波江 座 40
04h 15m 0s | 04h 15m 0s | 04h 15m 0s | |
16.320s[1] | 21.786s[2] | 21.50s[3] | |
−07° 39′ 0″ | −07° 39′ 0″ | −07° 39′ 0″ | |
10.34″[1] | 29.22″[2] | 22.3″[3] | |
4.43[1] | 9.52[4] | 11.17[4] | |
K1V[1] | DA4[4] | M4.5eV[5] | |
U-B |
0.45[4] | -0.68[4] | 0.83[4] |
B-V |
0.82[1] | 0.03[4] | 1.67[4] |
None[6] | None | ||
-43.0 |
-46 | ||
-2239.72 mas/yr[1] | -2228.3 mas/yr[2] | -2237 mas/yr[3] | |
-3420.35 mas/yr[1] | -3377.1 mas/yr[2] | -3411 mas/yr[3] | |
198.26 ± 0.84 mas[1] | |||
16.45 ± 0.07 (5.04 ± 0.02 | |||
5.92 | 11.01 | 12.66 | |
0.84 M☉[8] | 0.50 M☉[9][10] | 0.20 M☉[11] | |
0.81 R☉[11] | 0.014 R☉[10] | 0.31 R☉[11] | |
0.4L☉[12] | 0.013 L☉[12] | 0.008 L☉[13] | |
5,200 K[8] | 16,500 K[9] | 3,100 K[14] | |
4·109 to 12·109 | |||
BC/A | C/B | ||
~8000 |
252.1 | ||
~400 |
6.943" (~35 | ||
0.410[16] | |||
108.9°[16] | |||
150.9°[16] | |||
1849.6[16] | |||
327.8°[16] | |||
其他 | |||
A: Keid,
B: C: DY Eri[6], DY Eridani, |
一般 資 訊[编辑]
生命 的 可能 [编辑]
星 际迷航 溯源 [编辑]
行 星 系 统[编辑]
一颗质量不低于±0.47 8.47
( |
质量 | ( |
轨道 ( |
|||
---|---|---|---|---|---|---|
b | 8.47±0.47 M⊕ | 46±0.00004 0.224 | 42.38 ± 0.01 days | +0.05 −0.03 0.04 |
— | — |
參考 資料 [编辑]
- ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Hipparcos Catalogue; CDS ID I/239 (页面
存 档备份,存 于互联网档案 馆). Astrometric data updated from J1991.25 to J2000.0. - ^ 2.0 2.1 2.2 2.3 Second U.S. Naval Observatory CCD Astrograph Catalog (UCAC2); CDS ID I/289 (页面
存 档备份,存 于互联网档案 馆). - ^ 3.0 3.1 3.2 3.3 Improved Astrometry and Photometry for the Luyten Catalog. II. Faint Stars and the Revised Catalog (页面
存 档备份,存 于互联网档案 馆), Samir Salim and Andrew Gould, Astrophysical Journal 582, #2 (January 2003), pp. 1011–1031; CDS ID J/ApJ/582/1011 (页面存 档备份,存 于互联网档案 馆). - ^ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 Gliese Catalogue of Nearby Stars, preliminary 3rd ed., 1991. CDS ID V/70A (页面
存 档备份,存 于互联网档案 馆). - ^ General Catalogue of Trigonometric Parallaxes, 4th ed., 1995. CDS ID I/238A (页面
存 档备份,存 于互联网档案 馆). - ^ 6.0 6.1 6.2 40 Eri A is misidentified by SIMBAD as being the flare star DY Eri. DY Eri is 40 Eri C. See the GCVS entry for 40 Eri.
