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Profile Jason Safoutin
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Message 1106437 - Posted: 15 May 2011, 11:32:16 UTC
Last modified: 15 May 2011, 11:34:20 UTC

was just looking through the new candidate updates of the NTPC and A few of the candidates look promising. I am going to list the candidates in what looks like a pattern, maybe orbital. Just zoom in to see what I mean:

Candidate 1) Skyplot: Metacandidate at RA: 19.007812 Dec: 1.734805

Candidate 5) Skyplot: Metacandidate at RA: 19.007812 Dec: 1.697487

Candidate 2) Skyplot: Metacandidate at RA: 19.006348 Dec: 1.716146

I have not looked at all of the new candidates yet (as of this post) But since the NTPC hasn't posted a new thread to 'discuss' the candidates yet, I figured I would start one here.

There is a star in the plot, and the 'signal(s)' appear to follow something not visible (at least on the pages above), but at the same time appear to follow an almost elliptical pattern (oval-ish) around that star.

I am not sure how to plug coordinates like these into Google earth/sky to get a better look, but am willing to learn if anyone is willing to explain. Anyways...thoughts on the above 3?
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Message 1106477 - Posted: 15 May 2011, 15:45:41 UTC - in response to Message 1106437.

how do you identify those coordinates for those stars in the sky map, i allways seem to get it wrong

Profile Jason Safoutin
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Message 1106479 - Posted: 15 May 2011, 16:00:13 UTC - in response to Message 1106477.

how do you identify those coordinates for those stars in the sky map, i allways seem to get it wrong


I have no idea how to convert the RA/DEC into hours, minutes and seconds. I was hoping I could be taught :P

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Message 1106605 - Posted: 15 May 2011, 22:33:32 UTC - in response to Message 1106479.
Last modified: 15 May 2011, 22:39:35 UTC

I have no idea how to convert the RA/DEC into hours, minutes and seconds. I was hoping I could be taught :P

Most scientific calculators (whether stand-alone or implemented as computer software) have a function for that. But it’s pretty easy to do step-by-step as well:
A. The digits in front of the decimal point represent the hours of RA or the degrees of Dec.
B. Multiply the rest of the number, from the decimal point on, by 60. The digits in front of the decimal represent the minutes.
C. Subtract this value (i.e. discard the integer part again), then multiply the difference by 60; the result is the seconds (with decimals).

Example: RA 19.007812
A. 19 h
B. 60 * .007812 = 0.46872: 0 m
C. 60 * .46872 = 28.123
Converted: 19h00m28.123s

Example: Dec. +1.734805
A. 1°
B. 60 * .734805 = 44.0883: 44'
C. 60 * .0883 = 5.30
Converted: 1°44'05.30" N.
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Message 1106734 - Posted: 16 May 2011, 9:55:56 UTC - in response to Message 1106605.
Last modified: 16 May 2011, 9:58:56 UTC

I have no idea how to convert the RA/DEC into hours, minutes and seconds. I was hoping I could be taught :P

Most scientific calculators (whether stand-alone or implemented as computer software) have a function for that. But it’s pretty easy to do step-by-step as well:
A. The digits in front of the decimal point represent the hours of RA or the degrees of Dec.
B. Multiply the rest of the number, from the decimal point on, by 60. The digits in front of the decimal represent the minutes.
C. Subtract this value (i.e. discard the integer part again), then multiply the difference by 60; the result is the seconds (with decimals).

Example: RA 19.007812
A. 19 h
B. 60 * .007812 = 0.46872: 0 m
C. 60 * .46872 = 28.123
Converted: 19h00m28.123s

Example: Dec. +1.734805
A. 1°
B. 60 * .734805 = 44.0883: 44'
C. 60 * .0883 = 5.30
Converted: 1°44'05.30" N.


The DEC still, according to Google sky, needs to be DD:MM:SS
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Profile Jason Safoutin
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Message 1106737 - Posted: 16 May 2011, 10:21:22 UTC
Last modified: 16 May 2011, 10:44:14 UTC

Well assuming I used this calculator right, Wikisky shows nothing there, or at least nothing visible. There might be a glimpse of something in the 1st or 2nd link, but I suspect it might be just an artifact of zooming/focus etc. I do like to note though that it showed up in 3 different places around that particular star, on at least 3 of the candidates.

EDIT: Most of the candidates follow something around that star. If those calculation above are correct anyways. It looks like they follow a circle around it or at least an oval.

Any insight as to what star that is? EDIT: Wikisky says it's: HD 176488
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Message 1107130 - Posted: 18 May 2011, 1:03:40 UTC - in response to Message 1106605.

the coordinates for the WOW signal, how would that convert then,

Right ascension (on the positive horn): 19h25m31s +/- 10s
Right ascension (on the negative horn): 19h28m22s +/- 10s
Declination (the same for both horns): -26d57m +/- 20m

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Message 1107143 - Posted: 18 May 2011, 2:05:16 UTC - in response to Message 1107130.

