Blog page 135




                                               

Nu Persei

ν Persei, Latinized as Nu Persei, is a single star and a suspected variable in the northern constellation of Perseus. It has a yellow-white hue and is visible to the naked eye with an apparent visual magnitude of 3.80. This object is located appr ...

                                               

Omega Persei

Omega Persei is a solitary, orange-hued star in the northern constellation of Perseus. It has the traditional name Gorgonea Quarta, being the fourth member of the quartet called the Gorgonea in reference to the Gorgons from the legend of Perseus. ...

                                               

Omicron Persei

Omicron Persei is a triple star system in the constellation of Perseus. From parallax measurements taken during the Hipparcos mission it is approximately 1.100 light-years from the Sun. The system consists of a binary pair designated Omicron Pers ...

                                               

Perseus molecular cloud

The Perseus molecular cloud is a nearby giant molecular cloud in the constellation of Perseus and contains over 10.000 solar masses of gas and dust covering an area of 6 by 2 degrees. Unlike the Orion molecular cloud it is almost invisible apart ...

                                               

Phi Persei

Phi Persei is a Class B2Vpe, fourth-magnitude star in the constellation Perseus. Phi Persei is binary consisting of a blue main sequence primary of class B2 and an apparent magnitude of 4.01 and a hot subdwarf secondary. Due to its rapid rotation ...

                                               

Pi Persei

π Persei, Latinized as Pi Persei, is a single star in the northern constellation of Perseus. It has the traditional name Gorgonea Secunda, the second of three Gorgons in the mythology of the hero Perseus. This star has a white hue and is faintly ...

                                               

Psi Persei

Psi Persei is a Be star in the northern constellation of Perseus. It has an apparent visual magnitude of 4.31, so it is visible to the naked eye at night under suitably dark skies. Based on parallax measurements, it is located at a distance of ro ...

                                               

PSR J0357+3205

PSR J0357+3205 is a pulsar is located about 1.600 light years from Earth. PSR J0357+3205 was originally discovered by the Fermi Gamma-ray Space Telescope in 2009.

                                               

Rho Persei

Rho Persei is a star in the northern constellation of Perseus. It has the traditional name Gorgonea Tertia, being the third member of the quartet called the Gorgonea in reference to the Gorgons from the legend of Perseus. An apparent visual magni ...

                                               

RS Persei

RS Persei is a red supergiant variable star located in the Double Cluster in Perseus. The stars apparent magnitude varies from 7.82 to 10.0, meaning it is never visible to the naked eye.

                                               

S Persei

S Persei is a red supergiant located near the Double Cluster in Perseus, north of the cluster NGC 869. It is a member of the Perseus OB1 association and one of the largest known stars. It is also a semiregular variable, a star whose variations ar ...

                                               

Sigma Persei

Sigma Persei is an orange K-type giant with an apparent magnitude of +4.36. It is approximately 360 light years from Earth. Sigma Persei is moving through the Galaxy at a speed of 17.4 km/s relative to the Sun. Its projected Galactic orbit carrie ...

                                               

T Persei

T Persei is a red supergiant located in the constellation Perseus. It varies in brightness between magnitudes 8.3 and 9.7 and is considered to be a member of the Double Cluster. T Persei is a member of the Perseus OB1 association around the h and ...

                                               

Tau Persei

Tau Persei, also known as 18 Persei, is a binary star in the constellation of Perseus. The system is fairly close, and is located about 254 light-years away, based on its parallax. Tau Persei is an eclipsing binary, which means the two stellar co ...

                                               

Theta Persei

Theta Persei is a star system 37 light years away from Earth, in the constellation Perseus. It is one of the closest naked-eye stars. The primary star is a yellowish dwarf main sequence star of spectral type F8V, which is somewhat larger and brig ...

                                               

Trumpler 2

Trumpler 2 is an open cluster located in the constellation Perseus. It is approximately 2000 light-years from Earth, placing its position within the Perseus Arm of the Milky Way Galaxy. Although at this large distance, it can be seen with the nak ...

                                               

V520 Persei

V520 Persei is a blue supergiant member of NGC 869, one of the Perseus Double Cluster open clusters. It is an irregular variable star. V520 Persei is the brightest member of the Double Cluster at magnitude 6.55. Two brighter stars in the same fie ...

