Flame Nebula (NGC 2024) Facts, Formation, Location
The Flame Nebula (NGC 2024) is an emission nebula located 1,350 light-years from Earth in the constellation Orion. William Herschel first observed it in 1786. The nebula exhibits a flame shape characterized by dark dust lanes creating a pattern. Alnitak’s energetic ultraviolet light causes the Flame Nebula to shine. The nebula spans 6 light-years across and contains gas and dust moving at speeds up to 100 kilometers per second.
NGC 2024 is a target for astronomers and astrophotographers due to its proximity to the Horsehead Nebula. The nebula contains a cluster of hundreds of stars. Dust clouds shape the nebula’s structure, creating patterns visible in photographs. Images of the nebula show green representing cooler objects and red representing 24-micron light emitted by warm dust.
The Flame Nebula is situated within the Orion B cloud, part of the Orion Molecular Cloud complex. Orion is a constellation visible in the winter northern celestial hemisphere. John Herschel discovered the Flame Nebula in 1838.
NGC 2024 consists of hydrogen gas at 10,000 Kelvin. The nebula includes dense regions of gas and dust forming new stars. Dust particles play a crucial role in the nebula’s structure, obscuring background stars by absorbing and scattering light. Magnetic fields facilitate star formation within the nebula, regulating the collapse of gas and dust to create denser regions. The Flame Nebula offers an opportunity to study star formation processes and uncover the mysteries of our universe’s creation.
What is a Flame Nebula (NGC 2024)?
The Flame Nebula (NGC 2024) is an emission nebula in the constellation Orion, located 1,350 light-years from Earth. It lies within the Orion B cloud, part of the Orion Molecular Cloud complex. Alnitak’s energetic ultraviolet light causes the Flame Nebula to shine. William Herschel first observed it in 1786.
The Flame Nebula exhibits a flame-like shape. It is characterized by dark dust lanes creating a pattern. Flame nebula emission is dominated by hydrogen alpha emission, with sulfur and nitrogen emission lines. The nebula emits both visible and infrared wavelengths, illuminated by nearby bright stars. Flame nebula stars include many young stars and protostars, surrounded by dense disks of gas and dust. The stellar population consists of several O-type and B-type stars, luminous with strong stellar winds.
The Flame Nebula is 6 light years across. The gas and dust within the nebula move at speeds up to 100 kilometers per second. The Flame Nebula’s age is estimated at 100,000 years. The Flame Nebula’s distance from Earth is 1,300 light-years. The nebula’s mass is estimated to be around 800 solar masses, with a high density averaging 10^3 particles per cubic centimeter.
What type of nebula is the Flame Nebula?
The Flame Nebula (NGC 2024) is an emission nebula located 1,300 light-years away in the constellation Orion. Emission nebulae emit light due to gas excitation by nearby stars. Flame Nebula spans 6 light-years across and maintains a temperature of 10,000 Kelvin. Alnitak, a star of Orion’s Belt, provides the primary light source.
What is the temperature of the Flame Nebula?
The temperature of the Flame Nebula varies across regions and measurements. The nebula’s surface temperature reaches 29,500 K, making it a hot environment. Initial measurements by researchers estimated the temperature at 8,000 K, while later studies suggested a lower value of 7,600 K. The star Alnitak, which influences the nebula, has a surface temperature of 25,000 K.
Observing conditions for imaging the Flame Nebula range from -19°C to 14.4°C. One imaging session started at 51°F and ended at 42°F, demonstrating temperature fluctuations during observations. Another observer reported imaging the nebula at 35°F. A condition for observing was recorded at 5.67°C.
The dust and gas within the Flame Nebula have a temperature difference of 0 K, indicating thermal equilibrium between these components. Astronomers continue to study the temperature variations within the nebula to understand its physics, chemistry, and star formation processes. The complex nature of the Flame Nebula’s temperature distribution contributes to its characteristics and ongoing scientific interest.
What is the radius of Flame Nebula?
Flame Nebula’s radius measures 6 light-years. Total diameter spans 12 light-years. Astronomers determined radius through observations of expansion velocity and distance from Earth. Flame Nebula resides 1350 light-years in the constellation Orion. Distance affects human perception of its size, appearing smaller than actual dimensions.
