ELW bucket list

Nordmarken

Nordmarken
marx said:
Because the main star is the most important star in the system. In your system's case, sure, there'd be a decent amount of ELWs orbiting M stars, but there are very few ELWs (orbiting anything) in white dwarf main star systems.
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Thanks for your answer. Just trying to understand the scientific logic behind it. :D But I assume that an elw in a wd system is a lot less likely since it's basically a dead star. The condition for life is just not there. However with a M star it increases drastically. But if the M star would exist in a white dwarf system it decreases since, I assume, it emits a lot of radiation that's not optimal for the development of life.
 

Rochur

R
Hi. So I just found this one. How would You rank it?
20201104215518_1.jpg
20201104174024_1.jpg
 

marx

marx
Hi there! If you go through the various stuff, it's:
1. Neutron main star: Uncommon (5-15%)
2. Ringed ELW: Rare (1-5%)
3. Solo ELW, meaning no other planets: Uncertain, but likely Very Rare (0.025-1%).

So, depending on the last one, the end result would either be in the Very Rare or the GFL category. And since you wrote that this was your first ELW, congratulations!
 

Martin Shepard

Martin Shepard
I just found an ELW orbiting a carbon star directly which also was the only star in the system. On top of that this system was pretty high above the galactic plane.
 

bioxlapatsa

bioxlapatsa
Ringed ELW orbiting a gas giant with water-based life as the 7th planetary object. UC is pending so i haven't added the system yet - should be edited in a few days when i sell the data.
rELW2.jpg
rELW.jpg
ringedelw.jpg
 

Mooing

M
bioxlapatsa said:
Ringed ELW orbiting a gas giant with water-based life as the 7th planetary object. UC is pending so i haven't added the system yet - should be edited in a few days when i sell the data.
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When you said "ELW orbiting a gas giant" I had assumed something like this. For the bucket list, this is just rare and not moon-of-a-gas-giant rare.
 

marx

marx
A good point, I've updated the OP a bit, with the abbreviation expanded, as well as a line about how you can easily identify ELMs by their name.
 

lukeatkins

L
I just discovered a previously undiscovered Herbig Ae/Be star system with 2 earth-like worlds, one being a moon of a non-terraforming candidate high metal content world, the other being a moon of a class 3 gas giant, do you think this would qualify for the pretty f-ing rare category, or would it potentially be rarer than most items in there?
 

Mooing

M
lukeatkins said:
I just discovered a previously undiscovered Herbig Ae/Be star system with 2 earth-like worlds, one being a moon of a non-terraforming candidate high metal content world, the other being a moon of a class 3 gas giant, do you think this would qualify for the pretty f-ing rare category, or would it potentially be rarer than most items in there?
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Considering that a few of the subcategories are counted in the single digits (shepherd ELMs, ELM of WD, ELW with 5+ moons) I'd say it would fit right in with the rest of them.
 

Chrismasterski

Chrismasterski
Where would you put this? It's in a binary orbit with a class IV gas giant in a nebula
 

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marx

marx
Can't see the main star, but even if it's a common one, a ringed ELW is still a rare find. Congrats! Nice screenshot, too.
 

marx

marx
Chrismasterski said:
Just an F type. Was wondering how much the nebula affects its rarity
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That would depend on how you'd define being near a nebula. There's also that that in places with high star density, there can be thousands and tens of thousands of such systems. Plus then you could also define other categories based on galactic location, such as "ELW near the edge of the galaxy", "ELW in inter-arm void", "ELW in the core" and so on.
 

Chrismasterski

Chrismasterski
Got another one I'm not sure about. The ELW is in a binary orbit with a terraformable HMC and there's a second terraformable HMC orbiting around the ELW and first HMC. Would that second HMC count as a terraformable moon?
 

marx

marx
Chrismasterski said:
Got another one I'm not sure about. The ELW is in a binary orbit with a terraformable HMC and there's a second terraformable HMC orbiting around the ELW and first HMC. Would that second HMC count as a terraformable moon?
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Would have to see the system map to be sure, but based on what you wrote, I think it's not. But the easiest way to check is to read the planet name: if it ends with a letter, it's a moon. So "Blue Blah AA-A d0-8 5 a" is a moon, "Blue Blah AA-A d0-8 5" is not.
 

crotalus

crotalus
marx said:
An ELW orbiting five stars already puts it into GFL territory, then there's that it's a moon of an M dwarf star (Very Rare), and the system's main star is a black hole (also Very Rare).
Congratulations on your find!
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Thanks it was a system I found a few years ago.

What would the rarity be of an Earth like orbiting the second K class star of system where main star is K Giant?
 
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