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| {{Starbox begin | | {{Starbox begin | | ||
| name=12 Aquilae }} | |||
| {{Starbox observe | | {{Starbox observe | | ||
| epoch=J2000 | | |||
| ra=19<sup>h</sup> 01<sup>m</sup> 40.8272<sup>s</sup> | | |||
| dec= -05° 44′ 20.814″ | | |||
| appmag_v=4.027 | | |||
| constell=] }} | |||
| {{Starbox character | | {{Starbox character | | ||
| class=K1III | | |||
| r-i = 0.54 | | |||
| v-r = | | |||
| b-v = 1.09 | | |||
| u-b = 1.09 | | |||
| variable=] }} | |||
| {{Starbox astrometry | | {{Starbox astrometry | | ||
| radial_v=-43.9 | | |||
| prop_mo_ra=-24.15 | | |||
| prop_mo_dec= -39.73 | | |||
| parallax=21.95 | | |||
| p_error=0.92 | | |||
| absmag_v=5.133 }} | |||
| {{Starbox detail| | {{Starbox detail| | ||
| mass=0,8 | | |||
| radius=0,9 | | |||
| luminosity=0,4 | | |||
| temperature=3,500–5,000 | | |||
| metal=? | | |||
| rotation=< 17 km/s <br />0,007348 Year | | |||
| age=? }} | |||
| {{Starbox catalog | | {{Starbox catalog | | ||
| names=ZI 1577, ] 05140-04781, ] J19014083-0544209, ] 23702, ] 176678, ] 11655, ] 5140-4781-1, i Aql, ] 93429, ] 4414, ] 23405, ]-05° 4840, ] 93429, ] 202441, ] 16146, ] 101794, ] 7193, ] 2302, ] 95 6515, ] 26141, ] 18589-0548, ] 2705, ] 0 4050, ] 11472, ] -10483, ] 142931, ] 3061. }} | |||
| {{Starbox reference | | {{Starbox reference | | ||
| Simbad=HD+176678 | |||
| | ARICNS = }} | | ARICNS = }} | ||
| {{starbox sources|HIP|CCDM|HR}} | {{starbox sources|HIP|CCDM|HR}} | ||
| Line 40: | Line 40: | ||
| '''12 Aquilae (12 Aql)''' or '''i Aquilae (i Aql)''' is a fourth-magnitude ] in the ] ]. 12 Aquilae is a star varying in both magnitude and spectral type. Its ] is 4.02. 12 Aquilae is located about 150 ]s from Earth. | '''12 Aquilae (12 Aql)''' or '''i Aquilae (i Aql)''' is a fourth-magnitude ] in the ] ]. 12 Aquilae is a star varying in both magnitude and spectral type. Its ] is 4.02. 12 Aquilae is located about 150 ]s from Earth. | ||
| Sometimes, this star is called by the name '''Bered''', derived the ] word בָּרָד ''barad'', meaning "storm". In ], {{lang|zh|天弁}} ({{lang|zh-Latn|Tiān Biàn}}), meaning '']'', refers to an asterism consisting of 12 Aquilae, ], ], ], ], ], ], ] and ].<ref>{{zh icon}} ''中國星座神話'', written by 陳久金. Published by 台灣書房出版有限公司, 2005, ISBN 978-986-7332-25-7.</ref> Consequently, 12 Aquilae itself is known as {{lang|zh|天弁六}} ({{lang|zh-Latn|Tiān Biàn liù}}, {{lang-en|the Sixth Star of Market Officer}}.) |
Sometimes, this star is called by the name '''Bered''', derived the ] word בָּרָד ''barad'', meaning "storm". In ], {{lang|zh|天弁}} ({{lang|zh-Latn|Tiān Biàn}}), meaning '']'', refers to an asterism consisting of 12 Aquilae, ], ], ], ], ], ], ] and ].<ref>{{zh icon}} ''中國星座神話'', written by 陳久金. Published by 台灣書房出版有限公司, 2005, ISBN 978-986-7332-25-7.</ref> Consequently, 12 Aquilae itself is known as {{lang|zh|天弁六}} ({{lang|zh-Latn|Tiān Biàn liù}}, {{lang-en|the Sixth Star of Market Officer}}.) | ||
| ==References== | ==References== | ||
| * {{ |
* {{cite web| title=HD 176678 -- Variable Star | work=SIMBAD Astronomical Database | url=http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=12+aquilae&NbIdent=1&Radius=10&Radius.unit=arcmin&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&output.max=all&o.catall=on&output.mesdisp=N&Bibyear1=1983&Bibyear2=2005&Frame1=FK5&Frame2=FK4&Frame3=G&Equi1=2000.0&Equi2=1950.0&Equi3=2000.0&Epoch1=2000.0&Epoch2=1950.0&Epoch3=2000.0 | accessdate=2007-01-21}} | ||
| {{reflist}} | {{reflist}} | ||
| Line 50: | Line 50: | ||
| * | * | ||
| * | * | ||
| ] | ] | ||
Revision as of 15:11, 15 July 2011
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19 01 40.8272 |
| Declination | -05° 44′ 20.814″ |
| Apparent magnitude (V) | 4.027 |
| Characteristics | |
| Spectral type | K1III |
| U−B color index | 1.09 |
| B−V color index | 1.09 |
| R−I color index | 0.54 |
| Variable type | Variable star |
| Astrometry | |
| Radial velocity (Rv) | -43.9 km/s |
| Proper motion (μ) | RA: -24.15 mas/yr Dec.: -39.73 mas/yr |
| Parallax (π) | 21.95 ± 0.92 mas |
| Distance | 149 ± 6 ly (46 ± 2 pc) |
| Absolute magnitude (MV) | 5.133 |
| Details | |
| Mass | 0,8 M☉ |
| Radius | 0,9 R☉ |
| Luminosity | 0,4 L☉ |
| Temperature | 3,500–5,000 K |
| Metallicity | ? |
| Rotation | < 17 km/s 0,007348 Year |
| Age | ? years |
| Other designations | |
| ZI 1577, GSC 05140-04781, 2MASS J19014083-0544209, TD1 23702, HD 176678, NSV 11655, TYC 5140-4781-1, i Aql, HIC 93429, PLX 4414, UBV M 23405, BD-05° 4840, HIP 93429, PPM 202441, UBV 16146, CSV 101794, HR 7193, RAFGL 2302, YZ 95 6515, GC 26141, IRAS 18589-0548, ROT 2705, YZ 0 4050, GCRV 11472, IRC -10483, SAO 142931, JP11 3061. | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
12 Aquilae (12 Aql) or i Aquilae (i Aql) is a fourth-magnitude star in the constellation Aquila. 12 Aquilae is a star varying in both magnitude and spectral type. Its apparent magnitude is 4.02. 12 Aquilae is located about 150 light-years from Earth.
Sometimes, this star is called by the name Bered, derived the Hebrew word בָּרָד barad, meaning "storm". In Chinese, 天弁 (Tiān Biàn), meaning Market Officer, refers to an asterism consisting of 12 Aquilae, α Scuti, δ Scuti, ε Scuti, β Scuti, η Scuti, λ Aquilae, 15 Aquilae and 14 Aquilae. Consequently, 12 Aquilae itself is known as 天弁六 (Tiān Biàn liù, Template:Lang-en.)
References
- "HD 176678 -- Variable Star". SIMBAD Astronomical Database. Retrieved 2007-01-21.
- Template:Zh icon 中國星座神話, written by 陳久金. Published by 台灣書房出版有限公司, 2005, ISBN 978-986-7332-25-7.
External links
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