Blog page 113




                                               

HR 5553

HR 5553 is a binary star system located thirty-eight light-years away from the Sun, in the northern constellation Bootes. It has the variable star designation DE Bootis, and is classified as an RS Canum Venaticorum variable that ranges in apparen ...

                                               

Iota Bootis

Iota Bootis is a star system in the constellation Bootes. It has the traditional name Asellus Secundus and the Flamsteed designation 21 Bootis. It is approximately 95 light years from Earth.

                                               

Kappa Bootis

Kappa Bootis is a double star in the constellation Bootes. It has the traditional name Asellus Tertius and the Flamsteed designation 17 Bootis. The components are separated by an angular distance of 13.5 arcsec, viewable in a small telescope. Kap ...

                                               

Lambda Bootis

Lambda Bootis, also named Xuange, is a star in the northern constellation of Bootes. Based on parallax measurements, it is approximately 99 light-years from the Sun. Lambda Bootis is a white A-type main sequence dwarf with an apparent magnitude o ...

                                               

Mu Bootis

Mu Bootis, Latinized from μ Bootis, consists of a pair of double stars in the northern constellation of Bootes. The primary pair, components Aa, are designated μ 1 Bootis and have an angular separation of 0.08″. The secondary, consisting of compo ...

                                               

NGC 5466

NGC 5466 is a class XII globular cluster in the constellation Bootes. Located 51.800 light years from Earth and 52.800 light years from the galactic center, it was discovered by William Herschel on May 17, 1784, as H VI.9. This globular cluster i ...

                                               

Nu1 Bootis

Nu 1 Bootis is an orange-hued star in the northern constellation of Bootes. It has an apparent visual magnitude of +5.02, which indicates the star is faintly visible to the naked eye. Based upon an annual parallax shift of 3.89 mas as seen from E ...

                                               

Nu2 Bootis

Nu 2 Bootis is a white-hued binary star system in the northern constellation of Bootes. It is faintly visible to the naked eye with a combined apparent visual magnitude of 5.02. Based upon an annual parallax shift of 7.86 mas as seen from the Ear ...

                                               

Omega Bootis

Omega Bootis is the Bayer designation for a solitary, orange-hued star in the northern constellation of Bootes. It is a dim star but visible to the naked eye with an apparent visual magnitude of +4.82. Based upon an annual parallax shift of 8.78 ...

                                               

Omicron Bootis

Omicron Bootis is a yellow-hued star in the northern constellation of Bootes. With an apparent visual magnitude of +4.60, it is a fifth magnitude star that is visible to the naked eye. Based upon an annual parallax shift of 13.42 mas as seen from ...

                                               

Phi Bootis

Phi Bootis is a single, yellow-hued star in the northern constellation of Bootes. It is dimly visible to the naked eye with an apparent visual magnitude of +5.24. Based upon an annual parallax shift of 19.22 mas as seen from the Earth, it is loca ...

                                               

Pi Bootis

Pi Bootis, Latinized from π Bootis, is a probable triple star system in the northern constellation of Bootes. It is visible to the naked eye with a combined apparent visual magnitude of 4.50. Based upon an annual parallax shift of 10.67 mas as se ...

                                               

Psi Bootis

Psi Bootis is a single, orange-hued star in the northern constellation of Bootes. It is a dim star that is visible to the naked eye with an apparent visual magnitude of +4.55. Based upon an annual parallax shift of 13.26 mas as seen from the Eart ...

                                               

Rho Bootis

Rho Bootis, Latinized from ρ Bootis, is a single, orange-hued star in the northern constellation of Bootes. It is visible to the naked eye with an apparent visual magnitude of 3.59. Based upon parallax measurements, it is located at a distance of ...

                                               

SDSS J1416+1348

SDSS J1416+1348 is a nearby wide binary system of two brown dwarfs, located in constellation Bootes. The system consists of L-type component A and T-type component B.

                                               

Sigma Bootis

Sigma Bootis is a star in the constellation Bootes. Sigma Bootis is a yellow-white F-type main sequence dwarf with an apparent magnitude of +4.47. It is approximately 50.4 light years from Earth. In Chinese, 梗河 Geng He, meaning Celestial Lance, ...

                                               

Tau Bootis

Tau Bootis, Latinized from τ Bootis, is an F-type main-sequence star approximately 51 light-years away in the constellation of Bootes. The system is also a binary star system, with the secondary star being a red dwarf. As of 1999, an extrasolar p ...

