NGC 4041 is the New General Catalogue identifier for a spiral galaxy in the northern circumpolar constellation of Ursa Major. It is located an estimated...

NGC 4036 is the New General Catalogue identifier for a lenticular galaxy in the northern circumpolar constellation of Ursa Major. In the Carnegie Atlas...

the thermonuclear fusion of helium at its core. The star has an estimated 1.47 times the mass of the Sun but has expanded to 20 times the Sun's radius...

HVGC-1 is the first discovered hypervelocity globular cluster. Discovered in 2014, it was found escaping the supergiant elliptical galaxy Messier 87,...

Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966...

the polar radius. The star has 2.79 times the mass of the Sun and around 3.1 times the Sun's radius. With an age of about 117 million years, it is radiating...

stellar classification of A9 V. The star has an estimated 1.81 times the mass of the Sun and around 1.3 times the Sun's radius. It is about 757 million years...

of hydrogen in its core region. It is around 4.45 billion years old with 1.19 times the mass of the Sun. The star is radiating energy from its outer...

velocities", Contributi Osservatorio Astronomico di Padova in Asiago, 239 (1): 1, Bibcode:1970CoAsi.239....1B. "* eps Crt -- Star". SIMBAD. Centre de données...

positions". GCN Circulars. 1189: 1. Bibcode:2001GCN..1189....1G. Archived from the original on 31 August 2009. Retrieved 1 June 2010. Gandolfi, Giangiacomo...

Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966...

It is an estimated 1.74 billion years old and is spinning with a projected rotational velocity of 39 km/s. Kappa Crateris has 1.74 times the mass of...

Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966...

rotating disk. The authors constrain the outer radius of the gaseous disk to 1.2 R☉. The authors also find absorption due to magnesium. Additional elements...

measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...34....1N. Malkov, O. Yu.; et al. (2012), "Dynamical...

systems. It approved the name Elgafar for the component Phi Virginis A on 1 June 2018 and it is now so included in the List of IAU-approved Star Names...

varying by 0.0125 in magnitude. These variations have four periods lasting 11.1, 12.3, 16.8, and 23.7 days. This star has 90% the mass of the sun, but it...

F-type giant star with a stellar classification of F5 III. It has an estimated 1.78 times the mass of the Sun and 2.8 times the Sun's radius. The star is spinning...

binarity", The Astronomical Journal, 135 (1): 209–231, Bibcode:2008AJ....135..209M, doi:10.1088/0004-6256/135/1/209, S2CID 121883397. Anderson, E.; Francis...

and 145% the radius of the Sun. It has a temperature of 6557 K and is about 1.9 billion years old. In comparison, the Sun is about 4.6 billion years old...

Hipparcos photometry: The least variable stars". Astronomy and Astrophysics. 367 (1): 297–298. Bibcode:2001A&A...367..297A. doi:10.1051/0004-6361:20000567. Houk...

et al. (2017), "General Catalogue of Variable Stars", Astronomy Reports, 5.1, 61 (1): 80–88, Bibcode:2017ARep...61...80S, doi:10.1134/S1063772917010085, S2CID 125853869...

4403 4404 4410 4411 4412 4413 4415 4416 4417 4418 4420 4422 4423 4424 4425 4428 4429 4430 4431 4432 4433 4434 4436 4440 4442 4445 4451 4452 4453 4454 4457...

component is an evolved red giant star with a stellar classification of M3 IIICa-1. It is an irregular variable with seven measured pulsation periods ranging...

peculiar stars", Monthly Notices of the Royal Astronomical Society, 429 (1): 119–125, arXiv:1211.1535, Bibcode:2013MNRAS.429..119P, doi:10.1093/mnras/sts318...

Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966...

light-years away in the constellation of Virgo. At that distance it spans over 1.5 light-years in this sharp telescopic view. Shrugging off its outer layers...

is orbited by the 9.4 magnitude B component, at an angular separation of 7.1 arcseconds. A fourth component C, 69.6 arcseconds away, has an apparent magnitude...

suburban skies at night. Based upon a measured annual parallax shift of 12.1 mas, it is located roughly 269 light-years (82.6 parsecs) from the Sun. If...

which, at the distance of this system, is equivalent to a physical span of 1.050±0.007 AU. The orbit is inclined by an angle of 110° to the line of sight...