Subject |
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has spectral type |
has declination |
is part of |
has surface temperature |
has inclination |
has rotation velocity |
is an instance of |
has heliocentric radial velocity |
has V magnitude |
has eccentricity |
has color |
has been observ |
has B-V magnitude |
has distance |
has absorption line |
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has synonym |
has definition |
has number of star |
Aldebaran | 4 35 55.2 | K5III | +16 30 33 | Milky Way | 3600 to 5000 K | | | naked eye star | | 0.85 | | orange to red | for many centuries | 1.54 | 21 parsecs | | | | | asterism | | | brighter than 5 | HR 1457 | A K5 III subgiant (a foreground star in the Hyades). It has a faint M2 V companion. It is now known to be slowly and irregularly variable. | |
Alpha Antliae | 10 27 09.1 | K4III | -31 04 04 | Milky Way | 3600 to 5000 K | | | naked eye star | | 4.25 | | orange to red | for many centuries | 1.45 | | | | | | asterism | | | brighter than 5 | HR 4104 | | |
Alpha Apodis | 14 47 51.6 | K2.5III | -79 02 41 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.83 | | orange to red | for many centuries | 1.43 | | | | | | asterism | | | brighter than 5 | HR 5470 | | |
Alpha Arietis | 02 07 10.3 | K2IIIabCa-I | +23 27 45 | Milky Way | 3600 to 5000 K | | | naked eye star | | 2.00 | | orange to red | for many centuries | 1.15 | | | | | | asterism | | | brighter than 5 | HR 617 | | |
Alpha Cassiopeiae | 0 40 30.4 | K0III | +56 32 15 | Milky Way | 3600 to 5000 K | | | naked eye star | | 2.23 | | orange to red | for many centuries | 1.17 | | | | | | asterism | | | brighter than 5 | HR 168 | | |
Alpha Chamaeleontis | 08 18 31.7 | F5III | -76 55 11 | Milky Way | 6000 to 7500 K | | | naked eye star | | 4.07 | | yellow-white | for many centuries | 0.39 | | | | | | asterism | | | brighter than 5 | HR 3318 | | |
Alpha Doradus | 4 33 59.8 | A0IIISi | -55 2 42 | Milky Way | 10000 K | | | naked eye star | | 3.27 | | white | for many centuries | -0.10 | | H I | | | | asterism | | | brighter than 5 | HR 1465 | | |
Alpha Equulei | 21 15 49.3 | G0III+A5V | + 5 14 52 | Milky Way | 5000 to 6000 K | | | naked eye star | | 3.92 | | yellowish | for many centuries | 0.53 | | | | | | asterism | | | brighter than 5 | HR 8131 | | |
Alpha Horologii | 04 14 00.1 | K1III | -42 17 40 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.86 | | orange to red | for many centuries | 1.10 | | | | | | asterism | | | brighter than 5 | HR 1326 | | |
Alpha Indi | 20 37 34.0 | K0IIICNIII-IV | -47 17 29 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.11 | | orange to red | for many centuries | 1.00 | | | | | | asterism | | | brighter than 5 | HR 7869 | | |
Alpha Lupi | 14 41 55.7 | B1.5III | -47 23 17 | Milky Way | 11000 to 28000 K | | | naked eye star | | 2.30 | | blue-white | for many centuries | -0.20 | | He I | | | | asterism | | | brighter than 5 | HR 5469 | | |
Alpha Monocerotis | 07 41 14.8 | K0III | -09 33 04 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.93 | | orange to red | for many centuries | 1.02 | | | | | | asterism | | | brighter than 5 | HR 2970 | | |
Alpha Ophiuchi | 17 34 56.0 | A5III | +12 33 36 | Milky Way | 10000 K | | | naked eye star | | 2.08 | | white | for many centuries | 0.15 | | H I | | | | asterism | | | brighter than 5 | HR 6556 | | |
Alpha Phoenicis | 0 26 17.0 | K0III | -42 18 22 | Milky Way | 3600 to 5000 K | | | naked eye star | | 2.39 | | orange to red | for many centuries | 1.09 | | | | | | asterism | | | brighter than 5 | HR 99 | | |
Alpha Pyxidis | 08 43 35.5 | B1.5III | -33 11 11 | Milky Way | 11000 to 28000 K | | | naked eye star | | 3.68 | | blue-white | for many centuries | -0.18 | | He I | | | | asterism | | | brighter than 5 | HR 3468 | | |
Alpha Scuti | 18 35 12.3 | K3III-IIIb | -08 14 39 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.85 | | orange to red | for many centuries | 1.33 | | | | | | asterism | | | brighter than 5 | HR 6973 | | |
