Template:Infobox galaxy cluster

{{{name}}}
{{{image}}} Credit: {{{credit}}}
Observation data (Epoch {{{epoch}}})
Constellation(s)	{{{constellation}}}
Right ascension	{{{ra}}}
Declination	{{{dec}}}
Brightest member	{{{brightest_member}}}
Number of galaxies	{{{member_no}}}
Richness class	{{{richness}}}
Bautz-Morgan classification	{{{bmtype}}}
Velocity dispersion	{{{velocity_dispersion}}}
Redshift	{{{redshift}}}
Distance (co-moving)	{{{distance}}}
ICM temperature	{{{temperature}}}
Binding mass	{{{mass}}}
X-ray luminosity	{{{luminosity}}}
X-ray flux	{{{flux}}}
Other designations
{{{other_names}}}

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Infobox for articles on galaxy groups and galaxy clusters. Intended for the creation of new galaxy cluster pages and for updating older pages with outdated infoboxes.

Usage

{{Infobox galaxy cluster | name = | image = | caption = | credit = | epoch = | constellation = | ra = {{RA|00|00}} | dec = {{DEC|±00|00}} | brightest_member = | member_no = | richness = | bmtype = | velocity_dispersion = | redshift = | distance = {{convert|000|Mpc|Mly|0|abbr=on|lk=on}} {{hub|0.00}} | temperature = | mass = 0{{e|14}} {{hub|0.00}} [[solar mass|M<sub>☉</sub>]] | luminosity = | flux = | other_names = }}

Parameters

name

Name of the object wikilinked to the parent catalog page, i.e. Abell 370, NGC 7318, etc.

image

Associated image of the object: [[Image:name.png|300px]]

caption

Text underneath the image.

credit

To whom do we owe this great pleasure?

epoch

Equatorial coordinates based on which epoch? If other than J2000, please find or convert to J2000.

constellation

Wikilink to constellation.

ra

{{RA|00|00}}

dec

{{DEC|±00|00}}

brightest_member

The brightest (visible) member.

member_no

The number of galaxies belonging to the cluster, out to (at least) the virial radius.

richness

Abell (or related) richness class. Based on number of members within a magnitude range of m₃ to m₃+2, where m₃ is the magnitude of the third brightest member of the cluster. Not to be mistaken for the total number of galaxies in the cluster. Link to the digital version of the entire Abell Catalog is here.

bmtype

Bautz-Morgan classification type is available via NASA Extragalactic Database (NED) or the digital version of the Abell Catalog.

velocity_dispersion

Velocity dispersion of the cluster (as opposed to of only the core).

redshift

• z, if ≳ 0.2 : 0.8
• z (km/s), if ≲ 0.2 : 0.0717 (21 500 km/s)

distance

NED's default value for the dimensionless Hubble parameter is 0.73 using the WMAP 3-year results, but one is able to change this to match the WMAP 5-year results with h=0.705.

• If measurement is left in 'units' of h: {{hub|}} gives h⁻¹
  
• If h=0.73 is used: {{hub|0.73}} gives h⁻¹
  _0.73
• {{convert|100|Mpc|Mly|2|abbr=on|lk=on}} {{hub|0.73}} gives 100 Mpc (326.16 Mly) h⁻¹
  _0.73
• {{convert|100|+/-|20|Mpc|Mly|abbr=on|lk=on}} {{hub|0.73}} gives 100 ± 20 Mpc (326 ± 65 Mly) h⁻¹
  _0.73
• Use Gpc as appropriate and/or feel free to leave off the light-year conversion if it becomes unwieldy. Parsecs are less ambiguous and are preferred over light-years, especially at cosmological distances (and also at nearby distances were parallaxes can be measured).

temperature

X-ray temperature of the intracluster medium, usually given in keV.

mass

• 1.4{{e|14}} {{hub|0.70}} [[solar mass|M<sub>☉</sub>]] gives 1.4×10¹⁴ h⁻¹
  _0.70 M_☉

luminosity

• X-ray luminosity, usually given in erg s^-1 for some keV range.
• 1.4{{e|14}} [[erg]] s<sup>-1</sup> (0.1—2.4 [[electron volt|keV]]) gives 1.4×10¹⁴ erg s^-1 (0.1—2.4 keV)

flux

• X-ray flux, usually given in erg s^-1 cm^-2 for some keV range.
• (1.4 ± 0.2){{e|-11}} [[erg]] s<sup>-1</sup> cm<sup>-2</sup> (0.1—2.4 [[electron volt|keV]]) gives (1.4 ± 0.2)×10⁻¹¹ erg s^-1 cm^-2 (0.1—2.4 keV)

other_names

Please don't list all the cross-identifications in NED for each object.

Other websites

• NASA Astrophysics Data System Abstracts (adsabs)
• NASA Extragalactic Database (NED)
• Converting to J2000 coordinates
• Digital version of the Abell catalog

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