The Flame Nebula has a core with a radius of 3 light-years. This core is denser than other regions and forms new stars. The extent of the Flame Nebula, including faint outer regions, spans 25 light-years. Images do not capture this extent.
The radius of the Flame Nebula depends on the measured region. Its structure includes the dense inner core, the body, and the extended faint outer regions. Astronomers continue to study and measure the Flame Nebula to refine our understanding of its size and composition.
What is the magnitude of Flame Nebula?
Flame Nebula’s magnitude is 10.5. Astronomers measure its brightness using magnitude scales. Absolute magnitude is estimated at -2.5. Observers can view it with binoculars or telescopes in skies. NGC 2024 appears smaller and fainter than the Orion Nebula. Photometric techniques measure its total light flux.
What are interesting facts about the Flame Nebula?
Flame Nebula, NGC 2024, lies 1,350 light-years away in Orion constellation. Emission nebula resembles a flame or fire tongue. Contains Alnitak Cluster with stars ionizing surrounding gas. Located within Orion B cloud. Popular target for astronomers and astrophotographers due to shape and proximity to Horsehead Nebula. Offers insights into star formation and evolution.
The interesting facts about the Flame Nebula are listed below.
- Flame Nebula location: It is located in the constellation Orion, 1350 light-years away from Earth.
- Flame Nebula type: It is classified as an emission nebula.
- Flame Nebula size: The nebula has a radius of 6 light-years.
- Flame Nebula composition: It consists of ionized hydrogen gas.
- Flame Nebula illumination: Ionized by ultraviolet light from nearby stars, particularly Alnitak.
- Flame Nebula’s nearby star: Alnitak, a star 20 times the mass of our Sun, illuminates the nebula.
- Flame Nebula star cluster: Contains a cluster of hundreds of stars, many of which are newly formed.
- Flame Nebula structure: Dust clouds shape its structure, creating patterns visible in photographs.
- Flame Nebula observations: Astronomers have photographed it using various telescopes and instruments.
- Flame Nebula imagery: Images show green for cooler objects and red for 24-micron light emitted by warm dust.
The Flame Nebula contains a cluster of hundreds of stars, many of which are newly formed. Dust clouds shape the nebula’s structure, creating patterns visible in photographs. Astronomers have photographed the Flame Nebula using various telescopes and instruments. Images of the nebula show green representing cooler objects and red representing 24-micron light emitted by warm dust.
What is the age of Flame Nebula?
The Flame Nebula has an estimated age of 6.4 million years. Stars within the nebula exhibit varying ages, creating a diverse stellar population. Central stars of the Flame Nebula are 200,000 years old. Stars on the outskirts are older, with ages around 1.5 million years.
The Flame Nebula sits within the Orion Complex. Stars in the Orion Complex have an age range of 12 million years. The Flame Nebula represents an active stellar nursery within this region. Stars continue to form in the nebula, fueled by surrounding molecular cloud material. The nebula’s dynamic nature contributes to its evolution and star formation processes.
How was the Flame Nebula formed?
Flame Nebula formed through interactions within Orion Molecular Cloud Complex. Massive stars, including Alnitak and Alnilam, emit radiation and stellar winds. Radiation and winds created cavities in surrounding gas and dust. Ionization process traces cavity edges, creating a flame-like appearance. Star formation occurs as gas and dust collapse under gravity within nebula’s confines.
Alnitak is a star that emerged within the Flame Nebula. Alnitak emits radiation, including ultraviolet and X-rays. Radiation from Alnitak ionizes the surrounding gas clouds. Ionized gas in the Flame Nebula glows as electrons recombine with ions, creating its appearance. The Flame Nebula appears reddish-pink due to hydrogen alpha radiation.
The Flame Nebula is classified as an H II region. Alnitak’s radiation and winds sculpt the Flame Nebula’s shape. The Flame Nebula causes surrounding gas to be ionized and heated. The Flame Nebula showcases relationships between stars, gas, and dust. New stars form in the surrounding gas of the Flame Nebula, creating an evolving environment.
What shape is the Flame Nebula?
The Flame Nebula is an emission nebula with a flame-shaped appearance. Its shape is created by ionized hydrogen gas clouds that glow red and orange. The nebula exhibits a cloud shape, defying simple geometric classification. It appears triangular when viewed from Earth, with a broad base and narrower apex. Closer inspection reveals a blob form in its outer regions.
