351:; Lenc, E.; Kaplan, D. L.; Murphy, T.; Men, Y. P.; Shannon, R. M.; Ferrario, L.; Rajwade, K. M.; Clarke, T. E.; Giacintucci, S.; Hurley-Walker, N.; Hyman, S. D.; Lower, M. E.; McSweeney, Sam; Ravi, V.; Barr, E. D.; Buchner, S.; Flynn, C. M. L.; Hessels, J. W. T.; Kramer, M.; Pritchard, J.; Stappers, B. W. (5 June 2024).
224:
ASKAP J1935+2148 was also detected in four subsequent observations, with the pulses visible across the entire observing band of 288 MHz. The pulses were quantified to be >90% linearly polarised with a rotation measure of
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pulses 26 times weaker than in the first phase, lasting approximately 370 milliseconds, and the third phase is characterised by quiescence, with no activity. Another pulsar,
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ASKAP J1935+2148 goes through three phases every rotation period, which were also detected by the MeerKAT telescope: the first phase is characterised by bright and highly
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205:, from which it derives its name. The first observation lasted six hours, in which four 10- to 50-second pulses were detected, with the peak flux density being 119
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with an unusually strong magnetic field; the second is that the object is a neutron star emitting radiation from its poles despite its slow rotation.
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radio interferometer, including estimating the time of arrival of future pulses, were used to determine a rotation period of 3,225.313
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209:. During the observation, ASKAP was operating in the square_6 by 6 configuration with 1.05° pitch and a central frequency of 887.5
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441:"ATel #13687: Insight-HXMT detection of a bright short x-ray counterpart of the Fast Radio Burst from SGR 1935+2154"
309:
388:
413:
389:"Discovery of Slowest Spinning Neutron Star with Unexplainable Radio Signals Challenges Existing Theories"
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pulses, lasting between 10 and 50 seconds, the second phase is characterised by weak and
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0.002 seconds), it would be the slowest spinning neutron star ever discovered.
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0.3 rad m, consistent with nearby pulsars. Observations at 1,284 MHz with the
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414:"Most collapsed stars fully rotate in seconds: This one takes nearly an hour"
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away. With a rotation period of 53.8 minutes (more precisely, 3,225.313
353:"An emission-state-switching radio transient with a 54-minute period"
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ASKAP J1935+2148 was discovered while observing the same area as
495:"Mystery object waits nearly an hour between radio bursts"
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There are two possible explanations for ASKAP J1935+2148.
469:"Strange Radio Signal From Deep Space Baffles Scientists"
213:. The observation field also encompassed the magnetar
276:The first explanation is that the object is a
8:
199:Australian Square Kilometre Array Pathfinder
439:Zhang, S.-N.; et al. (29 April 2020).
72:21° 48′ 41.047″
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526:Astronomical objects discovered in 2022
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170:candidate located in the constellation
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420:. University of Sydney. 5 June 2024
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310:Rotating radio transients (RRATs)
467:Starr, Michelle (8 June 2024).
387:Amazouz, Lydia (7 June 2024).
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265:have shown similar activity.
493:Timmer, John (6 June 2024).
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366:10.1038/s41550-024-02277-w
295:GLEAM-X J162759.5−523504.3
186:Discovery and observations
446:The Astronomer's Telegram
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160:ASKAP J193505.1+214841.0
174:, approximately 15,800
83:Evolutionary stage
201:telescope, located in
217:, which had produced
251:circularly polarised
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219:fast radio bursts
203:Western Australia
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17:ASKAP J1935+2148
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357:Nature Astronomy
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156:ASKAP J1935+2148
77:Characteristics
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22:Observation data
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300:GCRT J1745−3009
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237:0.002 seconds.
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192:gamma-ray burst
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158:(also known as
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502:. Retrieved
499:Ars Technica
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476:. Retrieved
473:ScienceAlert
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450:. Retrieved
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396:. Retrieved
393:Daily Galaxy
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370:. Retrieved
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290:GPM J1839−10
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269:Explanations
263:PSR B2111+46
259:PSR B0823+26
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164:neutron star
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145:53.8 minutes
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94:(suspected)
88:Neutron star
278:white dwarf
195:GRB 221009A
176:light-years
117:4,850
68:Declination
61:19 35 5.126
316:References
241:Properties
100:Astrometry
349:Caleb, M.
221:in 2020.
172:Vulpecula
47:Vulpecula
520:Category
418:phys.org
284:See also
168:magnetar
140:Rotation
112:Distance
92:magnetar
504:11 June
478:11 June
424:11 June
398:11 June
372:11 June
231:MeerKAT
162:) is a
129:Details
32:Equinox
452:4 May
225:159.3
35:J2000
28:J2000
25:Epoch
506:2024
480:2024
454:2020
426:2024
400:2024
374:2024
261:and
361:doi
211:MHz
207:mJy
90:or
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324:^
119:pc
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235:±
227:±
180:±
166:/
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