- ^ Combined General Catalogue of Variable Stars (GCVS), v. 4.2. CDS ID II/250 (页面
存 档备份,存 于互联网档案 馆). - ^ 8.0 8.1 8.2 The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ~14 000 F and G dwarfs (页面
存 档备份,存 于互联网档案 馆), B. Nordström, M. Mayor, J. Andersen, J. Holmberg, F. Pont, B. R. Jørgensen, E. H. Olsen, S. Udry, and N. Mowlavi, Astronomy and Astrophysics 418 (May 2004), pp. 989–1019; CDS ID J/A+A/418/989 (页面存 档备份,存 于互联网档案 馆). - ^ 9.0 9.1 The Temperature Scale and Mass Distribution of Hot DA White Dwarfs (页面
存 档备份,存 于互联网档案 馆), David S. Finley, Detlev Koester, and Gibor Basri, Astrophysical Journal 488 (October 10, 1997), pp. 375–396. - ^ 10.0 10.1 Testing the White Dwarf Mass-Radius Relation with HIPPARCOS (页面
存 档备份,存 于互联网档案 馆), J. L. Provencal, H. L. Shipman, Erik Hog, and P. Thejll, Astrophysical Journal 494 (February 20, 1998), pp. 759–767. - ^ 11.0 11.1 11.2 Catalogue of nearest stars until 10pc, V. A. Zakhozhaj. Revised 1996. CDS ID V/101 (页面
存 档备份,存 于互联网档案 馆). - ^ 12.0 12.1 12.2 12.3 Keid 互联网档
案 馆的 存 檔,存 档日期 2007-05-14., Jim Kaler, STARS web page, accessed May 15, 2007. - ^ From L=4
π R2σ Teff4. - ^ Predicted infrared brightness of stars within 25 parsecs of the sun (页面
存 档备份,存 于互联网档案 馆), H. M. Johnson and C. D. Wright, Astrophysical Journal Supplement 53 (November 1983), pp. 643–711. - ^ Age determinations of main-sequence stars: combining different methods (页面
存 档备份,存 于互联网档案 馆), R. Lachaume, C. Dominik, T. Lanz, and H. J. Habing, Astronomy and Astrophysics 348 (August 1999), pp. 897–909. - ^ 16.00 16.01 16.02 16.03 16.04 16.05 16.06 16.07 16.08 16.09 Astrometric study of four visual binaries (页面
存 档备份,存 于互联网档案 馆), W. D. Heintz, Astronomical Journal 79, #7 (July 1974), pp. 819–825. - ^ Catalogue of Double Stars, William Herschel, Philosophical Transactions of the Royal Society of London 75 (1785), pp. 40–126
- ^ The orbit and the masses of 40 Eridani BC (页面
存 档备份,存 于互联网档案 馆), W. H. van den Bos, Bulletin of the Astronomical Institutes of the Netherlands 3, #98 (July 8, 1926), pp. 128–132. - ^ White Dwarfs, E. Schatzman, Amsterdam: North-Holland, 1958.
- ^
伊 世 同 《中西 中西 对照恒星 图表》 - ^
中國 天文學 史 《星 象 篇 》陳 遵媯附 表 6中西 星名 對照 表 與 附 表 七 西中 星名 對照 表 - ^ 22.0 22.1 40 (Omicron2) Eridani 3 (页面
存 档备份,存 于互联网档案 馆) at solstation.com, accessed May 15, 2007. - ^ Vulcan system (页面
存 档备份,存 于互联网档案 馆), Memory Alpha. Accessed on line March 17, 2008. - ^ Ma, Bo; Ge, Jian; Muterspaugh, Matthew; Singer, Michael A; Henry, Gregory W; González Hernández, Jonay I; Sithajan, Sirinrat; Jeram, Sarik; Williamson, Michael; Stassun, Keivan; Kimock, Benjamin; Varosi, Frank; Schofield, Sidney; Liu, Jian; Powell, Scott; Cassette, Anthony; Jakeman, Hali; Avner, Louis; Grieves, Nolan; Barnes, Rory; Gilda, Sankalp; Grantham, Jim; Stafford, Greg; Savage, David; Bland, Steve; Ealey, Brent. The first super-Earth Detection from the High Cadence and High Radial Velocity Precision Dharma Planet Survey. Monthly Notices of the Royal Astronomical Society. 2018, 480 (2): 2411. Bibcode:2018MNRAS.480.2411M. arXiv:1807.07098 . doi:10.1093/mnras/sty1933.
相關 條目 [编辑]
外部 連結 [编辑]
- Keid at Jim Kaler's STARS.
- 40 (Omicron2) Eridani 3 (页面
存 档备份,存 于互联网档案 馆) at solstation.com. - Omicron(2) Eridani entry at the Internet Stellar Database.