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#astrodon

66
posts · 30d
9
users
2
posts / day
7.3
posts / user
+ 80% vs last week

#astrodon is an active hashtag on Bluesky. In the last 30 days, 9 people shared 66 posts with it — around 2 a day. Activity is up 80% versus the previous week, peaking on Jul 16 with 11 posts.

#astrodon posts per day (last 30 days)

Related tags

Tags most often used together with #astrodon.

#Space 54 #SpaceX 36 #ElonMusk 33 #Starship 31 #ift13 30 #Astronomy 15 #Science 7 #astrophotography 7 #China 6 #moon 5

Posts with #astrodon

Matthew Kenworthy
@mattkenworthy.bsky.social
12 months ago
Proud supervisor moment: #LeidenObservatory graduate student Richelle van Capelleveen led one of two papers on our discovery of WISPIT 2b, a 5 Jupiter mass exoplanet clearing a path in a circumstellar disk. Laird Close and his team saw it in H-alpha, indicating gas accretion #astrodon 🔭 🧪
A series of concentric black and white ovals against a black background, with a dim red dot in the lower left of one of the paths of a black ring. The ovals are dust rings around a young star, and the red dot is a 5 Jupiter mass exoplanet called WISPIT 2b.
12 52 194
Rob Tilsley
@stargazerrob.bsky.social
over 1 year ago
Part of tonight's moon. Enjoyed seeing Janssen (large crater just above center), and Vallis Rheita. Also cool to get a view of Mare Australe (mare in the far south east). #Moon #Astrodon #astrophotography
Telescopic view of the southeastern region of the 26% illuminated waxing crescent moon, presented north 'up'. The lit region of the moon appears to curve, coming to a point in the lower left of the image. There's a single isolated peak shining beyond the end of the point. A heavily cratered area of the moon. Janssen is near the center of the image and is a large crater containing many other craters. Vallis Rheita is to the upper right of Janssen and is a valley that curves along to the right and down, with quite a few crater impacts. Mare Australe appears as a smoother area right on the very edge of the lower right.
4 14 112
Matthew Kenworthy
@mattkenworthy.bsky.social
5 months ago
Delighted to see our WISPIT team announce the second directly imaged exoplanet from the WISPIT 2 system! Led by Chloe Lawlor (Galway) with Richelle van Capelleveen (Leiden), we also have a spectrum of the inner, more massive planet, showing carbon monoxide features. ☄ #exoplanet #astrodon
Composite showing two red dots, representing the exoplanets WISPIT 2b and 2c, embedded in the white ellipses of scattered light.
2 24 90
Matthew Kenworthy
@mattkenworthy.bsky.social
over 1 year ago
A masters student working on high resolution spectra of Beta Pictoris made river plots of the circumstellar absorption from several hundred epochs…. the human brain is fantastic at spotting trends in these plots, I love them! 🔭🪐 #astrodon
Several pieces of paper, with red lines drawn one on top of another, spread out down the page, exactly like the cover of the album "lost Pleasures" by Joy Division. ~There are several plots laid next to each other on the table, speaking volumes if only we can hear them.
7 12 82
Matthew Kenworthy
@mattkenworthy.bsky.social
18 days ago
You always discover something when you have a new instrument with higher sensitivity - Mahapatra+ on Planet-wide, Concentric Density Waves in Venus’s Upper Atmosphere Revealed through Polarimetry? in which you can see a bullseye on the day-lit side of our sister planet! #exoplanets #astrodon
Two images of Venus, illuminated by the Sun from the lower right. The first image shows a smooth illuminated planet, similar to early ray tracing computer graphics simulations, the right hand image is an image of the degree of polarization and it shows the upper right and lower left are bright, and super imposed on this are a series of faint rings, alternating bright and dark, starting from the point on the planet pointing towards the Sun, and moving out in about eight concentric rings out to the terminator.
2 21 72
Rob Tilsley
@stargazerrob.bsky.social
almost 2 years ago
My first look at the ringed planet this season. Great to see it again! Rings so much more closed now 🪐 View here is the red channel in monochrome. Taken at 3000mm with an 8" reflector, best 9% of 5,000 frames. #Astrodon #Saturn #Astrophotography
Telescopic view of Saturn - monochrome, north 'up'. Planet as a disc in the centre with some hints of horizontal bandings. Rings quite closed, there is a slither of black between the planet and the rings on either side.
1 12 63
Matthew Kenworthy
@mattkenworthy.bsky.social
over 1 year ago
Merc and Boffin show an "Unequivocal detection of the tidal deformation of a red giant in a binary system via interferometry" with reconstruction from PIONIER fringes - their Roche-lobe filling model fits better than a symmetric model. An amazing result! 🔭🪐 #astrodon arxiv.org/abs/2411.14621
A teardrop shaped model image of a red giant star, which is a star with a companion that distorts it and makes the star fill the Roche lobe. The lobe is slightly larger than about half the diameter of the star, making it look more like a cam in an engine. The point of the lobe is at the seven o'clock position.
1 5 56

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