Tham khảo Sigma Pegasi

  1. 1 2 3 4 5 6 van Leeuwen, F. (2007), “Validation of the new Hipparcos reduction”, Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357.
  2. 1 2 3 4 Nicolet, B. (1978), “Photoelectric photometric Catalogue of homogeneous measurements in the UBV System”, Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...34....1N.
  3. 1 2 3 4 Eggleton, P. P.; Tokovinin, A. A. (tháng 9 năm 2008), “A catalogue of multiplicity among bright stellar systems”, Monthly Notices of the Royal Astronomical Society, 389 (2): 869–879, arXiv:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x.
  4. 1 2 3 4 5 Gray, R. O.; và đồng nghiệp (2006), “Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample”, The Astronomical Journal, 132 (1): 161–70, arXiv:astro-ph/0603770, Bibcode:2006AJ....132..161G, doi:10.1086/504637.
  5. 1 2 Frasca, A.; và đồng nghiệp (1 tháng 12 năm 2009), “REM near-IR and optical photometric monitoring of pre-main sequence stars in Orion. Rotation periods and starspot parameters”, Astronomy and Astrophysics, 508 (3): 1313–1330, arXiv:0911.0760, Bibcode:2009A&A...508.1313F, doi:10.1051/0004-6361/200913327.
  6. 1 2 3 Ramírez, I.; và đồng nghiệp (tháng 2 năm 2013), “Oxygen abundances in nearby FGK stars and the galactic chemical evolution of the local disk and halo”, The Astrophysical Journal, 764 (1): 78, arXiv:1301.1582, Bibcode:2013ApJ...764...78R, doi:10.1088/0004-637X/764/1/78.
  7. ↑ Karatas, Y.; Schuster, W. J. (tháng 10 năm 2006), “Metallicity and absolute magnitude calibrations for UBV photometry”, Monthly Notices of the Royal Astronomical Society, 371 (4): 1793–1812, Bibcode:2006MNRAS.371.1793K, doi:10.1111/j.1365-2966.2006.10800.x.
  8. 1 2 Takeda, Yoichi; và đồng nghiệp (tháng 2 năm 2005), “High-Dispersion Spectra Collection of Nearby F—K Stars at Okayama Astrophysical Observatory: A Basis for Spectroscopic Abundance Standards”, Publications of the Astronomical Society of Japan, 57 (1): 13–25, Bibcode:2005PASJ...57...13T, doi:10.1093/pasj/57.1.13.
  9. ↑ “49 Peg”. SIMBAD. Trung tâm dữ liệu thiên văn Strasbourg. Truy cập ngày 10 tháng 8 năm 2017.
  10. ↑ Lépine, Sébastien; Shara, Michael M. (tháng 3 năm 2005), “A Catalog of Northern Stars with Annual Proper Motions Larger than 0.15" (LSPM-NORTH Catalog)”, The Astronomical Journal, 129 (3): 1483–1522, arXiv:astro-ph/0412070, Bibcode:2005AJ....129.1483L, doi:10.1086/427854.
  11. ↑ Pace, G. (tháng 3 năm 2013), “Chromospheric activity as age indicator. An L-shaped chromospheric-activity versus age diagram”, Astronomy & Astrophysics, 551: 4, arXiv:1301.5651, Bibcode:2013A&A...551L...8P, doi:10.1051/0004-6361/201220364, L8.
  12. ↑ Lépine, Sébastien; Bongiorno, Bethany (2007), “New Distant Companions to Known Nearby Stars. II. Faint Companions of Hipparcos Stars and the Frequency of Wide Binary Systems”, The Astronomical Journal, 133 (3): 889–905, arXiv:astro-ph/0610605, Bibcode:2007AJ....133..889L, doi:10.1086/510333.

Tài liệu tham khảo

WikiPedia: Sigma Pegasi http://adsabs.harvard.edu/abs/1978A&AS...34....1N http://adsabs.harvard.edu/abs/2005AJ....129.1483L http://adsabs.harvard.edu/abs/2005PASJ...57...13T http://adsabs.harvard.edu/abs/2006AJ....132..161G http://adsabs.harvard.edu/abs/2006MNRAS.371.1793K http://adsabs.harvard.edu/abs/2007A&A...474..653V http://adsabs.harvard.edu/abs/2007AJ....133..889L http://adsabs.harvard.edu/abs/2008MNRAS.389..869E http://adsabs.harvard.edu/abs/2009A&A...508.1313F http://adsabs.harvard.edu/abs/2013A&A...551L...8P