SN 2011dh in Messier 51

2011, August 30 update


Discovered 2011/05/31.89 by Tom Reiland; Thomas Griga; Amedee Riou; and Stephane Lamotte Bailey  - CBET 2736 - Type IIb supernova.

Coordinates (2000.0) : R.A. = 13h30m05s.12, Decl. = +4710'11".3


01/04/2011 & 06/06/2011 images comparison (E. Sarrazin).

 
P. Beraldi image of SN2011dh in Messier 51. Click on the image for enlarge.
 


Log of observations

#

Date
(DD/MM/YYY)

Observer

Instrument

Exposure

Resolution

Range (A)

dat files

Notes

1

9.863 / 06 / 2011

E. Sarrazin

SA100 + SC25cm + Atik314L+

600 s

100

3700 - 7900

_sn2011dh_20110609_863_sarrazin.dat

1

2

12.910 / 06 / 2011

P. Berardi

SA100 + C9.25 + SXV-H9

60 x 90 s

200

3900 - 9000

_sn2011dh_20110612_910_berardi.dat

2

3

13.855 / 06 / 2011

C. Buil

LISA + C11 + Atik314L+

13 x 300 s

780

3850 - 7100

_sn2011dh_20110613_855_buil.dat

1

4

16.948 / 06 / 2011

F. Teyssier

LISA + SC25cm + SXV-H9

14 x 300 s

700

4200 - 6900

_sn2011dh_20110616_948_teyssier.dat

1

5

17.290 / 06 / 2011

J. Edlin

LISA + C14 + SBIG ST10

9000 s

600

4400 - 7100

_sn2011dh_20110617_290_edlin.dat

2

6

18.870 / 06 / 2011

E. Sarrazin

SA100+ SC25cm + Atik314L+

1500 s

150

3800 - 7900

_sn2011dh_20110618_870_sarrazin.dat

2

7

19.862 / 06 / 2011

C. Buil

LISA + C11 + Atik314L+

11 x 300 s

780

3850 - 7100

_sn2011dh_20110619_862_buil.dat

1

8

21.907 / 06 / 2011

P. Berardi

SA100 + C9.25 + SXV-H9

80 x 90 s

200

3900 - 9000

_sn2011dh_20110621_907_berardi.dat

2

9

22.896 / 06 / 2011

P. Berardi

LHIRES III (150) + C9.25 + SXV-H9

24 x 240 s

550

4200 - 7000

_sn2011dh_20110621_896_berardi.dat

2

10

22.420 / 06 / 2011

J. Edlin

LISA + C14 + SBIG ST10

8400 s

700

4100 - 7100

_sn2011dh_20110622_420_edlin.dat

2

11

23.900 / 06 / 2011

F. Teyssier

LISA + SC25cm + SXV-H9

5 x 1200 s

900

4200 - 6900

_sn2011dh_20110623_900_teyssier.dat

1

12

25.879 / 06 / 2011

C. Buil

LISA + C11 + Atik314L+

13 x 300 s

780

3850 - 7100

_sn2011dh_20110625_879_buil.dat

1

13

27.240 / 06 / 2011

J. Edlin

LISA + C14 + SBIG ST10

5400 s

700

4350 - 7100

_sn2011dh_20110627_240_edlin.dat

2

14

27.946 / 06 / 2011

T. Hansen

SA100 + T20cm + KAF8300

3000 s

120

3900 - 8100

_sn2011dh_20110627_946_hansen.dat

1

15

29.905 / 06 / 2011

F. Teyssier

LISA + SC25cm + SXV-H9

5 x 1200 s

780

4200 - 7400

_sn2011dh_20110629_905_teyssier.dat

1

16

30.880 / 06 / 2011

C. Buil

LISA + C11 + Atik314L+

12 x 600 s

780

3850 - 7100

_sn2011dh_20110630_880_buil.dat

1

17

1.260 / 07 / 2011

J. Edlin

LISA + C14 + SBIG ST10

10800 s

600

4110 - 7160

_sn2011dh_20110701_260_edlin.dat

2

18

1.875 / 07 / 2011

E. Sarrazin

SA100 + SC25cm + Atik314L+

2640 s

150

3900 - 7500

_sn2011dh_20110701_875_sarrazin.dat

2

19

1.910 / 07 / 2011

P. Berardi

