Zoznam najmenších hviezd
Vzhľad
Zoznamy hviezd • |
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Toto je zoznam najmenších hviezd zoradený podľa priemeru v jednotkách priemeru Slnka (1 391 400 km) a priemeru Jupitera (142 984 km). Nie sú tu uvedené hnedé trpaslíky s priemerom pod 120 000 km, biele trpaslíky a neutrónové hviezdy. Priemery planét sú uvedené len pre porovnanie.
Hviezda | Priemer v km | Priemer Slnka |
Priemer Jupitera |
Teplota | Absolútna magnitúda |
Referencie |
---|---|---|---|---|---|---|
Zem | 12 756 | 0,009 | 0,08 | – | – | |
EBLM J0555-57Ab | 118 000 | 0,085 | 0,83 | [1][2][3] | ||
SSSPM J0829-1309 | 122 600 | 0,088 | 0,86 | 2117 K | [4] | |
RG 0050-2722 | 126 600 | 0,091 | 0,89 | 2402 K | [4] | |
LP 771-021 | 129 400 | 0,093 | 0,90 | 2512 K | [4] | |
2MASS J0523-1403 | 141 200 | 0,101 | 0,99 | 2074 K | [4][5][6] | |
Jupiter | 142 984 | 0,103 | 1 | – | – | |
BRI B0021−0214 | 151 660 | 0,109 | 1,06 | 2315 K | [4] | |
LEHPM1−0494B | 153 050 | 0,110 | 1,07 | 2305 K | [4] | |
OGLE-TR-122b | 162 200 | 0,117 | 1,13 | [7][8][9] | ||
GJ 644C | 166 970 | 0,120 | 1,17 | 2611 K | ||
TRAPPIST-1 | 168 360 | 0,121 | 1,18 | 2511 K | 18,4 | [10] |
SO0253+1652 | 176 710 | 0,127 | 1,24 | 2656 K | [4] | |
LHS 132 | 185 060 | 0,133 | 1,29 | 2513 K | [4] | |
GJ 551 | 196 190 | 0,141 | 1,37 | [11] | ||
Proxima Centauri | 202 000 | 0,154 | 1,50 | [11] | ||
LEHPM1−0494A | 211 490 | 0,152 | 1,48 | 2918 K | [4] | |
Ross 248 | 222 800 | 0,160 | 1,56 | [12] | ||
Wolf 359 | 222 800 | 0,160 | 1,56 | 2700 K | 16,65 | [13] |
Barnardova hviezda | 272 800 | 0,196 | 1,91 | [11] | ||
Ross 128 | 273 690 | 0,197 | 1,92 | [14] | ||
Ross 154 | 334 000 | 0,240 | 2,34 | [15] | ||
Gliese 581 | 416 030 | 0,299 | 2,91 | [16] | ||
Luytenova hviezda | 487 000 | 0,350 | 3,41 | [17] | ||
Teide 1 | 540 480 | 0,388 | 3,78 | [18] | ||
Lalande 21185 | 547 000 | 0,393 | 3,83 | [11] | ||
GJ 887 | 638 650 | 0,459 | 4,47 | [11] | ||
Lacaille 9352 | 640 000 | 0,460 | 4,48 | [11] |
Referencie
[upraviť | upraviť zdroj]- ↑ Eric Mack. Saturn-sized star is the smallest ever discovered [online]. cnet, 11 July 2017. Dostupné online.
- ↑ Smallest-ever star discovered by astronomers [online]. University of Cambridge, 2017. Dostupné online.
- ↑ The EBLM project; III. A Saturn-size low-mass star at the hydrogen-burning limit. Astronomy and Astrophysics, 12 June 2017, s. L6. DOI: 10.1051/0004-6361/201731107. EBLM_III.
- ↑ a b c d e f g h i The Solar Neighborhood XXXII. The Hydrogen Burning Limit. The Astronomical Journal, May 2014, s. 25. DOI: 10.1088/0004-6256/147/5/94. 94.
- ↑ John Bochanski. New Cutoff for Star Sizes [online]. Sky and Telescope, 23 December 2013. Dostupné online.
- ↑ Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime. The Astrophysical Journal, 2015, s. 158. DOI: 10.1088/0004-637X/810/2/158.
- ↑ Robert Roy Britt. Newfound Star Smaller than Some Planets [online]. Space.com, 3 March 2005. Dostupné online.
- ↑ What is the smallest star? [online]. SpaceAnswers.com, 22 March 2013. Dostupné online.
- ↑ A planet-sized transiting star around OGLE-TR-122. Accurate mass and radius near the hydrogen-burning limit. Astronomy and Astrophysics, 27 January 2005, s. L21–L24. DOI: 10.1051/0004-6361:200500025.
- ↑ Stellar parameters for TRAPPIST-1. The Astrophysical Journal, January 2018. DOI: 10.3847/1538-4357/aaa023.
- ↑ a b c d e f Mass-radius relation of low and very low-mass stars revisited with the VLTI. Astronomy and Astrophysics, 2 June 2009, s. 205–215. DOI: 10.1051/0004-6361/200911976.
- ↑ Predicted infrared brightness of stars within 25 parsecs of the Sun. Astrophysical Journal Supplement Series, November 1983, s. 643–711, 705. DOI: 10.1086/190905.
- ↑ Optical and infrared photometry of dwarf M and K stars. Astronomy and Astrophysics, 1990, s. 335–339.
- ↑ HOW TO CONSTRAIN YOUR M DWARF: MEASURING EFFECTIVE TEMPERATURE, BOLOMETRIC LUMINOSITY, MASS, AND RADIUS. The Astrophysical Journal, 4 May 2015, s. 64. Dostupné online [cit. 2020-03-28]. DOI: 10.1088/0004-637X/804/1/64.
- ↑ JOHNSON, H. M.; WRIGHT, C. D.. Predicted infrared brightness of stars within 25 parsecs of the sun. Astrophysical Journal Supplement Series, 1983, s. 643–711. DOI: 10.1086/190905. —see p. 693.
- ↑ Astrophysical Parameters and Habitable Zone of the Exoplanet Hosting Star GJ 581. The Astrophysical Journal Letters, 2011. DOI: 10.1088/2041-8205/729/2/L26.
- ↑ Radial Velocities for 889 Late-Type Stars. The Astrophysical Journal Supplement Series, August 2002, s. 503–522. DOI: 10.1086/340570.
- ↑ All Exoplanets [online]. . Dostupné online.