Alpha Serpentis | 15 44 16.0 | K2IIIbCN1Fe414 | +6 25 32 | Milky Way | 3600 to 5000 K | | | naked eye star | | 2.65 | | orange to red | for many centuries | 1.17 | | | | | | asterism | | | brighter than 5 | HR 5854 | | |
Alpha Sextantis | 10 7 56.2 | A0III | -0 22 18 | Milky Way | 10000 K | | | naked eye star | | 4.49 | | white | for many centuries | -0.04 | | H I | | | | asterism | | | brighter than 5 | HR 3981 | | |
Alpha Tucanae | 22 18 30.1 | K3III | -60 15 35 | Milky Way | 3600 to 5000 K | | | naked eye star | | 2.86 | | orange to red | for many centuries | 1.39 | | | | | | asterism | | | brighter than 5 | HR 8502 | | |
Alpha Vulpeculae | 19 28 42.2 | M0III | +24 39 54 | Milky Way | greater than 1000 Kelvin | | | naked eye star | | 4.44 | | | for many centuries | 1.50 | | | | | | asterism | | | brighter than 5 | HR 7405 | | |
Bellatrix | | B2 III | | | 11000 to 28000 K | | | giant | | | | blue-white | | | 80 pc | He I | | | | | | | | gamma Orionis | A B2 III star. | |
Beta Cancri | 8 16 30.9 | K4IIIBa0.5 | + 9 11 8 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.52 | | orange to red | for many centuries | 1.48 | | | | | | asterism | | | brighter than 5 | HR 3249 | | |
Beta Ceti | 0 43 35.3 | K0IIICH-1H,K-0 | -17 59 12 | Milky Way | 3600 to 5000 K | | | naked eye star | | 2.04 | | orange to red | for many centuries | 1.02 | | | | | | asterism | | | brighter than 5 | HR 188 | | |
Beta Crucis | 12 47 43.3 | B0.5III | -59 41 19 | Milky Way | 11000 to 28000 K | | | naked eye star | | 1.25 | | blue-white | for many centuries | -0.23 | | He I | | | | asterism | | | brighter than 5 | HR 4853 | | |
Beta Herculis | 16 30 13.1 | G7IIIa | +21 29 22 | Milky Way | 5000 to 6000 K | | | naked eye star | | 2.77 | | yellowish | for many centuries | 0.94 | | | | | | asterism | | | brighter than 5 | HR 6148 | | |
Beta Volantis | 8 25 44.3 | K1III | -66 8 13 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.77 | | orange to red | for many centuries | 1.13 | | | | | | asterism | | | brighter than 5 | HR 3347 | | |
blue giant | | | | | greater than 1000 Kelvin | | | | | | | | | | | | | | | | | giant | | | A giant star with spectral type O or B. Croswell, K. 1995 The Alchemy of the Heavens, Anchor Books | |
Capella | 05 16 41.3 | G5IIIe+G0III | +45 59 53 | Milky Way | 5000 to 6000 K | | | naked eye star | | 0.08 | | yellowish | for many centuries | 0.80 | 13 pc | | | | | asterism | | | brighter than 5 | Alpha Aurigae | The sixth brightest star in the night sky, consists of two yellow giants. A spectroscopic triple (F8-G0 III, G5 III, M5 V) (1974 parallax 0'.079). It has a high lithium content and a nearly circular orbit. It may be an X-ray source. | |
CN-strong star | | cooler than G2 | | | greater than 1000 Kelvin | | | | | | | | | | | | | | | | | giant | | | Late type giant with strong CN bands. Metallic lines are also stronger than in normal giants. | |
Delta Crateris | 11 19 20.4 | G8III-IV | -14 46 43 | Milky Way | 5000 to 6000 K | | | naked eye star | | 3.56 | | yellowish | for many centuries | 1.12 | | | | | | asterism | | | brighter than 5 | HR 4382 | | |
Delta Scuti | 18 42 16.3 | F2IIIp<04>Del | -09 03 09 | Milky Way | 6000 to 7500 K | | | naked eye star | | 4.72 | | yellow-white | for many centuries | 0.35 | | | | | | asterism | | | brighter than 5 | HR 7020 | | |
Epsilon Sagittarii | 18 24 10.3 | B9.5III | -34 23 5 | Milky Way | 11000 to 28000 K | | | naked eye star | | 1.85 | | blue-white | for many centuries | -0.03 | | He I | | | | asterism | | | brighter than 5 | HR 6879 | | |
Eta Piscium | 1 31 28.9 | G7IIIa | +15 20 45 | Milky Way | 5000 to 6000 K | | | naked eye star | | 3.62 | | yellowish | for many centuries | 0.97 | | | | | | asterism | | | brighter than 5 | HR 437 | | |
Gamma Corvi | 12 15 48.3 | B8IIIpHgMn | -17 32 31 | Milky Way | 11000 to 28000 K | | | naked eye star | | 2.59 | | blue-white | for many centuries | -0.11 | | He I | | | | asterism | | | brighter than 5 | HR 4662 | | |
