Radio Galaxy Zoo Talk
Lots of tiny artifacts. #artifact
This looks like a candidate giant galaxy, based on the larger images (FIRST, NVSS) linked above. #overedge #grg
Suggesting it as a rotating image for Zooniverse homepage
One of two 7-peaked, single-contour sources in RGZ.
Trying to work on automatic routines to count multi-peaked, single-component sources. Am picking this as an example!
Interesting. What about this source makes you think that?
Yep - definite artifact. The six-sided shape comes from the arrangement of antennas in the VLA, which is in a big Y shape.
Definitely. A nice #double!
See http://goo.gl/MgNSy0 and http://goo.gl/VGi8y0 for more details
Not necessarily - this is a new ATLAS image! ATLAS is much more sensitive than FIRST, so at least the 3 center blobs are prob. real.
But the magnitude (r=22.58) is at the very faintest limit of what SDSS can make a detection at.
That's an unusually huge range on the redshift (although it's z_ph, not z_sp). Must be a very poor fit to the templates.
Yeah - that's a super bright 9th mag star to the lower left. SDSS image does show several potential candidates near the radio.
#goldstandard
Yeah - hard to say, especially without any IR counterpart. No sign of extended structure in NVSS...
Thanks for the hashtags! We're building up a great #overedge sample on the site.
FIRST field shows a paired double lobe.
FYI: diffraction spikes are artifacts caused by light diffracting (or bending) around the optics in the telescope (mostly the 2ndary mirror)
Exactly - you can see that long streak is pointing straight at the star in the lower right.
The trusty #tutorial image.
#bent #corejet
yep. lovely #hourglass, though.
Oops - looks like contours are correct after all (bug issue when resizing browser). Being fixed now!
Since the VLA (the radio telescope) looks like a big Y, artifacts have that same shape (mirrored and rotated).
Good idea - definitely possible. Stronger sources create more #artifact s. The hexagonal pattern comes from layout of the radio telescope
Yep - definitely. Contour levels are misaligned on this image, though.
#bent as well, I'd say
Try the #missingIR hashtag for these.
Lenses are almost impossible to see in these IR images; we'd need much better resolution and sensitivity.
Lenses would be almost impossible to see at the resolution and wavelength of these infrared images. Usually need optical or better.
Yes, although you can see neat radio #hotspot s along the jet to the lower right. Very nice FRII #hourglass (or possible #hybrid)
Looks like a bad image - either it's saturated, or we've gotten the levels wrong in processing. #artefact #IRartefact #IRwhite
Looks likely to me, especially given the nice linear alignment of the sources.
Definitely worth examining individually, though!
This is a REALLY crowded image; the very regular spacing of the radio (and the fact that most don't have a galaxy) might mean #noise.
Agreed. Don't worry - we have many people searching each image, so we should still get a good ID even if you missed it. #hourglass
Also, #hourglass shape
The really long blue stripes you see in the radio image are mostly artifacts, though - true BH emission is the really bright stuff.
Yep - the long jet that you see is definitely coming from the galaxy, and powered by its black hole!
Looks like it, although host galaxy just looks to be sticking out between the radio lobes.
Gotta learn not to take so long with my posts. @vrooje is constantly scooping me. 😃
For extended jets, def. For smaller objects, it might be a combination of the BH and radiation from supernovae and other stellar processes.
What is max linear size based off, @mini.mintaka? Turnover of D_A at z=1?
All the radio emission has been pre-clipped at a given sensitivity level; keeps you from seeing little noise blobs all over the image.
Looks like it, @HelPer2
Neat - looks like the blob to the upper left could be an extended jet
Long jet, or multiple distinct sources with counterparts?
Possible bent, wide angle jet in the initial stages of forming?
Lots of tiny artifacts. #artifact
This looks like a candidate giant galaxy, based on the larger images (FIRST, NVSS) linked above. #overedge #grg
Suggesting it as a rotating image for Zooniverse homepage
One of two 7-peaked, single-contour sources in RGZ.
One of two 7-peaked, single-contour sources in RGZ.
Trying to work on automatic routines to count multi-peaked, single-component sources. Am picking this as an example!
Interesting. What about this source makes you think that?
Yep - definite artifact. The six-sided shape comes from the arrangement of antennas in the VLA, which is in a big Y shape.
Definitely. A nice #double!
See http://goo.gl/MgNSy0 and http://goo.gl/VGi8y0 for more details
Not necessarily - this is a new ATLAS image! ATLAS is much more sensitive than FIRST, so at least the 3 center blobs are prob. real.
But the magnitude (r=22.58) is at the very faintest limit of what SDSS can make a detection at.
That's an unusually huge range on the redshift (although it's z_ph, not z_sp). Must be a very poor fit to the templates.
Yeah - that's a super bright 9th mag star to the lower left. SDSS image does show several potential candidates near the radio.
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
#goldstandard
Yeah - hard to say, especially without any IR counterpart. No sign of extended structure in NVSS...
Thanks for the hashtags! We're building up a great #overedge sample on the site.
FIRST field shows a paired double lobe.
FYI: diffraction spikes are artifacts caused by light diffracting (or bending) around the optics in the telescope (mostly the 2ndary mirror)
Exactly - you can see that long streak is pointing straight at the star in the lower right.
The trusty #tutorial image.
#bent #corejet
yep. lovely #hourglass, though.
Oops - looks like contours are correct after all (bug issue when resizing browser). Being fixed now!
Since the VLA (the radio telescope) looks like a big Y, artifacts have that same shape (mirrored and rotated).
Good idea - definitely possible. Stronger sources create more #artifact s. The hexagonal pattern comes from layout of the radio telescope
Yep - definitely. Contour levels are misaligned on this image, though.
#bent as well, I'd say
Try the #missingIR hashtag for these.
Lenses are almost impossible to see in these IR images; we'd need much better resolution and sensitivity.
Lenses would be almost impossible to see at the resolution and wavelength of these infrared images. Usually need optical or better.
Yes, although you can see neat radio #hotspot s along the jet to the lower right. Very nice FRII #hourglass (or possible #hybrid)
Looks like a bad image - either it's saturated, or we've gotten the levels wrong in processing. #artefact #IRartefact #IRwhite
Looks likely to me, especially given the nice linear alignment of the sources.
Definitely worth examining individually, though!
This is a REALLY crowded image; the very regular spacing of the radio (and the fact that most don't have a galaxy) might mean #noise.
Agreed. Don't worry - we have many people searching each image, so we should still get a good ID even if you missed it. #hourglass
Also, #hourglass shape
The really long blue stripes you see in the radio image are mostly artifacts, though - true BH emission is the really bright stuff.
Yep - the long jet that you see is definitely coming from the galaxy, and powered by its black hole!
Looks like it, although host galaxy just looks to be sticking out between the radio lobes.
Gotta learn not to take so long with my posts. @vrooje is constantly scooping me. 😃
For extended jets, def. For smaller objects, it might be a combination of the BH and radiation from supernovae and other stellar processes.
What is max linear size based off, @mini.mintaka? Turnover of D_A at z=1?
All the radio emission has been pre-clipped at a given sensitivity level; keeps you from seeing little noise blobs all over the image.
Looks like it, @HelPer2
Neat - looks like the blob to the upper left could be an extended jet
Long jet, or multiple distinct sources with counterparts?
Possible bent, wide angle jet in the initial stages of forming?