SA100 + C9.25 + SXV-H9

76 x 90 s

200

3900 - 8900

_sn2011dh_20110701_910_berardi.dat

2

20

1.932 / 07 / 2011

C. Buil

LISA + C11 + Atik314L+

5 x 600 s

780

3850 - 7100

_sn2011dh_20110701_932_buil.dat

1

21

2.898 / 07 / 2011

C. Buil

LISA + C11 + Atik314L+

6 x 600 s

780

3850 - 7100

_sn2011dh_20110702_898_buil.dat

1

22

5.117 / 07 / 2011

C. Buil

LISA + C11 + Atik314L+

7 x 600 s

780

3850 - 7100

_sn2011dh_20110705_117_buil.dat

1

23

5.865 / 07 / 2011

E. Sarrazin

SA100 + SC25cm + Atik314L+

3480 s

200

4000 - 7100

_sn2011dh_20110705_865_sarrazin.dat

2

24

9.310 / 07 / 2011

J. Edlin

LISA + C14 + SBIG ST10

11400 s

700

4420 - 7060

_sn2011dh_20110709_310_edlin.dat

2

25

19.270 / 07 / 2011

J. Edlin

LISA + C14 + Atik314L+

15 x 300 s

780

4050 - 7100

_sn2011dh_20110719_270_edlin.dat

2

26

21.240 / 07 / 2011

J. Edlin

LISA + C14 + Atik314L+

22 x 300 s

780

4050 - 7100

_sn2011dh_20110721_240_edlin.dat

2

27

27.230 / 07 / 2011

J. Edlin

LISA + C14 + Atik314L+

15 x 300 s

780

4000-7100

_sn2011dh_20110721_240_edlin.dat

2

28

1.888 / 08 / 2011

C. Buil & O. Garde

LISA + C14 (OHP) + Atik314L+

6 x 600 s

780

3850 - 7100

_sn2011dh_20110801_888_buil.dat

1

29

18.870 / 08 / 2011

C. Buil & V. Desnoux

LISA + T60 (0.6-m Pic du Midi) + Atik314L+

7 x 600 s

780

3850 - 7100

_sn2011dh_201108018_870_buil.dat

1

30

29.882 / 08 / 2011

C. Buil & P. Thierry

LISA + T94 (0.94-m Saint-Caprais) + Atik314L+

9 x 300 s

780

3850 - 7100

_sn2011dh_20110829_882_buil.dat

1

Note 1: Date correspond to time of acquisition start.
Note 2: Date for central exposure time.

Conditions for use of data in publications
Note there is no a complete validation check prior to adding spectra to this table. Users should verify the quality of the spectra with the observers concerned.
Use of these data in research publications is encouraged (with citation or association of observers concerned).


Images and profile plots

 


P. Berardi Star Analyser 21/06/2011 observation
Click on the image for enlarge.


P. Berardi Lhires III 150 22/06/2011 observation
Click on the image for enlarge.



Typical 2D LISA spectrum (C. Buil - 19/06/2011 - 35 microns slit - R = 750). Up, before sky removal (note sky pollution), down, after sky removal.
Click on the image for enlarge.


SN2011dh by Torsten Hansen (27/06/2011). Click on the image for enlarge.



Time evolution. The spectra are shifter by 0.5 unit along intensity axis for clarity reason.



Light curve from AAVSO.



AAVSO V magnitude and spectra identification (F. Teyssier compilation).
 


Related sites:

C. Buil supernovae page: http://astrosurf.com/buil/supernovae/2011/obs.htm
E. Sarrazin page:
http://e.sarrazin.free.fr/spectro/sn2011dh.htm


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