Gamma Draconis | 17 56 36.3 | K5III | +51 29 20 | Milky Way | 3600 to 5000 K | | | naked eye star | | 2.23 | | orange to red | for many centuries | 1.52 | | | | | | asterism | | | brighter than 5 | HR 6705 | | |
Gamma Microscopii | 21 1 17.4 | G6III | -32 15 28 | Milky Way | 5000 to 6000 K | | | naked eye star | | 4.67 | | yellowish | for many centuries | 0.89 | | | | | | asterism | | | brighter than 5 | HR 8039 | | |
Gamma Normae | 16 19 50.3 | G8III | -50 09 20 | Milky Way | 5000 to 6000 K | | | naked eye star | | 4.02 | | yellowish | for many centuries | 1.08 | | | | | | asterism | | | brighter than 5 | HR 6072 | | |
Gamma Sagittae | 19 58 45.3 | M0III | +19 29 32 | Milky Way | greater than 1000 Kelvin | | | naked eye star | | 3.47 | | | for many centuries | 1.57 | | | | | | asterism | | | brighter than 5 | HR 7635 | | |
heavy-metal star | | | | | greater than 1000 Kelvin | | | | | | | | | | | | | | | | | giant | | | A class of peculiar giant that includes the Ba II stars and the S stars. | |
HR 4247 | 10 53 18.6 | K0III-IV | +34 12 53 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.83 | | orange to red | for many centuries | 1.04 | | | | | | asterism | | | brighter than 5 | | | |
NML Cygnus | | M6 III | | Cygnus | 700 K | | | giant | -43 km s-1 | | | | | | 200 pc | | | | | | Neugebauer, Martz, and Leighton | | | IRC+40448 | An infrared star. Its surface temperature is about the same as the surface temperature of Venus. It is a strong OH emitter, and CO has been identified in its spectrum. | |
Nu Octantis | 21 41 28.6 | K0III | -77 23 24 | Milky Way | 3600 to 5000 K | | | naked eye star | | 3.76 | | orange to red | for many centuries | 1.00 | | | | | | asterism | | | brighter than 5 | HR 8254 | | |
oxygen-rich giant | | | | | greater than 1000 Kelvin | | | | | | | | | | | | | | | | | giant | | | A collective designation for a giant showing metal oxide molecules - thus M, MS and S stars. | |
Plaskett's star | | O, B, A, and early F | | Monoceros | 35000 K | | very high | spectroscopic binary | | | | blue-white | | | | He II | rare | half the stars in the solar neighborhood are members of star systems | 3 to 6 million years | | | | | HD 47129 | A very massive O-type giant with known anomalies in its spectrum. It is a spectroscopic binary in which mass exchange is occurring. Its spectrum can be interpreted to mean that each component has a mass of 75 Msun. | 2 |
red giant | | | | | greater than 1000 Kelvin | | | | | | | | | | | | | | | | | M star | | | A late-type (K or M) high-luminosity (brighter than Mv = 0) star that occupies the upper right portion of the H-R diagram. Red giants are post-main-sequence stars that have exhausted the nuclear fuel in their cores. The red-giant phase corresponds to the establishment of a deep convective envelope. Red giants in a globular cluster are about 3 times more luminous than RR Lyrae stars in the same cluster. | |
Spica | 13 25 11.5 | B1III-IV+B2V | -11 9 41 | Milky Way | 11000 to 28000 K | i = 65° | | naked eye star | | 0.98 | e = 0.146 | blue-white | for many centuries | -0.23 | 80 pc | He I | | half the stars in the solar neighborhood are members of star systems | | asterism | | | brighter than 5 | HR 5056 | A double-lined spectroscopic binary (B1.5 V, late B). Component A (10.9 Msun) is a beta Cephei star which seems to be near core hydrogen exhaustion. | 2 |
weak G-band star | | cooler than G2 | | | 5000 to 6000 K | | | | | | | yellowish | | | | | | | | | | giant | | | G-type giant (G5 to K5) with a very weak or absent G band of CH and weak CN bands. These stars are C-deficient. | |
white giant | | | | | 10000 K | | | | | | | white | | | | H I | | | | | | A star | | | A giant star of spectral type A. Some RR Lyrae stars are white giants. | |
yellow giant | | cooler than G2 | | | 5000 to 6000 K | | | | | | | yellowish | | | | | | | | | | G star | | | A giant star with a spectral type of G. The nearest and brightest yellow giants are the two composing the double star Capella. | |