                                               

V718 Persei

V718 Persei is a young star in the constellation of Perseus, located in the young open cluster IC 348. The star has several designations derived from the cluster in which it belongs. The star shows hints of an occulting body of unclear nature, li ...

                                               

WASP-11b/HAT-P-10b

WASP-11b/HAT-P-10b or WASP-11Ab/HAT-P-10Ab is an extrasolar planet discovered in 2008. The discovery was announced by press release by the SuperWASP project in April 2008 along with planets WASP-6b through to WASP-15b, however at this stage more ...

                                               

Wreath Nebula

The Wreath Nebula represent light emitted at wavelengths of 3.4 and 4.6 microns, which is predominantly from stars. Green and red represent light from 12 and 22 microns, respectively, which is mostly emitted by dust.

                                               

X Persei

X Persei is a high-mass X-ray binary system located in the constellation Perseus, approximately 950 parsecs away. It is catalogued as 4U 0352+309 in the final Uhuru catalog of X-ray objects. The conventional star component of X Persei has been cl ...

                                               

Xi Persei

Xi Persei, formally named Menkib, is a star in the constellation of Perseus. Based upon parallax measurements taken during the Hipparcos mission, it is approximately 1.200 light-years from the Sun.

                                               

XX Persei

XX Persei is a semiregular variable red supergiant star in the constellation Perseus, between the Double Cluster and the border with Andromeda.

                                               

Zeta Persei

Zeta Persei is a star in the northern constellation of Perseus. With an apparent visual magnitude of 2.9, it can be readily seen with the naked eye. Parallax measurements place it at a distance of about 750 light-years from Earth.

                                               

ZTF J0139+5245

ZTF J0139+5245 is a white dwarf star approximately 564 light-years from Earth in the constellation of Perseus. It is the second white dwarf, after WD 1145+017, to be observed with transits indicative of orbiting planetary material. The star has b ...

                                               

AE Pictoris

AE Pictoris is an eclipsing binary star system in the southern constellation of Pictor. This dim, blue-white hued point of light is just barely visible to the naked eye; it has an apparent visual magnitude of 6.09, which drops to magnitude 6.14 d ...

                                               

AK Pictoris

AK Pictoris is a star system in the constellation Pictor. Its combined apparent magnitude is 6.182. Based on the systems parallax, it is located 69 light-years away. AK Pictoris is a member of the AB Doradus moving group, a group of stars with si ...

                                               

Alpha Pictoris

Alpha Pictoris is the brightest star in the southern constellation of Pictor. It has an apparent visual magnitude of 3.27, which is bright enough to be viewed from urban areas in the southern hemisphere. This star is close enough for its distance ...

                                               

Beta Pictoris

Beta Pictoris is the second brightest star in the constellation Pictor. It is located 63.4 light years from the Solar System, and is 1.75 times as massive and 8.7 times as luminous as the Sun. The Beta Pictoris system is very young, only 20 to 26 ...

                                               

Beta Pictoris c

Beta Pictoris c is the second exoplanet orbiting young debris disk Beta Pictoris, located approximately 63 light-years away from Earth in the constellation of Pictor. It has a mass around 9 Jupiter masses, and orbits at around 2.7 au from Beta Pi ...

                                               

Delta Pictoris

Delta Pictoris is a class B3III star in the constellation Pictor. Its apparent magnitude is 4.72 and it is approximately 1300 light years away based on parallax. It is a β Lyrae variable, a type of eclipsing binary, which ranges in brightness fro ...

                                               

EBLM J0555-57

EBLM J0555-57 is a triple star system approximately 600 light-years from Earth. EBLM J0555-57Ab, the smallest star in the system, orbits its primary star with a period of 7.8 days, and at the time of discovery, was the smallest known star with a ...

                                               

Eta1 Pictoris

η 1 Pictoris, Latinised as Eta 1 Pictoris, is a solitary star in the southern constellation of Pictor. It is faintly visible to the naked eye with an apparent visual magnitude of +5.37. Based upon an annual parallax shift of 38.35 mas as seen fro ...

                                               

Eta2 Pictoris

η 2 Pictoris, Latinised as Eta 2 Pictoris, is a solitary star in the southern constellation of Pictor. It is visible to the naked eye as a dim, orange-hued star with an apparent visual magnitude of 5.02. With an annual parallax shift of 7.8 mas a ...

