SMC and 47 Tucanae

How far are SMC and 47 Tucanae from each other, in angular measure?

How well can you measure your position in the Galactic disc by the
parallax between SMC and 47 Tucanae?

If you are able to verify by SMC and 47 Tucanae that you are in
general solar neighbourhood, what would be the next pointers to pick
up?

On 27 Feb 2007 09:09:58 -0800, wrote:

How far are SMC and 47 Tucanae from each other, in angular measure?

How well can you measure your position in the Galactic disc by the
parallax between SMC and 47 Tucanae?

If you are able to verify by SMC and 47 Tucanae that you are in
general solar neighbourhood, what would be the next pointers to pick
up?

What's SMC?

In article ,
David Johnston wrote:

On 27 Feb 2007 09:09:58 -0800, wrote:

How far are SMC and 47 Tucanae from each other, in angular measure?

How well can you measure your position in the Galactic disc by the
parallax between SMC and 47 Tucanae?

If you are able to verify by SMC and 47 Tucanae that you are in
general solar neighbourhood, what would be the next pointers to pick
up?

What's SMC?

I'd say that it's the Small Magellanic Cloud.

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David Johnston wrote:

What's SMC?

The Small Magellanic Cloud. It's at about 00h 53m RA, -72d 50m DEC.

47 Tucanae is at about 00h 24m RA, -72d 05m DEC. So roughly speaking,
that's a difference of about half an hour in right ascension and one
degree in declination, but at very high declination. Altogether that's
a difference of two degrees or so.

Their distances from us are quite different, however; 47 Tuc is only
13.4 kly away, but the Small Magellanic Cloud is 210.0 kly distant.

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