Meth99em
La Supernova 1999em
dans Ngc 1637
Tableau de
Mesures et Courbe de
lumière par Observateur ( de plus de
5 mesures CR )
Extrait de la circulaire IAUC N
7294
SUPERNOVA 1999em IN NGC 1637 : W. D. Li, University of California at
Berkeley, on behalf of
the Lick Observatory Supernova Search, report the discovery, on an unfiltered
CCD frame taken on Oct. 29.44 UT with the 0.8-m Katzman Automatic Imaging
Telescope, of a supernova (mag about 13.5) located at R.A. = 4h41m27s.04, Decl.
= -2 51'45".2 (equinox 2000.0), which is 15".2 west and 25".1
north of the nucleus of NGC 1637. SN 1999em was confirmed at the Beijing
Astronomical Observatory on Oct. 29.7. A KAIT image of the same field on Oct.
20.45 showed nothing at the position of SN 1999em (limiting mag about 19.0).
Séquence Photométrique donnée
par H YAMAOKA (Université KYUSHU Japon) sur la liste VSNET:
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Champ de la SN1999em dans Ngc 1637 |
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Séquence Photométrique réf: vsnet-chat 2389 (Arcne Henden) |
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ID |
RA (J2000) |
DEC |
V |
V-R |
R-I |
B-V |
R |
I |
|
111 |
70.320543 |
-2.924902 |
12.926 |
0.402 |
0.389 |
0.734 |
12.524 |
12.537 |
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434 |
70.385255 |
-2.828323 |
12.405 |
0.662 |
0.605 |
1.202 |
11.743 |
11.8 |
|
235 |
70.415492 |
-2.827597 |
14.89 |
0.449 |
0.426 |
0.795 |
14.441 |
14.464 |
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70.435653 |
-2.82674 |
15.677 |
0.394 |
0.413 |
0.671 |
15.283 |
15.264 |
|
125 |
70.375277 |
-2.802058 |
13.015 |
0.622 |
0.553 |
1.157 |
12.393 |
12.462 |
|
12 |
70.333462 |
-2.801708 |
14.329 |
0.381 |
0.352 |
0.663 |
13.948 |
13.977 |
|
155 |
70.322328 |
-2.78042 |
13.789 |
0.494 |
0.432 |
0.841 |
13.295 |
13.357 |
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459 |
70.351988 |
-2.76464 |
13.601 |
0.524 |
0.492 |
0.875 |
13.077 |
13.109 |
|
598 |
70.343468 |
-2.759978 |
13.904 |
0.432 |
0.411 |
0.72 |
13.472 |
13.493 |
Dans la carte de Champ, ne tenir compte que des numéros GSC; les
Magnitudes sont dans ce tableau, ci-dessus
Voir la carte de champ de la SN1999em dans Ngc 1637
Tableau identique avec les coordonnées
différentes
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Champ de la SN1999em dans Ngc 1637 |
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Séquence Photométrique réf: vsnet-chat 2389 |
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RA (J2000) |
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DEC |
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ID |
H |
mn |
mn |
sec |
deg. |
' |
' |
" |
V |
V-R |
R-I |
B-V |
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111 |
4 |
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41 |
16.93 |
-2 |
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55 |
29.65 |
12.926 |
0.402 |
0.389 |
0.734 |
|
434 |
4 |
|
41 |
32.46 |
-2 |
|
49 |
41.96 |
12.405 |
0.662 |
0.605 |
1.202 |
|
235 |
4 |
|
41 |
39.72 |
-2 |
|
49 |
39.35 |
14.89 |
0.449 |
0.426 |
0.795 |
|
0 |
4 |
|
41 |
44.56 |
-2 |
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49 |
36.26 |
15.677 |
0.394 |
0.413 |
0.671 |
|
125 |
4 |
|
41 |
30.07 |
-2 |
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48 |
7.409 |
13.015 |
0.622 |
0.553 |
1.157 |
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12 |
4 |
|
41 |
20.03 |
-2 |
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48 |
6.149 |
14.329 |
0.381 |
0.352 |
0.663 |
|
155 |
4 |
|
41 |
17.36 |
-2 |
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46 |
49.51 |
13.789 |
0.494 |
0.432 |
0.841 |
|
459 |
4 |
|
41 |
24.48 |
-2 |
|
45 |
52.7 |
13.601 |
0.524 |
0.492 |
0.875 |
|
598 |
4 |
|
41 |
22.43 |
-2 |
|
45 |
35.92 |
13.904 |
0.432 |
0.411 |
0.72 |