The Flame Nebula contains distinct structural elements. A prominent elongated pillar structure runs along the nebula’s northern edge, measuring 5 light-years long and 1 light-year wide. This pillar is believed to be a site of active star formation. Another pillar-like structure is in the nebula’s southern region, sculpted by intense radiation and winds from nearby hot stars.
The Flame Nebula sits adjacent to the star Alnitak, the easternmost star in Orion’s Belt. Alnitak’s radiation and stellar winds sculpt the surrounding gas and dust, contributing to the nebula’s shape. The nebula measures 6 light-years across and has an estimated mass 2,000 times that of the Sun. Emission-line maps reveal a “V”-shaped structure within the nebula, adding to its complex morphology.
How did Flame Nebula get its name?
John Herschel named the Flame Nebula in 1837 due to its flame appearance. Glowing hydrogen gas creates the nebula’s look. Hot stars in the Alnitak cluster ionize the gas through radiation. The nebula spans 30 light-years and lies 1,300 light-years from Earth. William Herschel first observed it in 1786.
In which constellation is the Flame Nebula located?
The Flame Nebula is located in the Orion constellation. Orion is a prominent set of stars visible in the winter northern celestial hemisphere. Orion is one of 88 constellations among the 48 listed by astronomer Ptolemy. Civilizations recognized Orion, naming it after a hunter. John Herschel discovered the Flame Nebula in 1838.
In which galaxy is the Flame Nebula located?
The Flame Nebula resides in the Milky Way galaxy. NGC 2024 lies 1,300 light-years from Earth in the constellation Orion. Alnitak, one of Orion’s Belt stars, illuminates this emission nebula. The Flame Nebula forms part of the Orion Molecular Cloud Complex, a star-forming region.
How far is Flame Nebula from Earth?
Flame Nebula (NGC 2024) lies 1,300 light-years from Earth in the constellation Orion. Astronomers estimate its distance using spectroscopic parallax and main-sequence fitting methods. Some sources provide a range of 1,200-1,400 light-years. Flame Nebula spans 6 light-years across and forms part of the Orion Molecular Cloud Complex.
Distance estimates for the Flame Nebula are up for debate. A recent study confirms the nebula’s distance ranges from 1,300 to 1,600 light-years. Another estimate places the limit of the Flame Nebula’s distance at 1,500 light-years. The Flame Nebula lies within a larger molecular cloud complex in the Orion constellation. Astronomers continue to refine distance estimates through research to improve our understanding of star formation processes and galactic structure.
How to find Flame Nebula through a telescope?
Orion’s belt serves as a starting point. Alnitak, the easternmost star in the belt, acts as reference. Flame Nebula lies northeast of Alnitak. Telescopes reveal nebulosity surrounding Alnitak. Flame Nebula remains difficult to observe directly. Horsehead Nebula and NGC 2024 emission nebula appear. Stargazers must focus on area northeast of Alnitak for results.
To find Flame Nebula through a telescope follow the steps outlined below.
- Locate the Orion constellation in the night sky during winter months in the Northern Hemisphere.
- Identify Alnitak, the leftmost star in Orion’s Belt, as your reference point.
- Aim your telescope northeast of Alnitak at coordinates RA 05h 41.5m, Dec -01° 51′.
- Use a telescope with at least an 80mm aperture, preferably 100mm or greater.
- Set your telescope to low or medium magnification between 100x to 200x.
- Adjust the focus to reveal the reddish glow and dark dust lanes of the Flame Nebula.
- Utilize angled eyepieces to capture the full span of the nebula.
- Take long exposure photographs with field refractor telescopes or camera lenses.
- Employ narrowband filters to enhance emission and dust features.
- Capture multiple frames for stacking to improve image quality.
- Observe from a dark sky location to minimize light pollution.
- Allow your eyes 20-30 minutes to adapt to darkness.
- Use the averted vision technique to detect faint details.
- Be patient and persistent for optimal observation results.
Observing the Flame Nebula requires a telescope with at least 80mm aperture. Telescopes with 100mm or greater aperture provide better views. Low to medium magnification between 100x to 200x works for viewing the nebula. The Flame Nebula appears as a reddish glow near Alnitak. Angle eyepieces capture the 6 light-year span of the nebula. Focus adjustment reveals the nebula’s flame shape and dark dust lanes.
