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左执法.
η Virginis
觀測資料 曆元 J2000.0
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星座
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室女座
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星官
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太微垣 太微左垣
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赤經
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12h 19m 54.4s
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赤緯
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−0° 40' 01"
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視星等(V)
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+3.89
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距離
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250 ± 16 光年 (77 ± 5 pc)
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光譜分類
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A2IV
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其他命名
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Zaniah, Zannakh, 15 Virginis, HR 4689, HD 107259, BD+00 2926, FK5 460, HIP 60129, SAO 138721, GC 16813, CCDM 12199-0040
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左执法 (η Vir / 室女座η)也称太微左垣一是室女座的一颗恒星,距离地球约204光年,英文名Zaniah。其视星等为+3.9,光谱型为A2IV。
虽然在望远镜中看起来是单颗的恒星,但在月掩恒星时却显示左执法是一个密近三星系统,由两颗距离仅0.5天文单位的恒星以及一颗稍远的恒星组成。
由于左执法的位置靠近黄道,所以可能被月亮或行星掩食。在公元前329年9月1日,古希腊天文学家提默洽里斯(Timocharis)观察到左执法被金星掩食,此时行星距离它只有不到一弧分。[1] 最近的一次行星掩左执法发生在1843年9月27日,它被金星掩食。而下一次会发生在2445年11月19日。
中世纪名字Zaniah源于阿拉伯语زاوية zāwiyah ,意为“角落”,这与右执法的英文名Zavijava来源相同。
- ^ Fomenko, A. T.; Vi︠a︡cheslavovich, Vladimir Kalashnikov; Nosovskiĭ, Gleb Vladimirovich. Geometrical and statistical methods of analysis of star configurations: dating Ptolemy's Almagest. CRC Press. 1993: 215. ISBN 0849344832.
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| 恒星 | 拜耳 | |
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| 佛氏命名 |
- 1 (ω)
- 2 (ξ)
- 3 (ν)
- 4 (A1)
- 5 (β, Zavijava)
- 6 (A2)
- 7 (b)
- 8 (π)
- 9 (ο)
- 10
- 11
- 12
- 13
- 14
- 15 (η, Zaniah)
- 16 (c)
- 17
- 20
- 21 (q)
- 25 (f)
- 26 (χ)
- 27
- 28
- 29 (γ, Porrima)
- 30 (ρ)
- 31 (d1)
- 32 (d2)
- 33
- 34
- 35
- 37
- 38
- 40 (ψ)
- 41
- 43 (δ, Auva)
- 44
- 46
- 47 (ε, Vindemiatrix)
- 48
- 49
- 50
- 51 (θ)
- 53
- 54
- 55
- 56
- 57
- 59 (e)
- 60 (σ)
- 61
- 62
- 63
- 64
- 65
- 66
- 67 (α, Spica)
- 68 (i)
- 69
- 70
- 71
- 72
- 73
- 74 (l, "el")
- 75
- 76 (h)
- 77
- 78 (o, small Latin "o")
- 79 (ζ, Heze)
- 80
- 82 (m)
- 83
- 84
- 85
- 86
- 87
- 89
- 90 (p)
- 92
- 93 (τ)
- 94
- 95
- 96
- 98 (κ)
- 99 (ι, Syrma)
- 100 (λ, Khambalia)
- 102 (υ)
- 104
- 105 (φ)
- 106
- 107 (μ, Rijl al Awwa)
- 108
- 109
- 110
- 巨蛇座1 (M)
- 巨蛇座2
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| 變星 |
- R
- S
- W
- RS
- RT
- SS
- ST
- SW
- TW
- TY
- UU
- UV
- UW
- UY
- XX
- AG
- AH
- AL
- AW
- AX
- AZ
- BB
- BF
- BH
- BK
- CE
- CS
- CU
- CX
- DK
- DL
- DM
- DT
- EP
- EQ
- ET
- FF
- FG
- FO
- FS
- FT
- FW
- GL
- GK
- GR
- HS
- HT
- HU
- HV
- HW
- IM
- IN
- IP
- IQ
- IS
- IV
- LN
- NN
- NY
- OU
- PP
- PX
- QS
- QZ
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| HR | |
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| HD | |
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| 其他 | |
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|
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| 星团 | |
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| 星云 | |
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| 星系 | 梅西耶 | |
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| NGC | |
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| 其他 |
- A1689-zD1
- 阿貝爾1835 IR1916
- 阿普 240
- Arp 271
- BR 1202-0725
- 3C 273
- 3C 279
- 3C 298
- 4C 04.42
- 雙眼星系
- GR 8
- IC 1011
- IC 1101
- IC 3258
- IC 3328
- IRAS 12212+0305
- IRAS 13197−1627
- M60-UCD1
- Markarian 50
- Markarian 1318
- PG 1216+069
- PG 1244+026
- PG 1254+047
- PG 1307+085
- PG 1416−129
- PG 1426+015
- PKS 1148-001
- PKS 1167+014
- PKS 1217+023
- PKS 1229−021
- PKS 1302−102
- PKS 1335−127
- PKS 1402+044
- PKS 1405−076
- QSO B1208+1011
- QSO B1243−072
- QSO B1246−057
- QSO B1331+170
- RXJ1242−11
- SMM J14011+0252
- UM 448
- UM 461
- UM 462
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|
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| 星系团 | |
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| 其他 | |
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