HV 11417

HV 11417
Observation data; Equinox J2000.0]] (ICRS)
Constellation	Tucana
Right ascension	01h 00m 48.2s
Declination	−72° 51′ 02.1″
Apparent magnitude (V)	19.83
Characteristics
Evolutionary stage	M-type supergiant, Thorne-Żytkow object?
Spectral type	M5Ie
Astrometry
Proper motion (μ)	RA: −0.307 mas/yr ; Dec.: −1.769 mas/yr
Details
Luminosity	74100 L☉
Other designations
	HV 11417, PMMR 113, TIC 182293383
Database references
SIMBAD	data

Short description: Candidate Thorne–Żytkow object in the constellation Tucana

HV 11417 is a candidate Thorne–Żytkow object, put forward in a paper by Emma Beasor and collaborators. The paper also claims that another candidate for the Thorne–Żytkow object, HV 2112, was not a Thorne–Żytkow object because it seemingly possessed no strange quality that would label it as a Thorne–Żytkow object.^[1] HV 11417 has since been identified as a likely foreground halo star.^[3]

References

↑ ^1.0 ^1.1 ^1.2 ^1.3 Beasor, Emma R.; Davies, Ben; Cabrera-Ziri, Ivan; Hurst, Georgia (2018-07-02). "A critical re-evaluation of the Thorne–Żytkow object candidate HV 2112". Monthly Notices of the Royal Astronomical Society 479 (3): 3101–3105. doi:10.1093/mnras/sty1744. Bibcode: 2018MNRAS.479.3101B.
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 "HV 11417". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HV+11417.
↑ O'Grady, Anna (2020). "Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds from ASAS-SN: Implications for Thorne-Żytkow Objects and Super-asymptotic Giant Branch Stars". Astrophysical Journal 901 (2): 135. September 2020. doi:10.3847/1538-4357/abafad. Bibcode: 2020ApJ...901..135O.

0.00

(0 votes)

Original source: https://en.wikipedia.org/wiki/HV 11417. Read more

[Beasor-1] 1.0 ^1.1 ^1.2 ^1.3 Beasor, Emma R.; Davies, Ben; Cabrera-Ziri, Ivan; Hurst, Georgia (2018-07-02). "A critical re-evaluation of the Thorne–Żytkow object candidate HV 2112". Monthly Notices of the Royal Astronomical Society 479 (3): 3101–3105. doi:10.1093/mnras/sty1744. Bibcode: 2018MNRAS.479.3101B.

[SIMBAD-2] 2.0 ^2.1 ^2.2 ^2.3 ^2.4 "HV 11417". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HV+11417.

[ogrady-3] O'Grady, Anna (2020). "Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds from ASAS-SN: Implications for Thorne-Żytkow Objects and Super-asymptotic Giant Branch Stars". Astrophysical Journal 901 (2): 135. September 2020. doi:10.3847/1538-4357/abafad. Bibcode: 2020ApJ...901..135O.

[1]

[2]

[3]

v t e 2018 in space
« 2017 2019 »
Space probe launches	TESS (lunar flyby; Apr 2018) InSight / Mars Cube One (mission to Mars; May 2018) Parker Solar Probe (solar space mission; Aug 2018) BepiColombo (mission to Mercury; Oct 2018) Chang'e 4 / Yutu-2 (mission to the Moon; Dec 2018)
Impact events	2018 LA Kamchatka meteor
Selected NEOs	Asteroid close approaches 2010 WC9 2017 VR12 2017 YE5 2017 YZ1 2018 AH 2018 BD 2018 BF3 2018 CB 2018 CC 2018 CF2 2018 CL 2018 CN2 2018 CY2 2018 DV1 2018 GE3 2018 PD20 2018 LF16 2018 WV1 (276033) 2002 AJ129 (163899) 2003 SD220 (505657) 2014 SR339
Exoplanets	Gliese 1132 c K2-141b K2-146b K2-148b K2-155d K2-229b K2-239b K2-239c K2-239d K2-288Bb Barnard's Star b EPIC 211945201 b HD 89345 b KELT-21b NGTS-3Ab
Discoveries	AT2018cow Novae (List) Carina Musca Perseus MACS J1149 Lensed Star 1 Hyperion proto-supercluster 2015 TH367 (orbit announced) 2015 TG387 (orbit announced) 2017 OF69 (announced) 2018 VG18
Comets	C/2018 V1 46P/Wirtanen Hyperbolic comets C/2017 U7 (announced in 2018) C/2018 C2 (Lemmon) C/2018 F4 (PANSTARRS)
Space exploration	Hayabusa2 (asteroid Ryugu arrival; June 2018) OSIRIS-REx (asteroid Bennu arrival; Dec 2018) New Horizons (encounter with 486958 Arrokoth; Dec 2018 / Jan 2019) Dawn retirement Kepler retirement
Category:2017 in space — Category:2018 in space — Category:2019 in space

HV 11417

Topic: Astronomy

References