 300 X-1 A 6,070,000 ± 0.23 WR Has a black hole companion. NGC 300 STWR 13 6,070,000 ± 0.23 WO4 NGC 1313 [HC2007] 31 12
List_of_Wolf–Rayet_stars
Neutron star
3XMM J004232.1+411314 is a low-mass X-ray binary hosted in the galaxy M31. It is the most luminous source of hard X-rays in the Andromeda Galaxy. It is
3XMM_J004232.1+411314
X-ray binary in the Large Magellanic Cloud
intensity variations. LMC X-4 comprises a neutron star with a spin period of 13.5 seconds and an estimated mass of approximately 1.4 solar masses, though
LMC_X-4
X-ray binary in Cygnus containing a stellar black hole
horizon has 300 km "as upper bound to the linear dimension of the source region" of occasional X-ray bursts lasting only for about 1 ms. Cygnus X-1 is a high-mass
Cygnus_X-1
Blue supergiant star in the constellation Leo
LS1 & 2), at approximately 14 billion light-years from Earth (redshift z=1.49; comoving distance of 14.4 billion light-years; lookback time of 9.34 billion
Icarus_(star)
Star in the constellation Dorado
Royal Astronomical Society. 331 (1): 45–59. arXiv:astro-ph/0112194. Bibcode:2002MNRAS.331...45K. doi:10.1046/j.1365-8711.2002.05150.x. S2CID 10505995.
HD_33579
Star in the constellation of Triangulum
The Astrophysical Journal. 790 (1): 48. arXiv:1407.2259. Bibcode:2014ApJ...790...48H. doi:10.1088/0004-637X/790/1/48. S2CID 119177378. Humphreys, R
M33-013406.63
Star in the constellation Dorado
possible origin of LMC X-1 is the star cluster [NKN2005] N159-O1. Other possible origins are NGC 2077, NGC 2080, NGC 2085 and NGC 2086. In the scenario
LMC_X-1
Star in the constellation Dorado
Astrophysical Journal Letters. 743 (1): L22. arXiv:1111.0157. Bibcode:2011ApJ...743L..22D. doi:10.1088/2041-8205/743/1/L22. S2CID 118448435. Shepard, Katherine
VFTS_102
Star in the constellation Andromeda
The Astrophysical Journal. 790 (1): 48. arXiv:1407.2259. Bibcode:2014ApJ...790...48H. doi:10.1088/0004-637X/790/1/48. S2CID 119177378. Luyten, W. J
AE_Andromedae
Candidate luminous variable star in the constellation Dorado
and Astrophysics. 366 (2): 508–531. Bibcode:2001A&A...366..508V. CiteSeerX 10.1.1.459.5400. doi:10.1051/0004-6361:20000022. S2CID 55796300. Bonanos, A. Z
R85
Binary star located in the Small Magellanic Cloud in the constellation Hydrus
NGC 602 cluster and is sometimes considered to be just a condensation within a large stellar association including NGC 602. It is referred to as NGC 602c
AB8_(star)
Emission nebula in the constellation Scorpius
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
NGC_6357
Binary star in the constellation Sculptor
Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352. David, Trevor
Sigma_Sculptoris
Star in the constellation Dorado
stars known. It is found in the dense R136 open cluster at the centre of NGC 2070 in the Tarantula Nebula. R136b has the spectral type of Wolf–Rayet star
R136b
Star in the constellation Sagittarius
NGC 6822-WR 12 is a WN-type Wolf–Rayet star located in the galaxy NGC 6822, about 1.54 million light years away in the constellation of Sagittarius. NGC
NGC_6822-WR_12
Star in the constellation Dorado
Centre de données astronomiques de Strasbourg. Retrieved 1 March 2018. On the persistent X-ray emission from the soft gamma-ray repeaters Kouveliotou
SGR_0526−66
Star in the constellation Dorado
Hodge in 1970, listed as containing 18 member stars. It is associated with NGC 1955, part of the N51 HII region. The brightness and colour of LH 54-425
LH_54-425
Luminous blue variable star in the constellation Triangulum
Astronomical Society: Letters. 396 (1): L21. arXiv:0903.5222. Bibcode:2009MNRAS.396L..21V. doi:10.1111/j.1745-3933.2009.00654.x. S2CID 14666975. Van Den Bergh
Var_83
Binary star in the Small Magellanic Cloud in the constellation Tucana
described as containing the open cluster NGC 371, although the reverse may be more accurate. The stars of NGC 371 are scattered over twice the diameter
AB7
Wolf–Rayet star in the constellation Dorado
five were later confirmed to be Wolf–Rayet stars. LMC195-1 is located in the rich LH-41 (NGC 1910) stellar association that contains the luminous blue
LMC195-1
Galaxy in the constellation Telescopium
NGC 6862: SN 2010co (Type II-P, mag. 16.1) was discovered by Berto Monard [it] on 6 May 2010. List of NGC objects (6001–7000) "Results for object NGC
NGC_6862
Star in the Small Magellanic Cloud in the constellation Tucana
Magellanic Cloud". The Astrophysical Journal. 754 (1): 35–56. arXiv:1205.1275. Bibcode:2012ApJ...754...35Y. doi:10.1088/0004-637X/754/1/35. S2CID 119221334.
