What does "TON" in TON 618 stand for?

Question

I don't think TON 618 is a random name, but rather a composition of category name and a number.

But when I tried to google it, any article about TON 618 did not contain anything about its name origin and nor did lists about astronomy acronyms contained the term TON.

Even if I am wrong about the composition of category name with a number, I still cannot find any information about origin of its name.

So please, can anyone tell me how TON 618 got its name?

I think you could also write a follow-up question "In what ways do quasars get their designations?" See for example the answer to How did Biden become VP? (naming of 2012 VP113) and How official is TNO 486958, 2014 MU69's new name Arrokoth? and What is the naming convention for newly discovered objects? — uhoh, Oct 03 '21 at 23:18

score 6 · Accepted Answer · answered Oct 02 '21 at 20:52

6

Tonantzitla Observatory. See https://en.wikipedia.org/wiki/TON_618 and https://en.wikipedia.org/wiki/Tonantzintla_Observatory

answered Oct 02 '21 at 20:52

Pierre Paquette

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Oh, thanks, I am an idiot, when I skimmed the article on wikipedia, I did not make that connection. – TStancek Oct 02 '21 at 21:21
1

It’s not being an idiot; it’s a moment of lacking attention… Everyone has one of them once in a while… – Pierre Paquette Oct 02 '21 at 23:05

What does "TON" in TON 618 stand for?

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