                                               

TVLM 513-46546

TVLM 513-46546 is an M9 ultracool dwarf at the red dwarf/ brown dwarf mass boundary in the constellation Bootes. It exhibits flare star activity, which is most pronounced at radio wavelengths. The star has a mass approximately 80 times the mass o ...

                                               

Upsilon Bootis

Upsilon Bootis is a single, orange-hued star in the northern constellation of Bootes. It is a fourth magnitude star that is visible to the naked eye. Based upon an annual parallax shift of 12.38 mas as seen from the Earth, it is located about 263 ...

                                               

WASP-14b

WASP-14b is an extrasolar planet discovered in 2008 by SuperWASP using the transit method. Follow-up radial velocity measurements showed that the mass of WASP-14b is almost eight times larger than that of Jupiter. The radius found by the transit ...

                                               

Xi Bootis

Xi Bootis is a binary star system 22 light years away from Earth. It is the nearest visible star in the constellation Bootes. The brighter, primary component of the pair has a visual magnitude of 4.70, making it visible to the naked eye.

                                               

ZZ Bootis

ZZ Bootis is a star system in the constellation Bootes. It varies from magnitude 6.79 to 7.44 over 5 days. Based on its parallax, measured by the Gaia spacecraft, it is about 350 light-years away.

                                               

Alpha Caeli

Alpha Caeli is a double star system in the constellation Caelum. Alpha Caeli A is an F-type main sequence star with a stellar classification of F2V and an apparent magnitude of +4.44. It has 1.48 times the mass of the Sun and 1.3 times the solar ...

                                               

Beta Caeli

Beta Caeli is the Bayer designation for a star in the southern constellation of Caelum. It is a dim star but visible to the naked eye, having an apparent visual magnitude of 5.04. Based upon an annual parallax shift of 4.88 mas as seen from Earth ...

                                               

Delta Caeli

Delta Caeli is a solitary, blue-white hued star in the southern constellation of Caelum. It is a dim star but visible to the naked eye, having an apparent visual magnitude of +5.06. Based upon an annual parallax shift of 4.63 mas as seen from Ear ...

                                               

Lambda Caeli

Lambda Caeli, Latinized from λ Caeli, is a star in the constellation Caelum. It is also known by its designations HD 30202 and HR 1518. This star is a challenge to view with the naked eye, having an apparent visual magnitude of 6.24. Based on par ...

                                               

Nu Caeli

Nu Caeli is a yellow-white hued star in the constellation Caelum. It has an apparent visual magnitude of 6.07, which indicates it is near the lower limit on brightness that is visible to the naked eye. According to the Bortle scale, the star can ...

                                               

RR Caeli

RR Caeli is a double star in the constellation Caelum. It is approximately 66 light years from Earth. It was first noted to be a high-proper motion star in 1955 by Jacob Luyten, and given the name LFT 349. Discovered to be an eclipsing binary in ...

                                               

X Caeli

X Caeli, or Gamma 2 Caeli, is a binary star system in the southern constellation of Caelum. It is barely visible to the naked eye with an apparent visual magnitude of 6.32. based upon an annual parallax shift of 9.6 mas, it is located 341 light y ...

                                               

1 Cancri

1 Cancri is a single star in the zodiac constellation of Cancer, positioned near the border with Gemini at a distance of around 470 light years from the Sun. It is barely visible to the naked eye as a dim, orange-hued star with an apparent visual ...

                                               

3 Cancri

3 Cancri is a single star in the zodiac constellation of Cancer, located around 810 light years from the Sun. It is visible to the naked eye as a dim, orange-hued star with an apparent visual magnitude of 5.60. This object is moving further from ...

                                               

5 Cancri

5 Cancri is a single star in the zodiac constellation of Cancer, located around 520 light years away from the Sun. It is just visible to the naked eye under good seeing conditions as a dim, blue-white hued star with an apparent visual magnitude o ...

                                               

7 Cancri

7 Cancri is a giant star in the constellation Cancer. Its apparent magnitude is 6.84 and it is about 559 ly away. The annual parallax of 7 Cancri determined from the Hipparcos satellite mission is 488 ± 0.56 mas, giving a distance of 202 pc with ...