HV_11423
Binary star in the Large Magellanic cloud
shows high x-ray luminosity characteristic of colliding-wind binaries, and periodic variations in luminosity, spectral absorption, and the x-ray brightness
Melnick_34
Wolf Rayet star in the constellation Dorado
Astrophysical Journal Supplement. 184 (1): 172. arXiv:0908.0347. Bibcode:2009ApJS..184..172G. doi:10.1088/0067-0049/184/1/172. S2CID 18913261. Banerjee, S.;
VFTS_682
Pair of colliding spiral galaxies in the constellation Pisces
NGC 520, also known as the Flying Ghost, is a pair of colliding spiral galaxies about 105 million light-years away in the constellation Pisces. They were
NGC_520
Galaxy in the constellation Sculptor
July 1826 by Scottish astronomer James Dunlop. Along with its neighbor NGC 300, it is one of the closest galaxies to the Local Group, probably lying between
NGC_55
Star in the Large Magellanic Cloud
accompanied by reddening, apparent cooling of the star. Such outbursts of 1–1.5 magnitudes from blue supergiants accompanied by cooling of several thousand
R71_(star)
Star in the constellation Dorado
interstellar O VI in the Large Magellanic Cloud". The Astrophysical Journal. 569 (1): 214–232. arXiv:astro-ph/0111566. Bibcode:2002ApJ...569..214H. doi:10.1086/339322
HD_269810
Galaxy in the constellation Eridanus
emission from ionized and molecular gas is seen about 300 parsecs away from the galaxy’s center. NGC 1125 appears close to neighboring galaxy MCG -03-08-034 [d]
NGC_1125
Triple star system in the constellation Tucana
HD 5980 is a multiple star system on the outskirts of NGC 346 in the Small Magellanic Cloud (SMC) and is one of the brightest stars in the SMC. HD 5980
HD_5980
Galaxy in the constellation Pegasus
NGC 7236 is an interacting lenticular galaxy located in the constellation Pegasus. It is located at a distance of about 300 million light years from Earth
NGC_7236
Possible red cataclysmic variable star in the constellation Andromeda
1054–1056. Bibcode:2003MNRAS.343.1054E. doi:10.1046/j.1365-8711.2003.06755.x. ISSN 0035-8711. Rich, R. Michael; Mould, Jeremy; Picard, Alain; Frogel, Jay
M31_RV
Galaxy in the constellation Camelopardalis
NGC 2336 is a barred spiral galaxy located in the constellation Camelopardalis. It is located at a distance of about 100 million light years from Earth
NGC_2336
Massive blue supergiant star in the constellation Dorado
arXiv:1105.4757. Bibcode:2011MNRAS.416.1311C. doi:10.1111/j.1365-2966.2011.19129.x. S2CID 118455138. Bestenlehner, J. M.; Gräfener, G.; Vink, J. S.; Najarro
Melnick_42
Galaxy in the constellation Virgo
extinction by dust. NGC 4772 is a member of the NGC 4753 Group, along with NGC 4629, NGC 4691, NGC 4753, NGC 4771, NGC 4845, and NGC 4904. It is part of
NGC_4772
Galaxy in the constellation Crater
media related to NGC 3887. NGC 3887 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images NGC 3887 on SIMBAD
NGC_3887
Pair of runaway stars in the constellation Libra
Holmberg IX V1 IC 10 X-1 Icarus LAMOST J112456.61+453531.3 M51-ULS-1 N6946-BH1 NGC 300 X-1 NGC 2363-V1 NGC 6822-WR 12 SDSS J0715-7334 SDSS J1229+1122
HD_134439_and_HD_134440
Visual grouping of galaxies in the constellation Pegasus
