Misplaced Pages

R Reticuli

The visual band light curve of R Reticui, from AAVSO data
Observation data Epoch J2000      Equinox J2000
Constellation	Reticulum
Right ascension	04 33 32.83070
Declination	−63° 01′ 44.9951″
Apparent magnitude (V)	9.23 (6.35 – 14.2)
Characteristics
Evolutionary stage	AGB
Spectral type	M4e - M7.5e
B−V color index	1.099±0.045
Variable type	Mira
Astrometry
Radial velocity (Rv)	26.0±4.6 km/s
Proper motion (μ)	RA: +12.111 mas/yr Dec.: +16.384 mas/yr
Parallax (π)	1.3622 ± 0.0492 mas
Distance	2,390 ± 90 ly (730 ± 30 pc)
Details
Mass	0.88+0.04 −0 M☉
Radius	249+21 −34 R☉
Luminosity	7,571±1,671 L☉
Surface gravity (log g)	−0.445 cgs
Temperature	3,410+264 −131 K
Metallicity	0.55 dex
Other designations
R Ret, S Ret, HD 29383, HIP 21252, SAO 249053
Database references
SIMBAD	data

R Reticuli, also listed under the duplicate variable star designation S Reticuli, is a Mira variable star in the southern constellation Reticulum. It is an aging red giant star on the asymptotic giant branch with a stellar classification that varies between M4e to M7.5e, being hottest near maximum visual magnitude. The brightness of the star varies between apparent visual magnitudes 6.35 and 14.2 with an average period of 281.08±0.58 d. The mean maximum magnitude is 7.57 and the mean minimum magnitude 13.80.

References

1. "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
2. ^ Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
3. ^ Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644.
4. ^ VSX; Otero, S. A. (28 January 2011). "R Reticuli". AAVSO Website. American Association of Variable Star Observers. Retrieved 25 May 2014.
5. ^ Whitelock, Patricia A.; et al. (May 2008). "AGB variables and the Mira period-luminosity relation". Monthly Notices of the Royal Astronomical Society. 386 (1): 313–323. arXiv:0801.4465. Bibcode:2008MNRAS.386..313W. doi:10.1111/j.1365-2966.2008.13032.x. S2CID 17676993.
6. ^ Samus, N. N.; et al. (2017). "General Catalogue of Variable Stars". Astronomy Reports. 5.1. 61 (1): 80–88. Bibcode:2017ARep...61...80S. doi:10.1134/S1063772917010085. S2CID 125853869.
7. ^ Anders, F.; Khalatyan, A.; Chiappini, C.; Queiroz, A. B.; Santiago, B. X.; Jordi, C.; Girardi, L.; Brown, A. G. A.; Matijevič, G.; Monari, G.; Cantat-Gaudin, T.; Weiler, M.; Khan, S.; Miglio, A.; Carrillo, I.; Romero-Gómez, M.; Minchev, I.; De Jong, R. S.; Antoja, T.; Ramos, P.; Steinmetz, M.; Enke, H. (2019). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics. 628: A94. arXiv:1904.11302. Bibcode:2019A&A...628A..94A. doi:10.1051/0004-6361/201935765. S2CID 131780028.
8. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
9. "R Ret". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-11-18.
10. Skiff, B. A. (2014). "VizieR Online Data Catalog: Catalogue of Stellar Spectral Classifications (Skiff, 2009- )". VizieR On-line Data Catalog. Bibcode:2014yCat....1.2023S.
11. ^ Vogt, N.; et al. (November 2016). "Determination of Pulsation Periods and Other Parameters of 2875 Stars Classified as MIRA in the All Sky Automated Survey (ASAS)". The Astrophysical Journal Supplement Series. 227 (1): 13. arXiv:1609.05246. Bibcode:2016ApJS..227....6V. doi:10.3847/0067-0049/227/1/6. S2CID 119295645. 6.

v t e Constellation of Reticulum
List of stars in Reticulum Reticulum in Chinese astronomy
Stars	Bayer α β γ δ ε ζ ζ η θ ι κ Variable R YZ HR 1475 HD 21693 21749 23079 (Tupi) 23127 25171 27894 Other 2MASS J03480772−6022270 WISE 0350−5658 WISE 0359−5401
Exoplanets ε Reticuli b HD 23079 b HD 23127 b HD 27894 b
Galaxies	NGC 1313 1559
Astronomical events SN 1997D SN 2005df
Category

This variable star–related article is a stub. You can help Misplaced Pages by expanding it.

• v
• t
• e

• M-type giants
• Mira variables
• Reticulum
• Henry Draper Catalogue objects
• Hipparcos objects
• Objects with variable star designations
• Emission-line stars
• TIC objects
• Variable star stubs