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REFERENCES & BIBLIOGRAPHY

REFERENCES

J.D. Fernie (1995) International Astronomical Journal-The Period-Gravity Telation for Radially Pulsating Variable Stars, 110: 2361-2364

P. Huges John (1999) The Astrophysical Journal, 527: 298-309

Affer, L., 2020. [online] Available at: <https://www.researchgate.net/figure/Differential-light-curve-of-GJ-3998-observed-by-APACHE-folded-at-the-best-period-P315_fig3_305287904> [Accessed 7 December 2020].

Affer L. et. al. (2016) Astronomy & Astrophysics manuscript no. GJ 3998, 1:1-20

Y. Lazovik et. al. (2020) The Astronomical Journal, 160: 1-10

M. Marconi et. al. (2020) The Astrophysical Journal, 898: L7

X. Chen et. al. (2020) The Astrophysical Journal Supplement Series, 249:18 (21pp)


BIBLIOGRAPHY

Google scholar (https://scholar.google.es/)

Laboratory for the study of Exoplanets (https://www.cfa.harvard.edu/smgphp/otherworlds/ExoLab/)

References (https://www.citethisforme.com/es)

The teacher's web (http://www.xtec.cat/~fperez5/)

Exoplanetarchive.ipac.caltech.edu (https://exoplanetarchive.ipac.caltech.edu/cgi-bin/nstedAPI/nph-nstedAPI?table=exoplanets&select=pl_hostname,ra,dec&order=dec&format=ascii)

The Extrasolar Planet Encyclopaedia-GJ 3998 b (http://exoplanet.eu/catalog/gj_3998_b/)

Dr. Fernie. Cepheids Dr. Fernie, R - rextester (https://rextester.com/XAKL30347)

Frommert Hartmut and Christine Kronberg-Charles Messier (https://www.messier.seds.org/xtra/Bios/messier.html)

Helen Sawyer Hogg (https://en.wikipedia.org/wiki/Helen_Sawyer_Hogg)

Pierre Méchain (https://en.wikipedia.org/wiki/Pierre_M%C3%A9chain)

William Herschel (https://en.wikipedia.org/wiki/William_Herschel)

Rudolph Minkowski (https://en.wikipedia.org/wiki/Rudolph_Minkowski)

NASA's Chandra X-ray Observatory (https://www.nasa.gov/mission_pages/chandra/main/index.html)

MS 073.6 +7421 NASA's Chandra X-ray Observatory (https://chandra.harvard.edu/photo/2006/ms0735/)

Johannes Kepler (https://en.wikipedia.org/wiki/Johannes_Kepler)

Exoplanet-Catalog (https://exoplanets.nasa.gov/exoplanet-catalog/7164/gj-3998-b/)

The Sky Live (https://theskylive.com/sky/constellations/ophiuchus-deepsky-objects)

Myths (https://en.wikipedia.org/wiki/Ophiuchus#History_and_mythology)