light-years (89 Mpc) away NGC 7336: A spiral galaxy located 370 million light-years (113 Mpc) away NGC 7337: A barred spiral galaxy located 300 million light-years
NGC_7331_Group
Galaxy in the constellation Pegasus
other members of the group, NGC 7335, NGC 7336, NGC 7337 and NGC 7340, lie far in the background at distances of approximately 300–350 million light years
NGC_7331
Galaxy in the constellation Cetus
NGC 7828 is a peculiar galaxy in the constellation Cetus. The galaxy lies about 300 million light years away from Earth, which means, given its apparent
NGC_7828
Lenticular galaxy in the Andromeda constellation
LGG 1), which contains at least 18 galaxies, including NGC 13, NGC 19, NGC 21, NGC 39, NGC 43, NGC 7805, NGC 7806, NGC 7819, and NGC 7836. NGC 19 NGC 21
NGC_20
Galaxy in the constellation Ursa Major
have been observed in NGC 5585. One of the SNRs is extremely large with dimensions of about 200 x 90 parsecs (650 x 300 ly) and its x-ray emissions are so
NGC_5585
Star in the Large Magellanic Cloud
is used for LBVs. S Doradus is the brightest member of the open cluster NGC 1910, also known as the LH41 stellar association, visible in binoculars as
S_Doradus
Galaxy in the constellation Ursa Major
galaxy's most prominent feature is an extremely powerful X-ray source designated NGC 5204 X-1. This has resulted in the galaxy being the target of several
NGC_5204
Galaxy in the constellation Ursa Major
NGC 3184, also known as The Little Pinwheel Galaxy, is an unbarred spiral galaxy approximately 40 million light-years away in the constellation Ursa Major
NGC_3184
Binary star in the constellation Dorado
Holmberg IX V1 IC 10 X-1 Icarus LAMOST J112456.61+453531.3 M51-ULS-1 N6946-BH1 NGC 300 X-1 NGC 2363-V1 NGC 6822-WR 12 SDSS J0715-7334 SDSS J1229+1122
R145
Galaxy in the constellation Canes Venatici
The Whirlpool Galaxy, also known as Messier 51a (M51a) or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus
Whirlpool_Galaxy
X-ray binary in the Large Magellanic Cloud
long-term intensity variations on 100–300 day timescales and enters anomalous low states (ALS) lasting 80+ days, during which X-ray and UV brightness drops significantly
LMC_X-3
Reflection nebula in the constellation Perseus
NGC 1333 is a reflection nebula located in the northern constellation Perseus, positioned next to the southern constellation border with Taurus and Aries
NGC_1333
OB association in the Andromeda Galaxy
Commons has media related to NGC 206. NGC 206 @ SEDS NGC objects pages NGC 206 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map
NGC_206
Star in Large Magellanic Cloud
Holmberg IX V1 IC 10 X-1 Icarus LAMOST J112456.61+453531.3 M51-ULS-1 N6946-BH1 NGC 300 X-1 NGC 2363-V1 NGC 6822-WR 12 SDSS J0715-7334 SDSS J1229+1122
HD_37836
Galaxy in the constellation Pisces
William Herschel. NGC List of NGC objects (1–1000) List of NGC objects Galaxy "NASA/IPAC Extragalactic Database". Results for NGC 0036. Retrieved 2010-05-04
NGC_36
Open cluster in the constellation Tucana
Catalogue objects: NGC 300–349". cseligman.com. Retrieved 2020-09-17. Nazé, Y.; et al. (November 2002). "An X-Ray Investigation of the NGC 346 Field in the
NGC_346
Massive binary star in the constellation Dorado
