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Judy Schmidt / 718 items

N 11 B 117 C 0 E Jun 15, 2019 F Jun 15, 2019
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It's hard to find a spiral with arms this long. Depending on what you're willing to count as a single arm, one of them seems to wrap around almost two times. Upon realizing this I searched around for some other galaxies with more wraps, but couldn't seem to find any with distinct arms. Malin 1 comes to mind, but it's hard to read.

If anyone has any other galaxies with arms similar to this one, let me know.

A color image comprised of DES DR1 data is available:
legacysurvey.org/viewer?ra=351.9539&dec=-47.3811&...

Data from the following proposal is used to create this image:
Establishing HST's Low Redshift Archive of Interacting Systems

All channels: ACS/WFC F606W

North is 29.01° clockwise from up.

Tags:   HST Hubble Prop15446 15446 spiral galaxy wrapping winding arms star formation dust

N 12 B 200 C 2 E Jun 14, 2019 F Jun 14, 2019
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A soft and smooth disk of a galaxy with some arms that are both well-defined and impossible to circumscribe as they blend into one another. One thin lane of dust is visible in front of the nucleus about a third of the distance from the center point to the edge, while another thin lane is just discernible close to the brightest part of the nucleus.

There is another galaxy off to the left which is much smaller and can be partially seen at the edge of the composition. The larger galaxy hardly seems perturbed at all by the smaller one, while the smaller one seems to pulled and stretched thin at its periphery.

A color image comprised of SDSS data can be seen here:
legacysurvey.org/viewer?ra=130.6761&dec=14.2769&z...

Data from the following proposal is used to create this image:
Establishing HST's Low Redshift Archive of Interacting Systems

All channels: ACS/WFC F606W

North is 13.51° clockwise from up.

Tags:   HST Hubble Prop15446 15446

N 19 B 301 C 0 E Jun 14, 2019 F Jun 14, 2019
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An interesting group of galaxies, with the spiral to the mid right looking especially textured and perplexing. I'm not sure the one at the upper left is close enough to be one of the interacting objects. The two to the right seem the most likely to have made a pass at some point.

I'm curious whether the small spiral near the middle has any relationship or if it is in the background. It looks reddened in PanSTARRS data like it could be redshifted, but it also looks super dusty.

Color cutout from PanSTARRS can be found here:
ps1images.stsci.edu/cgi-bin/ps1cutouts?pos=12%3A41%3A03.8...

Data from the following proposal is used to create this image:
Establishing HST's Low Redshift Archive of Interacting Systems

All channels: ACS/WFC F606W

North is 16.37° clockwise from up.

Tags:   HST Hubble Prop15446 15446 spiral galaxy interaction disk multiple star formation dust

N 11 B 324 C 0 E Jun 14, 2019 F Jun 13, 2019
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One of the more normal spiral galaxies that made it into the catalog. Looks like some past interaction just finishing up. This one happens to be overlapping a background galaxy, which might possibly (conjecture on my part) have been mistaken for part of the foreground galaxy at the time it was cataloged.

Taking a look at the catalog itself, this is noted as "RING w. I/A COMP'NS" (ring with interacting companions) and this would appear to be two mistakes: that this is a ring galaxy, and that the background galaxy is a nearby companion. I will note, however, it does look a bit like a ring in the imagery they saw (edit: actually this seems to be imagery from NED, not necessarily the original plate), and that would logically put the backgrounder as a companion based on other assumptions about ring galaxies. Uh, astronomy is based on a lot of assumptions, sometimes.

Found a color image in the DES DR1 data.
legacysurvey.org/viewer?ra=80.6775&dec=-39.0634&z...

Data from the following proposal is used to create this image:
Establishing HST's Low Redshift Archive of Interacting Systems

All channels: ACS/WFC F606W

North is 55.93° counter-clockwise from up.

N 9 B 305 C 0 E Jun 13, 2019 F Jun 13, 2019
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They seem close to evenly matched. Interestingly, both seem to have some brighter spots that could potentially be considered a place where most of the mass is, but I am unable to discern a nucleus for either one.

Data from the following proposal is used to create this image:
Establishing HST's Low Redshift Archive of Interacting Systems

All channels: ACS/WFC F606W

North is 26.1° counter-clockwise from up.

Tags:   HST Hubble Prop15446 15446


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