                                               

8 Cancri

8 Cancri is a single, white-hued star in the zodiac constellation of Cancer. It has an apparent visual magnitude of +5.14, which indicates it is faintly visible to the naked eye under suitable viewing conditions. The distance to this star, as det ...

                                               

12 Cancri

12 Cancri is a star in the zodiac constellation Cancer. It has an apparent visual magnitude of 6.25, placing just below the normal limit for stars visible to the naked eye in good seeing conditions. The star displays an annual parallax shift of 1 ...

                                               

14 Cancri

14 Cancri is a star in the northern zodiac constellation of Cancer. It can be referred to as ψ Cancri, very occasionally as ψ 2 Cancri, to distinguish it from 13 Cancri which is sometimes called ψ 1 Cancri. It is just barely visible to the naked ...

                                               

15 Cancri

15 Cancri is an α 2 CVn-type variable star in the zodiac constellation of Cancer, located around 980 light years away. It has the variable star designation BM Cancri ; 15 Cancri is the Flamsteed designation. This system is visible to the naked ey ...

                                               

21 Cancri

21 Cancri is a double star in the northern zodiac constellation of Cancer. It is just visible to the naked eye as a dim, red-hued star with an apparent visual magnitude of 6.08. The star is located around 820 light years away from the Sun, based ...

                                               

25 Cancri

25 Cancri is a common proper motion star system in the zodiac constellation of Cancer, located around 348 light years away from the Sun. It has the Bayer designation d 2 Cancri ; 25 Cancri is the Flamsteed designation. It is near the lower limit ...

                                               

27 Cancri

27 Cancri is a single star in the zodiac constellation of Cancer, located around 990 light years away from the Sun. It is visible to the naked eye as a faint, red-hued star with a typical apparent visual magnitude of around +5.56. The star is mov ...

                                               

29 Cancri

29 Cancri is a star in the zodiac constellation of Cancer, located 370 light years from the Sun. It is just visible to the naked eye as a dim, white-hued star with an apparent visual magnitude of 5.94. The star is situated near the ecliptic, whic ...

                                               

34 Cancri

34 Cancri is a star in the zodiac constellation of Cancer, located about 568 light years away from the Sun. It is a challenge to view with the naked even under good viewing conditions, having an apparent visual magnitude of 6.48. At the distance ...

                                               

35 Cancri

35 Cancri is a star in the zodiac constellation of Cancer, located 630 light years from the Sun. It is a challenge to view with the naked eye even under good seeing conditions, having an apparent visual magnitude of +6.55. The star is moving furt ...

                                               

36 Cancri

36 Cancri is a star in the southern part of the zodiac constellation of Cancer, located around 501 light years away from the Sun. It has the Bayer designation c Cancri ; 36 Cancri is the Flamsteed designation. This object is a visible to the nake ...

                                               

37 Cancri

37 Cancri is a star in the zodiac constellation of Cancer. It is a challenge to view with the naked eye, having an apparent magnitude of 6.54. The star is moving away from the Earth with a heliocentric radial velocity of +22 km/s, having come as ...

                                               

38 Cancri

38 Cancri is a variable star in the zodiac constellation Cancer, located around 607 light years from the Sun. This object has the variable star designation BT Cancri ; 38 Cancri is the Flamsteed designation. It is a member of the Praesepe cluster ...

                                               

39 Cancri

39 Cancri is a star in the constellation Cancer, located about 614 light years from the Sun in the Beehive Cluster. It is a challenge to see with the naked eye, having an apparent visual magnitude of 6.39. This object is moving further from the E ...

                                               

40 Cancri

40 Cancri is a binary star system in the zodiac constellation of Cancer, located about 614 light years from the Sun in the Beehive Cluster. It is a challenge to view with the naked eye, having an apparent visual magnitude of 6.61. The system is m ...

                                               

45 Cancri

45 Cancri is a binary star system in the zodiac constellation of Cancer, located 680 light years away from the Sun. It has the Bayer designation A 1 Cancri ; 45 Cancri is the Flamsteed designation. It is visible to the naked eye as a faint, white ...

                                               

46 Cancri

46 Cancri is a star in the zodiac constellation of Cancer, located around 680 light years away from the Sun. It is a dim, yellow-hued star, near the lower limits of visibility to the naked eye with an apparent visual magnitude of 6.12. The star i ...