DM Lyrae

DM Lyrae
	; A visual band light curve for DM Lyrae, adapted from Nogami et al. (2003). The inset plot shows the superhump variations.
Observation data; Epoch J2000.0 Equinox J2000.0
Constellation	Lyra
Right ascension	18h 58m 44.43s
Declination	+30° 15′ 33.0″
Apparent magnitude (V)	+18 (quiet), +13.6 (burst)
Characteristics
Spectral type	? / White dwarf
Variable type	SU UMa
Orbit
Period (P)	0.0654092±0.000002 d
Periastron epoch (T)	2,451,343.8565±0.0015 HJD
Semi-amplitude (K1); (primary)	37±5 km/s
Details
Donor star
Mass	0.095±0.022 M☉
Radius	0.145±0.011 R☉
Other designations
	Lyr 1928, AN 250.1929, 1RXS J185845.1+301548, AAVSO 1854+30, DM Lyr
Database references
SIMBAD	data

DM Lyrae (DM Lyr for short) is a dwarf nova in the constellation Lyra. This binary system is composed of a primary star of unknown type, and a white dwarf companion. It erupted in 1928 and 1996 and reached about magnitude 13.^[1]

References

^ ^a ^b ^c Nogami, D.; et al. (2003). "The SU UMa Nature of the Dwarf Nova, DM Lyrae". Publications of the Astronomical Society of Japan. 55 (2): 483–488. arXiv:astro-ph/0301036. Bibcode:2003PASJ...55..483N. doi:10.1093/pasj/55.2.483. S2CID 18844865.
^ ^a ^b ^c Downes, Ronald A.; et al. (2001). "A Catalog and Atlas of Cataclysmic Variables: The Living Edition". Publications of the Astronomical Society of the Pacific. 113 (784): 764. arXiv:astro-ph/0102302. Bibcode:2001PASP..113..764D. doi:10.1086/320802. S2CID 16285959.
^ Thorstensen, John R.; Fenton, William H. (January 2003). "Five Dwarf Novae with Orbital Periods below Two Hours". The Publications of the Astronomical Society of the Pacific. 115 (803): 37–42. arXiv:astro-ph/0209172. Bibcode:2003PASP..115...37T. doi:10.1086/345103. S2CID 119343404.
^ ^a ^b Knigge, Christian (December 2006). "The donor stars of cataclysmic variables". Monthly Notices of the Royal Astronomical Society. 373 (2): 484–502. arXiv:astro-ph/0609671. Bibcode:2006MNRAS.373..484K. doi:10.1111/j.1365-2966.2006.11096.x. S2CID 2616606.
^ "DM Lyr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-11-15.

External links

"DM Lyr: A new UGSU Star". Retrieved June 22, 2006.
"DM Lyr". VSNET. Retrieved June 22, 2006.

This variable star–related article is a stub. You can help Wikipedia by expanding it.

This binary or multiple star system–related article is a stub. You can help Wikipedia by expanding it.

[Nogami_et_al_2003-1] Nogami, D.; et al. (2003). "The SU UMa Nature of the Dwarf Nova, DM Lyrae". Publications of the Astronomical Society of Japan. 55 (2): 483–488. arXiv:astro-ph/0301036. Bibcode:2003PASJ...55..483N. doi:10.1093/pasj/55.2.483. S2CID 18844865.

[Downes_et_al_2001-2] Downes, Ronald A.; et al. (2001). "A Catalog and Atlas of Cataclysmic Variables: The Living Edition". Publications of the Astronomical Society of the Pacific. 113 (784): 764. arXiv:astro-ph/0102302. Bibcode:2001PASP..113..764D. doi:10.1086/320802. S2CID 16285959.

[Thorstensen_Fenton_2003-3] Thorstensen, John R.; Fenton, William H. (January 2003). "Five Dwarf Novae with Orbital Periods below Two Hours". The Publications of the Astronomical Society of the Pacific. 115 (803): 37–42. arXiv:astro-ph/0209172. Bibcode:2003PASP..115...37T. doi:10.1086/345103. S2CID 119343404.

[Knigge2006-4] Knigge, Christian (December 2006). "The donor stars of cataclysmic variables". Monthly Notices of the Royal Astronomical Society. 373 (2): 484–502. arXiv:astro-ph/0609671. Bibcode:2006MNRAS.373..484K. doi:10.1111/j.1365-2966.2006.11096.x. S2CID 2616606.

[SIMBAD-5] "DM Lyr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-11-15.

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Observation data Epoch J2000.0 Equinox J2000.0
A visual band light curve for DM Lyrae, adapted from Nogami et al. (2003).^[1] The inset plot shows the superhump variations.
Constellation	Lyra
Right ascension	18^h 58^m 44.43^s^[2]
Declination	+30° 15′ 33.0″^[2]
Apparent magnitude (V)	+18 (quiet), +13.6 (burst)^[2]
Characteristics
Spectral type	? / White dwarf
Variable type	SU UMa^[1]
Orbit^[3]
Period (P)	0.0654092±0.000002 d
Periastron epoch (T)	2,451,343.8565±0.0015 HJD
Semi-amplitude (K₁) (primary)	37±5 km/s
Details
Donor star
Mass	0.095±0.022^[4] `M`_☉
Radius	0.145±0.011^[4] `R`_☉

Other designations
Lyr 1928, AN 250.1929, 1RXS J185845.1+301548, AAVSO 1854+30, DM Lyr^[5]
Database references
SIMBAD	data