NGC 3201 (Caldwell 79) (Dionysus)

Celestial hemisphere: Southern · Constellation: Vela (Vel) · Contains: HD297225 · HD297226 · HD297233 · HD89191 · HD89232 · HD89328 · HD89412 · HD89493 · HD89623 · HD89712 · NGC 3201

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NGC 3201 (Caldwell 79)

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NGC 3201 (Caldwell 79)

NGC 3201 (also known as Caldwell 79) is a low galactic latitude globular cluster in the southern constellation of Vela. It has a very low central concentration of stars.

The radial velocity of this cluster is unusually high at 490 km/s, larger than any other cluster known. It is located at a distance of 16,300 light years from the Sun and has an estimated 157,000 times the mass of the Sun. This cluster is about 10.24 billion years old.

The stellar population of this cluster is inhomogeneous, varying with distance from the core. The effective temperature of the stars shows an increase with greater distance, with the redder and cooler stars tending to be located closer to the core. As of 2010, this is one of only two clusters (the other being Messier 4) that shows a definite inhomogeneous population.

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	7952210
PixInsight job	UD6QXGFBIP0I7030N6FEVZ7LFHU0BPG9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	10h17m33s.18
RA (top/left)	10h20m22s.17
RA (top/right)	10h14m40s.20
RA (bottom/right)	10h14m41s.28
RA (bottom/left)	10h20m29s.76

Dec (center)	-46°24′16″.3
Dec (top/left)	-45°53′59″.9
Dec (top/right)	-45°54′44″.8
Dec (bottom/right)	-46°54′16″.4
Dec (bottom/left)	-46°53′30″.4

Image Index:

Contribution Index (beta):

NGC 3201 (Caldwell 79)

NGC 3201 (Caldwell 79)

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Image Index:

Contribution Index (beta):

NGC 3201 (Caldwell 79)

NGC 3201 (Caldwell 79)

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