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W.D.Watson, E.C.Sutton (UIUC, USA) .. (CSIRO,Australia; ) .. ()

2010



b= 0

b=0.66



0.013"0.013"(140 ..) , 2-


Spots and features


5







Mac Low et al. (1994)

Deguchi, Watson (1989)

Gwinn (1994)








Astrophys.Space Sci. 2004






?



7

6 4 2 0

6

Variability of H2O maser in V0645 Cyg (19-29.05.2009) Red rectangles show features with pronounced variability The strongest feature at -43.8 km/s experienced dramatic change between May 26 and 27. At this moment the source was not monitored.

5

4 -2 3 -4 2 -6 1 -8 -10 -12 -46

19.05.2009 20.05.2009 21.05.2009 22.05.2009 26.05.2009 27.05.2009 28.05.2009 29.05.2009

0

-1 -46

-45.5

-45

-44.5

-44

-43.5

-43

-42.5

-42

-45.5

-45

-44.5

-44

-43.5

-43

-42.5

-42


7

7

7

7

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7

7

7

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May 19

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May 20

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May 21

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May 22

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May 26

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May 27

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May 28

6

May 29

5

5

5

5

5

5

5

5

4

4

4

4

4

4

4

4

3

3

3

3

3

3

3

3

2

2

2

2

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1

1

1

1

1

1

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1

0

0

0

0

0

0

0

0

-1 -1 -1 -1 -46 -45.5 -45 -4 .5 -4 -43.5 -43 -42.5 -426 -45.5 -45 -4 .5 -4 -43.5 -43 -42.5 -462 -45.5 -45 -4 .5 -4 -43.5 -43 -42.5 -426 -45.5 -45 -4 .5 -4 -43.5 -43 -42.5 -42 -46 -44 -42 velocity

-1 -1 -1 -1 -46 -45.5 -45 -4 .5 -4 -43.5 -43 -42.5 -462 -45.5 -45 -4 .5 -4 -43.5 -43 -42.5 -426 -45.5 -45 -4 .5 -4 -43.5 -43 -42.5 -462 -45.5 -45 -4 .5 -4 -43.5 -43 -42.5 -42 -46 -44 -42 velocity

Variability of H2O maser in V0645 Cyg (19-29.05.2009) The strongest feature at -43.8 km/s experienced dramatic change between May 26 and 27. At this moment the source was not monitored.


. 0.022 /



Vlsr<0.022 => ~100 => TB>71043 K


(, ) b= 0

b=0.66



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