cluster at the center of NGC 2070 and may have been ejected from it after an encounter with another massive binary. It shares a common X-ray cavity with the
HD_38282
Irregular galaxy in the constellation Pegasus
William Herschel. NGC 15 NGC 13 NGC List of NGC objects (1–1000) List of NGC objects "NASA/IPAC Extragalactic Database". Results for NGC 0014. Retrieved
NGC_14
Galaxy in the constellation Leo
spiral pattern. NGC 3684 is a member of the NGC 3686 Group. Other members of the group include NGC 3681, NGC 3686, and NGC 3691. NGC 3681 lies 14 arcminuntes
NGC_3684
NGC objects 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
Lists_of_astronomical_objects
Spiral galaxy in the constellation Leo
NGC 3506 is a spiral galaxy in the constellation Leo. It is located at a distance of circa 300 million light years from Earth, which, given its apparent
NGC_3506
Variable star in the constellation Mensa
temperatures of RCB stars". Monthly Notices of the Royal Astronomical Society. 245 (1): 119–29. Bibcode:1990MNRAS.245..119G. ISSN 0035-8711. Milone, Luis A. (1990)
W_Mensae
Class of active galaxies with very bright nuclei
Galaxy NGC 7213: An XMM-Newton Observation". Astrophysics and Space Science. 300 (1–3): 81–86. arXiv:astro-ph/0412017. Bibcode:2005Ap&SS.300...81S. doi:10
Seyfert_galaxy
Interstellar clouds in the constellation Carina
The Carina Nebula or Eta Carinae Nebula (catalogued as NGC 3372; also known as the Great Carina Nebula) is a large, complex area of bright and dark nebulosity
Carina_Nebula
Galaxy in the constellation Pisces
objects (1–1000) Pisces (constellation) "NASA/IPAC Extragalactic Database". Results for NGC 0200. Retrieved 2016-09-02. "New General Catalog Objects: NGC 200
NGC_200
Galaxy in the constellation Cetus
NGC 682: SN 2023xtg (Type Ia, mag. 18.1) was discovered by Kōichi Itagaki on 14 November 2023. List of NGC objects (1–1000) "Results for object NGC 0682"
NGC_682
Galaxy in the constellation Eridanus
apparent dimensions, that NGC 1421 is approximately 70,000 light years across. It was discovered by William Herschel on February 1, 1785. It is a member of
NGC_1421
Galaxy in the constellation Coma Berenices
galaxy is a very large population of globular clusters. NGC 4889 is also a strong source of soft X-ray, ultraviolet, and radio frequency radiation. As the
NGC_4889
Luminous blue variable star in the constellation Andromeda
Supergiants". The Astrophysical Journal. 790 (1): 48. arXiv:1407.2259. Bibcode:2014ApJ...790...48H. doi:10.1088/0004-637X/790/1/48. S2CID 119177378.
AF_Andromedae
Radio galaxy in the constellation Centaurus
Centaurus A (also known as NGC 5128 or Caldwell 77) is a galaxy in the constellation of Centaurus. It was discovered in 1826 by Scottish astronomer James
Centaurus_A
Wolf Rayet star in the constellation Dorado
known as NGC 1910, using one of the 6.5m Magellan Telescopes at Las Campanas Observatory in Chile. LH 41-1042 is located in the rich LH 41 (NGC 1910) stellar
LH_41-1042
Planetary nebula in the constellation Draco
observations at X-ray wavelengths by the Chandra X-ray Observatory revealed the presence of extremely hot gas within NGC 6543 with the temperature of 1.7×106 K
Cat's_Eye_Nebula
NGC 300-X-1
NGC 300-X-1
NGC 300-X-1
NGC 300-X-1
NGC 300-X-1
NGC 300-X-1
NGC 300-X-1
NGC 300-X-1
NGC 300-X-1