                                               

Gamma Pictoris

Gamma Pictoris, Latinized from γ Pictoris, is a single, orange-hued star in the southern constellation of Pictor. It is a faintly visible to the naked eye with an apparent visual magnitude of 4.50. Based upon an annual parallax shift of 18.45 mas ...

                                               

HD 40307

HD 40307 is an orange main-sequence star located approximately 42 light-years away in the constellation of Pictor, taking its primary name from its Henry Draper Catalogue designation. It is calculated to be slightly less massive than the Sun. HD ...

                                               

HD 40307 b

HD 40307 b is an extrasolar planet orbiting the star HD 40307, located 42 light-years away in the direction of the southern constellation Pictor. The planet was discovered by the radial velocity method, using the European Southern Observatorys HA ...

                                               

HD 40307 c

HD 40307 c is an extrasolar planet orbiting the star HD 40307, located 42 light-years away in the direction of the southern constellation Pictor. The planet was discovered by the radial velocity method, using the HARPS apparatus, in June 2008. Of ...

                                               

HD 40307 d

HD 40307 d is an extrasolar planet orbiting the star HD 40307, located 42 light-years from Earth in the direction of the southern constellation Pictor. The planet was discovered by the radial velocity method, using the HARPS apparatus in June 200 ...

                                               

HD 40307 e

HD 40307 e is an extrasolar planet orbiting the star HD 40307. It is located 42 light-years away in the direction of the southern constellation Pictor. The planet was discovered by the radial velocity method, using the European Southern Observato ...

                                               

HD 40307 f

HD 40307 f is an extrasolar planet orbiting the star HD 40307. It is located 42 light-years away in the direction of the southern constellation Pictor. The planet was discovered by the radial velocity method, using the European Southern Observato ...

                                               

HD 40307 g

HD 40307 g is an exoplanet orbiting in the habitable zone of HD 40307. It is located 42 light-years away in the direction of the southern constellation Pictor. The planet was discovered by the radial velocity method, using the European Southern O ...

                                               

HD 41004 Ab

HD 41004 Ab is an extrasolar planet approximately 139 light years away in the constellation of Pictor. It has mass 2.56 M J planet orbiting at a distance of 1.70 AU from HD 41004 A. The planets orbit is highly eccentric caused by the companion st ...

                                               

HD 41248

HD 41248 is a star in the constellation Pictor. It is a star very similar to our Sun, with the same spectral type. It has 68% of the Suns luminosity, 92% of its mass and 78% of its diameter. It is estimated to be around 2 billion years old, and i ...

                                               

HD 42540

HD 42540, also known as HR 2196, is a suspected variable star in the constellation Pictor. A class K2-3III orange giant, its apparent magnitude is 5.04 and it is approximately 362 light years away based on parallax.

                                               

Iota Pictoris

ι Pictoris, Latinized from Iota Pictoris, is a suspected multiple star system in the southern Pictor constellation. It is visible to the naked eye as a dim, yellow-white hued point of light with a combined apparent visual magnitude of 5.28. The t ...

                                               

Kappa Pictoris

κ Pictoris, Latinised as Kappa Pictoris, is a star in the constellation Pictor. It is close to the lower limit of stars that are visible to the naked eye having an apparent visual magnitude of +6.11. Based upon an annual parallax shift of 5.14 ma ...

                                               

Lambda Pictoris

λ Pictoris, Latinised as Lambda Pictoris, is a solitary, orange-hued star in the southern constellation of Pictor. It is visible to the naked eye, having an apparent visual magnitude of +5.29. With an annual parallax shift of 8.71 mas as seen fro ...

                                               

Mu Pictoris

μ Pictoris, Latinised as Mu Pictoris, is a binary star system in the southern constellation Pictor. It is bright enough to be dimly visible to the naked eye, having a combined apparent visual magnitude of 5.69. Based upon an annual parallax shift ...

                                               

Pictor A

Pictor A, around 485 million light-years away in the constellation Pictor, is a double-lobed broad-line radio galaxy and a powerful source of radio waves in the Southern Celestial Hemisphere. From a supermassive black hole at its centre, a relati ...