HR Lyrae

	HR Lyrae
Observationsdata; Epok: J2000.0
Stjärnbild	Lyran
Rektascension	18t 53m 25,06s
Deklination	+29° 13′ 37,7″
Skenbar magnitud ()	+6,5 (maximum), +16,6 (minimum)
Stjärntyp
Variabeltyp	Nova (NA)
Andra beteckningar
	Nova Lyrae 1919, 2MASS J18532505+2913377, AAVSO 1849+29, AN 1.1920, HD 175268, HV 3521, CDS 1033, PLX 4372.00, CSI+29-18514, 2MASS J18532505+2913377

HR Lyrae eller Nova Lyrae 1919 var en nova i stjärnbilden Lyran. HR Lyrae nådde magnitud 6,5 i maximum och avklingade sedan snabbt.^[3] Novan upptäcktes den 6 december 1919 av amatörastronomen Joan C. Mackie.^[4]

Se även

Referenser

^ [a b c] ”HR Lyr”. The International Variable Star Index. AAVSO – American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=18258. Läst 3 november 2013.
^ ”Basic data: NOVA Lyr 1919 -- Nova”. AAVSO - American Association for Variable Star Observers. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HR+Lyr&submit=SIMBAD+search. Läst 28 oktober 2013.
^ Downes, Ronald A.; Webbink, Ronald F.; Shara, Michael M.; Ritter, Hans; Kolb, Ulrich; Duerbeck, Hilmar W. (2001). A Catalog and Atlas of Cataclysmic Variables: The Living Edition. "113(784)". http://arxiv.org/PS_cache/arxiv/pdf/0804/0804.4129v1.pdf. Läst 28 oktober 2013.
^ Strope, Richard J.; Schaefer, Bradley E.; Henden, Arne A. (2010). Catalog of 93 Nova Light Curves: Classification and Properties. "140". The American Astronomical Society. sid. 34-62. http://iopscience.iop.org/1538-3881/140/1/34/pdf/aj_140_1_34.pdf. Läst 3 november 2013.

[magnitud-1] [a b c] ”HR Lyr”. The International Variable Star Index. AAVSO – American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=18258. Läst 3 november 2013.

[SIMBAD-2] ”Basic data: NOVA Lyr 1919 -- Nova”. AAVSO - American Association for Variable Star Observers. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HR+Lyr&submit=SIMBAD+search. Läst 28 oktober 2013.

[cataclysm-3] Downes, Ronald A.; Webbink, Ronald F.; Shara, Michael M.; Ritter, Hans; Kolb, Ulrich; Duerbeck, Hilmar W. (2001). A Catalog and Atlas of Cataclysmic Variables: The Living Edition. "113(784)". http://arxiv.org/PS_cache/arxiv/pdf/0804/0804.4129v1.pdf. Läst 28 oktober 2013.

[lightcurve-4] Strope, Richard J.; Schaefer, Bradley E.; Henden, Arne A. (2010). Catalog of 93 Nova Light Curves: Classification and Properties. "140". The American Astronomical Society. sid. 34-62. http://iopscience.iop.org/1538-3881/140/1/34/pdf/aj_140_1_34.pdf. Läst 3 november 2013.

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