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Type of variable star
BL Herculis variables are a subclass of type II Cepheids with low luminosity and mass, that have a period of less than eight days. They are pulsating
BL_Herculis_variable
Variable star in the constellation Hercules
prototype of the BL Herculis class of variable star, a short-period subset of the pulsating Cepheid variables. The variability of BL Herculis was discovered
BL_Herculis
Star in the constellation Triangulum Australe
RT Trianguli Australis, or RT TrA, is a BL Herculis variable (type II Cepheid) in the constellation of Triangulum Australe. RT TrA varies between apparent
RT_Trianguli_Australis
Star in the constellation Centaurus
evolved RR Lyrae variable and is now positioned above the horizontal branch on the HR diagram. V553 Cen is classified as a BL Herculis variable, being a low–mass
V553_Centauri
Star that has a supergiant luminosity class, with a spectral type of F or G
II stars with low masses, including W Virginis variables, BL Herculis variables and RV Tauri variables. The Classical Cepheids are more luminous than
Yellow_supergiant
Type of variable star
Virginis and BL Herculis variables, the type II Cepheids. Classical Cepheid variables are higher mass population I stars. RR Lyrae variables are much more
RR_Lyrae_variable
Type of variable star that pulsates radially
include: W Virginis, Kappa Pavonis and BL Herculis. Anomalous Cepheids include: XZ Ceti (overtone pulsation mode) and BL Boötis. Smith, D. H. (1984). "Eddington's
Cepheid_variable
Variable star in the constellation Virgo
A.; et al. (August 1978), "Strömgren photometry of field BL Herculis stars. I. BL Herculis and XX Virginis", Publications of the Astronomical Society
XX_Virginis
Star in the constellation Pyxis
VY Pyxidis is a BL Herculis variable (type II Cepheid) in the constellation of Pyxis. It ranges between apparent magnitudes 7.13 and 7.40 over a period
VY_Pyxidis
Star whose brightness fluctuates, as seen from Earth
stellar mass black hole. A notable example of such a variable X-ray source is Cygnus X-1. DQ Herculis systems are interacting binaries in which a low-mass
Variable_star
Type of variable stars
Virginis variables but are now divided into three subclasses based on the length of their period. Stars with periods between 1 and 4 days are of the BL Herculis
Type_II_Cepheid
Constellation in the southern celestial hemisphere
between magnitudes 6.99 and 7.83 over 159 days. VY Pyxidis is a BL Herculis variable (type II Cepheid), ranging between apparent magnitudes 7.13 and 7
Pyxis
Minor galaxy cluster in the constellation Hercules
NGC 6241. Half a degree north of Zwicky's Triplet, the double star 52 Herculis (magnitude + 4) could act as guidestar to try to find Zwicky's Triplet
Zwicky's_Triplet
Star in the constellation Hercules
temperature of 5,032 K. Xi Herculis was discovered to be a variable star when the Hipparcos data was analyzed. It is a semiregular variable star, oscillating in
Xi_Herculis
Star in the constellation Telescopium
UU Herculis variable—a class of yellow supergiant with semiregular variability. These stars are thought to have affinities with Cepheid variables and
BL_Telescopii
Variable star in the constellation Hercules
Omega Herculis (ω Herculis, abbreviated Omega Her, ω Her) is a binary star system in the northern constellation of Hercules. Based upon an annual parallax
Omega_Herculis
Star in the constellation Hercules
Phi Herculis (φ Her) is a binary star system in the northern constellation of Hercules. Based upon an annual parallax shift of 15.99 mas as seen from Earth
Phi_Herculis
Binary star in the constellation Hercules
Rho Herculis (ρ Her, ρ Herculis) is a double star in the constellation of Hercules. The apparent magnitudes of the components are 4.510 and 5.398, respectively
Rho_Herculis
Constellation in the northern celestial hemisphere
semi-regular variable stars that range in magnitude from 7.0 to 12.0 over a period of 258 days, and magnitude 4.7 to 5.4 over 450 days, respectively. BL Boötis
Boötes
Globular cluster in the constellation Hercules
seen in this asterism 2⁄3 of the way north (by west) from Zeta to Eta Herculis. With an apparent magnitude of 5.8, Messier 13 may be visible to the naked
Messier_13
Star in the constellation Camelopardalis
