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List of neutron stars

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Neutron stars are the collapsed cores of supergiant stars.[1] They are created as a result of supernovas and gravitational collapse,[2] and are the second smallest and densest class of stellar objects.[3] In the cores of these stars, protons and electrons combine to form neutrons.[2] Neutron stars can be classified as pulsars if they are magnetized, if they rotate, and if they emit beams of electromagnetic radiation out of their magnetic poles.[4] They may include soft gamma repeaters (SGR) and radio-quiet neutron stars, as well as pulsars such as radio pulsars, recycled pulsars, low mass X-ray pulsars, and accretion-powered pulsars. A notable grouping of neutron stars includes the Magnificent Seven.

Zooming to RX J1856.5−3754 which is one of the Magnificent Seven and, at a distance of about 400 light years, the closest known neutron star.

List of neutron stars

Caption text
Designation Popular Name Type Constellation Right Ascension Declination Distance (pc) Mass (M☉) Radius (km) Spin Period (sec) Orbital Period (days) Apparent Magnitude (V) Luminosity (L☉) Temperature) (K) Age (years) Notes
SGR 1806−20 Magnetar Sagittarius 18h 08m 39.32s −20° 24' 39.5" 13,000 7.55592 Totally Obscured
RCW 103 Radio-Quiet Norma 16h 17m 33.000s −51° 02' 00.00" 3,100-3,300
1RXS J141256.0+792204 Calvera Radio-Quiet Ursa Minor 14h 12m 55.867s +79° 22' 03.895" ≤2,000 0.059199071070 285,000
RX J0822−4300 Cosmic Cannonball Radio-Quiet Puppis 08h 23m 8.16s −42° 41′ 41.4″ 2,000 ~24
PSR B1937+21 Pulsar Vulpecula 19h 39m 38.560210s +21° 34′ 59.14166″ >3,600 0.0015578065 229,000,000
RX J1856.5−3754 Corona Australis 18h 56m 35s −37° 54′ 36″ 122 1.5 12.1 ~25.6 1,000,000 The Magnificent Seven
RBS1556 The Magnificent Seven
RBS1223 The Magnificent Seven
RX J0720.4−3125 Canis Major 07h 20m 24.961s −31° 25′ 50.21″ 360 4.50 - 5.38 ~26.6 The Magnificent Seven
RX J0420.0-5022 The Magnificent Seven
PSR B1937+21 Pulsar Vulpecula 19h 39m 38.560210s +21° 34′ 59.14166″ 3,600 0.0015578065 229,000,000 First discovered millisecond pulsar
PSR B1957+20 Black Widow Pulsar Eclipsing Binary Pulsar Sagitta 19h 59m 36.77s +20° 48′ 15.12″ 2000 1.66 - 1.8 0.00160734 20.4
PSR B0531+21 Crab Pulsar Pulsar Taurus 05h 34m 31.95s +22° 00′ 52.2″ 1,900 10 0.0335028583 16.65 8,142
PSR B1509−58 Pulsar Circinus 15h 13m 55.52s −59° 08′ 08.8″ 5,200 ±1,400 9.5 0.1502 1,700
PSR B0329+54 Pulsar Camelopardalis 03h 32m 59.368s +54° 34′ 43.57″ 1,060 0.71452 5,000,000
PSR B0943+10 Pulsar Leo 09h 46m 7.31s +09° 51′ 57.3″ 630 ±100 1.5 1.1 0.0000131 3,100,000 5,000,000
PSR B1257+12 Lich Pulsar Virgo 13h 00m 01s +12° 40′ 57″ 710 ±40 0.006219 1,000,000,000 - 3,000,000,000 Host to the first discovered extrasolar and pulsar planets
PSR B1620−26 Pulsar Scorpius 16h 23m 38.2218s −26° 31′ 53.769" 3,800 1.35 20.85 21.30 ≤ 30,000 12,200,000,000 Binary with a white dwarf
PSR B1828−11 Pulsar Scutum 18h 30m 47.75s −10° 59′ 10.8″ 3,200
PSR B1919+21 Little Green Men Pulsar Vulpecula 19h 21m 44.815s +21° 53′ 02.25" 100-1100 1.4 9.7398 1.3373 16,000,000 First discovered radio pulsar
PSR J0348+0432 Pulsar Taurus 03h 48m 43.639s +04° 32′ 11.458″ 2,100 2.01 13 ±2 0.0391226569017806 0.102424062722 2,600,000,000 Binary with a white dwarf
PSR J0737−3039A Double Pulsar Puppis 07h 37m 51.248s −30° 39′ 40.83″ 1150 1.338 0.022699379740922 0.102 First known double pulsar
PSR J0737−3039B Double Pulsar Puppis 07h 37m 51.248s −30° 39′ 40.83″ 1150 1.249 2.7734613485 0.102 First known double pulsar
PSR J0740+6620 Pulsar Camelopardalis 07h 40m 45.799s +66° 20′ 33.60″ 1,410 2.08 12.39 Binary with a white dwarf
PSR J0952–0607 Black Widow Pulsar Sextans 09h 52m 08.319s −06° 07′ 23.49″ 970, 1720, or 6260 2.35 0.00141379836 0.267461035 22.0 - 24.4 4,900,000,000 Fastest spinning pulsar known within the Milky Way
PSR J1311–3430 Pulsar Centaurus 13h 11m 45.724s −34° 30′ 30.35″ 2.7 0.0025
PSR J1614−2230 Pulsar Scorpius 16h 14m 36.5051s −22° 30′ 31.081″ 1,200 1.908 13 ±2 0.0031508076534271 Magnitude 5,200,000,000 Binary with a white dwarf
PSR J1719−1438 Pulsar Serpens 17:19:10.0730(1) −14:38:00.96(2) 1,200 1.4 19 0.0058 0.090706
PSR J1748-2021B Pulsar Virgo 17h 48m 52.9522s −20h 21m 38.90s 223 2.548
PSR J1946+2052A Pulsar Vulpecula 19h 46m 14.130s +20° 52′ 24.64″ 3500 - 4200 <1.31 0.0169601753230 0.07848804 290,000,000
PSR J1946+2052A Neutron Star Vulpecula 19h 46m 14.130s +20° 52′ 24.64″ 3500 - 4200 >1.18 0.07848804
PSR J2124−3358 Pulsar Microscopium 21h 24m 43.8464s −33° 58′ 44.961″ 270 7,200,000,000
PSR J0835-4510| Vela Pulsar Pulsar Vela 08h 35m 20.65525s −45° 10′ 35.1545″ 294 0.08933 23.6 11,000 - 12,300

Anomalous X-ray pulsars

Binary star systems

See also

References

  1. ^ Heger, A.; Fryer, C. L.; Woosley, S. E.; Langer, N.; Hartmann, D. H. (2003). "How Massive Single Stars End Their Life". Astrophysical Journal. 591 (1): 288–300. arXiv:astro-ph/0212469. Bibcode:2003ApJ...591..288H. doi:10.1086/375341. S2CID 59065632.
  2. ^ a b "Imagine the Universe!: Neutron Stars". National Aeronautics and Space Administration - Goddard Space Flight Center. 23 September 2023. Retrieved 7 January 2024.
  3. ^ Glendenning, Norman K. (2012). Compact Stars: Nuclear Physics, Particle Physics and General Relativity (illustrated ed.). Springer Science & Business Media. p. 1. ISBN 978-1-4684-0491-3. Archived from the original on 2017-01-31. Retrieved 2016-03-21.
  4. ^ "NASA's NICER Delivers Best-ever Pulsar Measurements, 1st Surface Map". 11 December 2019.
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