環狀星雲 （Q13969）

恆星

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stated in ^英文

astronomical radio source ^英文

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infrared source ^英文

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白矮星

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stated in ^英文

所屬實體

Orion Arm ^英文

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相

Ring Nebula.jpg
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圖解

Prstencová mlhovina na snímku z Hubbleova vesmírného dalekohledu (捷克文)

Hubble Space Telescope image of the Ring Nebula (英文)

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倒入自維基媒體計劃

荷蘭文維基百科

目錄編號

NGC 6720

New General Catalogue ^英文

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M 57

梅西亞天體

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stated in ^英文

NVSS J185335+330145

NRAO VLA Sky Survey ^英文

1 參考來源

stated in ^英文

PLX 4377

General Catalogue of Trigonometric Stellar Parallaxes ^英文

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stated in ^英文

BD+32 3246

Durchmusterung ^英文

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stated in ^英文

CSI+32-18517

Catalog of Stellar Identifications ^英文

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stated in ^英文

GCRV 11366

General Catalogue of Stellar Radial Velocities ^英文

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stated in ^英文

GSC2 N0223131306

Guide Star Catalog II ^英文

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stated in ^英文

HD 175353

Henry Draper Catalogue ^英文

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stated in ^英文

IRAS 18517+3257

IRAS ^英文

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stated in ^英文

PK 063+13 1

Catalogue of Galactic Planetary Nebulae ^英文

1 參考來源

stated in ^英文

PK 063+13

Catalogue of Galactic Planetary Nebulae ^英文

1 參考來源

stated in ^英文

PLX 4377.00

General Catalogue of Trigonometric Stellar Parallaxes ^英文

1 參考來源

stated in ^英文

Gaia DR2 2090486618786534784

Gaia Data Release 2 ^英文

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stated in ^英文

CO and HCN observations of circumstellar envelopes. A catalogue - mass loss rates and distributions ^英文

[LFO93] 1851+32

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stated in ^英文

[D71] 1851+32

The NRAO 5-GHz radio source survey. I. A survey of faint sources ^英文

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stated in ^英文

[A86] 1851+329

A 5-GHz survey of radio sources ^英文

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stated in ^英文

B2.1 1851+32

A catalogue of 3235 radio sources at 408 MHz ^英文

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stated in ^英文

GB6 B1851+3257

The GB6 catalog of radio sources ^英文

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stated in ^英文

WB 1851+3257

A new catalog of 30239 1.4 GHz sources ^英文

1 參考來源

stated in ^英文

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue ^英文

WEB 16043

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stated in ^英文

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Messier 57 (英文)

Antoine Darquier de Pellepoix

13 8 2018

author name string ^英文

Hartmut Frommert

0 參考來源

發現或發明時間

31 1 1779^Gregorian

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Messier 57 (英文)

13 8 2018

author name string ^英文

Hartmut Frommert

星座

天琴座

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stated in ^英文

VizieR ^英文

distance from Earth ^英文

2,300 光年

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Messier 57 (英文)

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue ^英文

13 8 2018

author name string ^英文

Hartmut Frommert

786.968±36.788 秒差距

1 參考來源

stated in ^英文

Gaia Data Release 2 ^英文

880 秒差距

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stated in ^英文

The Magellanic Cloud Calibration of the Galactic Planetary Nebula Distance Scale ^英文

parallax ^英文

1.2707±0.0594 milliarcsecond

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stated in ^英文

Gaia Data Release 2 ^英文

1.42±0.55 milliarcsecond

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stated in ^英文

Trigonometric Parallaxes of Central Stars of Planetary Nebulae ^英文

11.9±8 milliarcsecond

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stated in ^英文

The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition ^英文

declination component of proper motion ^英文

2.486±0.111 milliarcsecond per year

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Gaia Data Release 2 ^英文

6.7±0.4 milliarcsecond per year

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stated in ^英文

Trigonometric Parallaxes of Central Stars of Planetary Nebulae ^英文

right ascension component of proper motion ^英文

1.494±0.102 milliarcsecond per year

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stated in ^英文

Gaia Data Release 2 ^英文

−6±0.4 milliarcsecond per year

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stated in ^英文

Trigonometric Parallaxes of Central Stars of Planetary Nebulae ^英文

radial velocity ^英文

−19.1 kilometre per second

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stated in ^英文

−19.1±2 kilometre per second

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stated in ^英文

General Catalogue of Stellar Radial Velocities ^英文

spectral class ^英文

DA(O?)

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Spectroscopic investigation of old planetaries. III. Spectral types, magnitudes, and distances ^英文

apparent magnitude ^英文

15.769±0.023

astronomical filter ^英文

V band ^英文

2 參考來源

Messier 57 (英文)

The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search ^英文

13 8 2018

author name string ^英文

Hartmut Frommert

stated in ^英文

15.405±0.016

astronomical filter ^英文

B band ^英文

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stated in ^英文

The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search ^英文

15.901±0.003

astronomical filter ^英文

R band ^英文

1 參考來源

stated in ^英文

The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search ^英文

16.062±0.012

astronomical filter ^英文

I band ^英文

1 參考來源

stated in ^英文

The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search ^英文

15.608±0.0015

astronomical filter ^英文

G band ^英文

1 參考來源

stated in ^英文

Gaia Data Release 2 ^英文

16.4±0.2

astronomical filter ^英文

J band ^英文

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stated in ^英文

The binary fraction of planetary nebula central stars – I. A high-precision, I-band excess search ^英文

absolute magnitude ^英文

−0.3

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Messier 57 (英文)

13 8 2018

author name string ^英文

Hartmut Frommert

半徑

0.9 光年

1 參考來源

Messier 57 (英文)