Imaging the Flame Nebula requires long exposure times and specialized equipment. Astrophotographers use field refractor telescopes or camera lenses to capture the region. Narrowband filters enhance the view of emission and dust features. Frames are captured for stacking to improve image quality.
Viewing conditions impact the observation of the Flame Nebula. Dark sky locations away from light pollution offer good visibility. Eyes require 20-30 minutes to adapt to darkness. Averted vision technique, looking to the side of the target, helps detect faint details. Patience and persistence are key to observing this celestial wonder.
What is Flame Nebula made of?
Flame Nebula consists of hydrogen gas at 10,000 Kelvin. Nebula includes dense regions of gas and dust forming new stars. Star cluster contains protostars and pre-main-sequence stars surrounded by disks. Dark lanes of dust block background starlight. Infrared observations reveal star and planetary system formation within the nebula.
The composition of Flame Nebula is detailed in the table below.
Component | Role/Characteristic | Wavelength (nm) | Abundance (by mass) | Temperature (K) | Density (cm^-3) |
Hydrogen Gas | Forms 70% of the nebula’s composition; emits reddish light when ionized | 656.3 | 70% | 10000 | 100 |
Molecular Hydrogen | Serves as material for star formation; has a mass of 2.2 x 10^3 solar masses | N/A | 20% | 10 | 10^4 |
Dust Particles | Obscure background stars; form planets and circumstellar disks; have a size range of 0.01-10 microns | N/A | 1% | 20 | 10^3 |
Ionized Gas | Emits light; radiation from stars activates the gas producing colors; has an ionization rate of 10^-3 s^-1 | Various | 5% | 10000 | 100 |
Sulfur | Contributes to the nebula’s appearance with light emission; has an abundance of 1.3 x 10^-5 relative to hydrogen | 673.1 and 671.6 | 0.01% | 10000 | 100 |
Dust particles play a role in the Flame Nebula’s structure. Gas and dust obscure background stars by absorbing and scattering light. These particles form planets and circumstellar disks, acting as precursors to planetary systems.
The Flame Nebula glows due to emission of light from ionized gas. Radiation from stars activates the gas, producing a range of colors. Sulfur in the nebula emits light at wavelengths of 673.1 and 671.6 nanometers, contributing to its appearance.
Star formation occurs within the Flame Nebula. The nebula contains a cluster of young, hot stars called the Trapezium Cluster. This cluster ionizes the surrounding gas, creating the nebula’s emission.
Magnetic fields facilitate the star formation process in the Flame Nebula. These fields regulate the collapse of gas and dust, creating denser regions that form stars. Gas cooling and electron recombination contribute to the formation of neutral hydrogen atoms.
The Flame Nebula sits within the Orion Molecular Cloud, located 1,300 light-years from Earth. This region of space filled with gas and dust serves as the birthplace for stars. The Flame Nebula offers an opportunity to study star formation processes and uncover the mysteries of our universe’s creation.
What is the surface area of Flame Nebula?
Flame Nebula’s surface area approximates 2,827 square light-years. Calculations assume a spherical shape with 15 light-year radius. Formula used: A = 4πr^2. Actual surface area differs due to irregular structure. European Southern Observatory provided measurement data. 12 light-year diameter remains cited. Surface area influences star formation capabilities and nebula structure.
Flame Nebula is a complex star-forming region. Its boundaries lack clear definition due to its irregular shape and extended structure. Calculation methods and data sources influence the area estimates. Observation wavelengths and instrument sensitivity affect the perceived boundaries of the nebula. The core region of the Flame Nebula contains the highest density of gas and dust. Regions include surrounding molecular clouds and ionized gas.
What is at the center of the Flame Nebula?
The Flame Nebula’s center contains a young cluster of stars, including the central star Alnitak. Alnitak is a binary system of two massive stars emitting light and energy. Chandra X-ray Observatory captured an image revealing X-ray emitting gas at the nebula’s center. Young stars in the cluster are forming.
The Flame Nebula has a central O-type star called IRS 2b. IRS 2b has a mass of 20-30 times that of the Sun. It emits radiation and strong stellar winds, shaping the surrounding interstellar medium. The star cluster is surrounded by a structure of dense molecular clouds, ionized gas, and dust lanes.