Cepheid variable star. This is unusual but not unique. At least five other relatively bright examples are known, two of which are of the BL Herculis sub-type
RU_Camelopardalis
Variable star in the constellation Virgo
"The Chemical Compositions of the Type II Cepheids-The BL Herculis and W Virginis Variables". The Astrophysical Journal. 666 (1): 378–392. arXiv:0706
W_Virginis
Constellation in the southern celestial hemisphere
BL Hydri is another close binary system composed of a low-mass star and a strongly magnetic white dwarf. Known as a polar or AM Herculis variable, these
Hydrus
Nebula in the constellation Hercules
(b) 102 (Ramus) 104 (A) 106 109 (Tusizuo) 110 111 112 113 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6594 6669 6697 6806 HD 146389
Abell_39
Binary star in the constellation Hercules
Sigma Herculis, Latinized from σ Her, is a binary star system in the northern constellation of Hercules. It has a combined apparent visual magnitude of
Sigma_Herculis
Type of variable star
to as rapidly oscillating α2 Canum Venaticorum variables. Both the roAp stars and some α2 CVn variables lie on the δ Scuti instability strip and are magnetic
Rapidly_oscillating_Ap_star
Hertzsprung SONG Telescope: Asteroseismology of the G5 Subgiant Star μ Herculis". The Astrophysical Journal. 836 (1): 142. arXiv:1701.03365. Bibcode:2017ApJ
List of nearest stars by spectral type
List_of_nearest_stars_by_spectral_type
Galaxy in the constellation Hercules
QSR J1819+3845 is a quasar notable for being the most variable known extragalactic radio source.[when?] This quasar shows variations of factors of four
QSR_J1819+3845
Radio-source galaxy in the constellation Hercules
(b) 102 (Ramus) 104 (A) 106 109 (Tusizuo) 110 111 112 113 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6594 6669 6697 6806 HD 146389
Hercules_A
Star in the constellation Hercules
Upsilon Herculis (υ Her) is a solitary star in the constellation Hercules. It is visible to the naked eye with an apparent visual magnitude of 4.74. Based
Upsilon_Herculis
Distant galaxy merger
(b) 102 (Ramus) 104 (A) 106 109 (Tusizuo) 110 111 112 113 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6594 6669 6697 6806 HD 146389
LBG-2377
Galaxy in the constellation Hercules
(b) 102 (Ramus) 104 (A) 106 109 (Tusizuo) 110 111 112 113 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6594 6669 6697 6806 HD 146389
A2261-BCG
Sun-like star in the constellation Hercules
Chi Herculis, Latinized from χ Herculis, is a Sun-like star in the northern constellation of Hercules. Based upon an annual parallax shift of 62.1 mas
Chi_Herculis
Quasar in the Hercules constellation
(b) 102 (Ramus) 104 (A) 106 109 (Tusizuo) 110 111 112 113 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6594 6669 6697 6806 HD 146389
3C_345
Binary star system in the constellation Telescopium
50–80 MG. The system is a source for X-ray emission. Variable stars Polar (cataclysmic variable) AM Herculis Rosen, S. R.; Mittaz, J. P. D.; Buckley, D. A.;
QS_Telescopii
Binary star system in the constellation of Hercules
(b) 102 (Ramus) 104 (A) 106 109 (Tusizuo) 110 111 112 113 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6594 6669 6697 6806 HD 146389
HR_6594
Galaxy cluster in the constellation Hercules
(b) 102 (Ramus) 104 (A) 106 109 (Tusizuo) 110 111 112 113 32 Oph Variable X AC AM BL DI DQ V446 V533 V772 V777 V838 V1674 HR 6594 6669 6697 6806 HD 146389
Abell_2152
Gliese 884 (in Aquarius) K5 7.88 8.33 23h 00m 16.12s −22° 31′ 27.6″ 26.6 μ Herculis G5IV 3.42 3.80 17h 46m 27.53s +27° 43′ 14.4″ 27.1 β Canum Venaticorum G0V
List_of_nearest_bright_stars
Star in the constellation Hercules
the Dominion Astrophysical Observatory was the first to recognize the variable radial velocity of this system. In 1974, Harold A. McAlister and Philip
HD_163840
Binary star in the constellation Boötes
assigned it a designation in both constellations: Nu Boötis (ν Boo) and Psi Herculis (ψ Her). When the modern constellation boundaries were fixed in 1930, the
Nu2_Boötis
BL HERCULIS-VARIABLE
BL HERCULIS-VARIABLE
Girl/Female
Latin
Mother of Hercules.
Boy/Male
Latin
Friend of Hercules.
Boy/Male
Latin
Twin of Hercules.
Boy/Male
Greek Latin
Hercules' friend.
Boy/Male
Greek
Son of Hercules.
Girl/Female
Latin
Daughter of Hercules.
Girl/Female
Greek
Wife of Hercules.
Boy/Male
Greek Latin
In Hera's service. The mythological Greek Hercules was a son of Zeus and an extraordinarily...
