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HD 44283: Delta Scuti star with regular frequency distribution? Zsófia Bognár Konkoly Observatory COROT Day, 2007 March 12.

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Presentation on theme: "HD 44283: Delta Scuti star with regular frequency distribution? Zsófia Bognár Konkoly Observatory COROT Day, 2007 March 12."— Presentation transcript:

1 HD 44283: Delta Scuti star with regular frequency distribution? Zsófia Bognár Konkoly Observatory COROT Day, 2007 March 12

2 HD 44283 0.2*[Fe/H]: 3.6*log g: 7250 K*T eff : 19 km/s *v sin i : 9.29V Mag.: F5*Sp. type: +06 45 49  (2000.0): 06 21 16  (2000.0): Basic data  Poretti et al.: 2005, AJ 129, 2461

3 HD 44283  Poretti et al.: 2005, AJ 129, 2461

4 HD 44283 3.3Feb. 02/03, 2007 25.7 3.4Jan. 15/16, 2007 3.2Dec. 19/20, 2006 5Feb. 13/14, 2006 3.6Jan. 10/11, 2006 1.6Jan. 09/10, 2006 5.6Dec. 26/27, 2005 Length [hrs] Date Observations

5 HD 44283 4.920.21 f3f3 5.39.13 f2f2 8.914.14 f1f1 A [mmag] f [c/d]

6 HD 44283 2.520.7 f3f3 2.77.5 f2f2 8.614.2 f1f1 A [mmag] f [c/d]

7 HD 44283 2006/072005/06 20.7 7.5 14.2 f [c/d] 2.5 2.7 8.6 A [mmag] 4.9 5.3 8.9 A [mmag] 20.21 f3f3 9.13 f2f2 14.14 f1f1 f [c/d] 8.814.0 f1f1 7.410.1 f2f2 A [mmag] f [c/d]

8 Thank you for your attention!


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