13 Sagittae

13 Sagittae
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS)
Constellation	Sagitta
Right ascension	20^h 00^m 03.30846^s^[1]
Declination	+17° 30′ 59.4373″^[1]
Spectral type	M3/5III

13 Sagittae is a star in the constellation Sagitta. Located around 313 parsecs (1,020 ly) distant, it is a red giant of spectral type M3/5III,^[1] a star that has used up its core hydrogen and has expanded. Classified as a semiregular variable and given the variable star designation VZ Sagittae, it varies between apparent magnitudes 5.27 and 5.57.^[2]

References

1 2 3 "13 Sagittae". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 4 January 2015.
↑ VSX (25 August 2009). "VZ Sagittae". AAVSO Website. American Association of Variable Star Observers. Retrieved 4 January 2015.

Stars of Sagitta

Bayer	α (Sham) β γ δ ε ζ η θ

Flamsteed	1 2 3 9 10 11 13 15 18

Variable	R S U V RZ SV UU WY WZ FG GY HM HT QT QW QY V338 V340 V344

HR	7198 7216 7260 7299 7662 7713 7780

HD	180377 187282 231701

Other	Black Widow Pulsar HAT-P-34 PSR B1944+17 WR 124

List

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