Girl/Female
Latin Greek
Mother of Hercules.
Male
French
French form of Latin Hercules, HERCULE means "glory of Hera."
Girl/Female
Greek
Mother of Hercules.
Girl/Female
Latin
Aunt of Hercules.
Girl/Female
Latin
Lover of Hercules.
Boy/Male
Australian, British, Dutch, English, French, Greek, Latin
Glorious Gift
Surname or Lastname
English and Scottish
English and Scottish : from a personal name of Greek origin, which was in use in Cornwall and elsewhere till the 19th century. Hercules is the Latin form of Greek Hēraklēs, meaning ‘glory of Hera’ (the queen of the gods). It was the name of a demigod in classical mythology, who was the son of Zeus, king of the gods, by a human woman. His outstanding quality was his superhuman strength.Scottish (Shetland) : from a personal name adopted as an Americanized form of Old Norse Hákon (see Haagensen).
Girl/Female
Latin
Mother of Hercules.
Girl/Female
Latin
Lover of Hercules.
Girl/Female
Latin
Mother of Hercules.
Boy/Male
Latin
Friend of Hercules.
Boy/Male
Greek
Hercules' twin brother.
BL HERCULIS-VARIABLE
BL HERCULIS-VARIABLE
Surname or Lastname
English
English : patronymic from Hodgen.
Girl/Female
Indian
From Odra.
Boy/Male
Indian
Boy/Male
Indian, Punjabi, Sikh
Noble Person
Female
Greek
(ΛάÏισα) Greek name derived from the name of an ancient city, possibly LÃRISA means "fortified town."Â
Boy/Male
Tamil
Formless
Boy/Male
Gujarati, Hindu, Indian
Name of Lord Shiva
Surname or Lastname
English
English : probably related to Roser, which is also unexplained.Altered spelling of German Roser or Röser (see Roser).
Boy/Male
German, Teutonic
From Windsor
Girl/Female
Tamil
Pleasing
BL HERCULIS-VARIABLE
BL HERCULIS-VARIABLE
BL HERCULIS-VARIABLE
BL HERCULIS-VARIABLE
BL HERCULIS-VARIABLE
n.
A constellation on the equator, lying between Scorpio and Hercules; -- called also Ophiuchus.
a.
Pertaining to Antaeus, a giant athlete slain by Hercules.
adv.
After the manner of nouns appellative; in a manner to express whole classes or species; as, Hercules is sometimes used appellatively, that is, as a common name, to signify a strong man.
n.
Figuratively, that which resembles such a pillar in appearance, character, or office; a supporter or mainstay; as, the Pillars of Hercules; a pillar of the state.
a.
Requiring the strength of Hercules; hence, very great, difficult, or dangerous; as, an Herculean task.
a.
Liable to vary; too susceptible of change; mutable; fickle; unsteady; inconstant; as, the affections of men are variable; passions are variable.
n.
An illustrious man, supposed to be exalted, after death, to a place among the gods; a demigod, as Hercules.
n.
The quality or state of being variable; variability.
n.
A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity; as, in the equation x2 - y2 = R2, x and y are variables.
n.
A hero, fabled to have been the son of Jupiter and Alcmena, and celebrated for great strength, esp. for the accomplishment of his twelve great tasks or "labors."
n.
The likeness of a living being sculptured or modeled in some solid substance, as marble, bronze, or wax; an image; as, a statue of Hercules, or of a lion.
n.
That which is variable; that which varies, or is subject to change.
a.
Of or pertaining to Augeus, king of Elis, whose stable contained 3000 oxen, and had not been cleaned for 30 years. Hercules cleansed it in a single day.
a.
Of or pertaining to Nemea, in Argolis, where the ancient Greeks celebrated games, and Hercules killed a lion.
n.
A serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one of which, when cut off, was immediately succeeded by two others, unless the wound was cauterized. It was slain by Hercules. Hence, a terrible monster.
n.
A constellation in the northern hemisphere, near Lyra.
n. pl.
The daughters of Hesperus, or Night (brother of Atlas), and fabled possessors of a garden producing golden apples, in Africa, at the western extremity of the known world. To slay the guarding dragon and get some of these apples was one of the labors of Hercules. Called also Atlantides.
n.
One of a group of gigantic, horned beetles, including Dynastus Neptunus, and the Hercules beetle (D. Hercules) of tropical America, which grow to be six inches in length.
n.
A conventional symbol of office, character, or identity, added to any particular figure; as, a club is the attribute of Hercules.
n.
The human body, as distinguished from the head and limbs; in sculpture, the trunk of a statue, mutilated of head and limbs; as, the torso of Hercules.