Convert to what? Those coordinates are already in sexagesimal format, which is what the earlier posting was about. Are they given for a standard equinox (e.g. J2000)? Or are they for the equinox of the date of the observation? In the latter case they can be converted to a standard reference, or into ecliptic or galactic coordinates, for that matter—but all conversions need both a “from” and a “to”.

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Message 1107155 - Posted: 18 May 2011, 2:34:40 UTC - in response to Message 1106737.
Last modified: 18 May 2011, 2:38:00 UTC

Wikisky says it's: HD 176488

Plugging the first pair of figures into SIMBAD’s coordinate query (note that it’s quite flexible about the input format!) turns up that one, 1.2 arc-minutes away, and a fainter one, BD+01 3848, at 2.0'. A third object in the immediate area is the unidentified infrared source IRAS 18578+0140, at just 0.8'. None of these listings show parallax data, so we can’t tell how far away the objects are, although the entry for HD 176488 gives a spectral type (K2), on which one could base a guesstimate, together with the apparent magnitude.

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Message 1107163 - Posted: 18 May 2011, 2:52:27 UTC - in response to Message 1107155.
Last modified: 18 May 2011, 2:53:00 UTC

Wikisky says it's: HD 176488

Plugging the first pair of figures into SIMBAD’s coordinate query (note that it’s quite flexible about the input format!) turns up that one, 1.2 arc-minutes away, and a fainter one, BD+01 3848, at 2.0'. A third object in the immediate area is the unidentified infrared source IRAS 18578+0140, at just 0.8'. None of these listings show parallax data, so we can’t tell how far away the objects are, although the entry for HD 176488 gives a spectral type (K2), on which one could base a guesstimate, together with the apparent magnitude.


Hm...Interesting that it's an infrared source though. Looking at the Wikisky map of IRAS 18578+0140 (which is found by entering it into the search box) using the infrared viewer (select the map type to view by clicking the DSS icon at the top of the map) doesn't seem to show much of anything aside from a bright orange screen. When zooming out you can see various infrared images, but doesn't appear to be anything there...at least from what Wikisky shows. Invisible source? Or could it be something the star is giving off? Or maybe an object behind the star? Interesting indeed.

EDIT: Also a note: From looking at the NTPC candidates, none of them even go that close to the star itself.
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Message 1107841 - Posted: 20 May 2011, 3:04:11 UTC

Also...I am wondering if there are any recent maps of the sky. It seems Google and Wikisky use data that is quite old. Is there anything that has as close to real time data?
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Message 1108348 - Posted: 21 May 2011, 16:26:27 UTC

Where would this location be in the sky in terms of constelations


13dc10ad.16736.2930.12.10.93_0

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Message 1108492 - Posted: 21 May 2011, 23:47:19 UTC - in response to Message 1108348.
Last modified: 21 May 2011, 23:48:53 UTC

Where would this location be in the sky in terms of constelations


13dc10ad.16736.2930.12.10.93_0


Need more info from the work unit. 13dc = December 13; 10 = 2010

Need the RA and DEC which, assuming you did not finish the Work Unit, can be seen in the graphics.
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Message 1109246 - Posted: 24 May 2011, 2:27:15 UTC - in response to Message 1108492.

23hr 6'43'RA+8deg 51' 59'Dec

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Message 1109306 - Posted: 24 May 2011, 8:18:52 UTC - in response to Message 1109246.

23hr 6'43'RA+8deg 51' 59'Dec

That’s in Pegasus, just north of its east-west border with Pisces.

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Message 1109476 - Posted: 25 May 2011, 2:09:19 UTC - in response to Message 1109306.

thank you for information, any know stars in pegasus with exoplanets?

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Message 1109659 - Posted: 25 May 2011, 16:20:07 UTC
Last modified: 25 May 2011, 16:23:19 UTC

Seven stars in Pegasus are typically mentioned as having exoplanets. Unfortunately, none are anywhere near the coordinates 23 h 6' 43"/ +8d 51' 59". In case these should still be of interest they are: 51 Pegasi b; HAT p 8b; WASP 10b; HD209458 b; Fomalhaut b (HR 8799); HR8799 b, c, d; and V 391 pegasi b. All are referenced on the internet. The Wikipedia entries are useful as much of the information is given in tabular form on the right hand side of the page, near the beginning of the articles. Michael

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Message 1109813 - Posted: 26 May 2011, 2:21:15 UTC - in response to Message 1109659.

Thanks again for infomartion.

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Message 1110741 - Posted: 28 May 2011, 12:46:47 UTC

7hr 11' 42'' RA, +33deg 41' 20'' Dec. I fear I did the calculations wrong.
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Message 1110940 - Posted: 29 May 2011, 2:26:44 UTC - in response to Message 1110741.

7hr 11' 42'' RA, +33deg 41' 20'' Dec. I fear I did the calculations wrong.

What calculations?

But if you’re asking where that is, it’s in northern Gemini, about halfway between Castor and Theta Gem, near the northern limit of Arecibo’s view.

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