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Дата изменения: Tue Jul 22 18:46:39 2003
Дата индексирования: Tue Oct 2 11:35:43 2012
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GOODS/HST Transient Search Results
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GOODS/HST TRANSIENT SEARCH

As part of the GOODS HST Treasury Program, we are carrying out a search for time-variable and transient objects in the Chandra Deep Field South (CDF-S) and Hubble Deep Field North (HDF-N). GOODS observations with the Advanced Camera for Surveys (ACS) are divided into five epochs per field, separated by approximately 45 days. Variable objects, such as high redshift supernova candidates, can be identified by comparing observations from epoch to epoch, providing four search opportunities for each of the two fields. Significant transients will be reported via this web page within 72 hours of the completion of observations from each search.

Nineteen transients were found in four searches of the CDF-S and eighteen of these were confirmed by the IAU. Sixteen transient objects were discovered in the first three searches of the HDF-N, with fifteen confirmed by the IAU. In the fourth and final search of the HDF-N an additional six transients were identified. With all eight GOODS transient object searches now complete, the total number of transients identified stands at forty-one. Images and additional information for individual transients are available by clicking on the object IDs in the tables below.

Additional Notes:

CDF-S Search N.1

Observations- Epoch 1S: UT 31 July-4 August 2002, Epoch 2S: UT 19-23 September 2002

NAME
GOODS ID
IAU ID
RA(J2000)
DEC(J2000)
Z MAGNITUDE_Vega
Direction of Variance
APHRODITE
s2z29_1553_1159
SN 2002fw
03:32:37.52
-27:46:46.5
24.56+/-0.10
increasing
APOLLO
s2z27_0248_2453
SN 2002fv
03:32:19.22
-27:49:34.0
25.15+/-0.10
increasing
ARTEMIS
s2z21_2027_2426
SN 2002fz
03:32:48.54
-27:54:17.6
24.87+/-0.12
increasing
ATHENA
s2z35_1606_1934
SN 2002fx
03:32:06.80
-27:44:34.4
25.47+/-0.18
increasing
ATLAS
s2z24_2901_2895
SN 2002ga
03:32:32.62
-27:53:16.7
24.87+/-0.12
increasing
HADES
s2z36_1340_0571
SN 2002fy
03:32:18.12
-27:41:55.6
24.86+/-0.10
decreasing
PROMETHEUS
s2z29_3060_0971
N/A
03:32:35.76
-27:47:58.8
>=26.5
decreasing

CDF-S Search N.2

Observations- Epoch 2S: UT 19-23 September 2002, Epoch 3S: UT 31 October-3 November 2002

NAME
GOODS ID
IAU ID
RA(J2000)
DEC(J2000)
Z MAGNITUDE_Vega
Direction of Variance
THOTH
s3z09_2799_1103
SN 2002hp
03:32:24.79
-27:46:17.8
24.35+/-0.10
increasing
BAST
s3z13_1384_2980
SN 2002hs
03:32:18.59
-27:48:33.7
25.55+/-0.15
increasing
OSIRIS
s3z15_0787_4099
SN 2002ht
03:32:09.32
-27:41:29.3
25.50+/-0.15
increasing
RE
s3z09_0488_3471
SN 2002hq
03:32:30.12
-27:43:46.7
25.68+/-0.15
increasing
ISIS
s3z10_1544_2448
SN 2002hr
03:32:22.57
-27:41:52.2
23.50+/-0.05
increasing

CDF-S Search N.3

Observations- Epoch 3S: UT 31 October-3 November 2002, Epoch 4S: UT 19-22 December 2002

NAME
GOODS ID
IAU ID
RA(J2000)
DEC(J2000)
Z MAGNITUDE_Vega
Direction of Variance
SMEAGOL
s4z35_3785_1337
SN 2002ke
3:31:58.77
-27:45:00.7
25.7+/-0.1
increasing
BILBO
s4z34_1613_3461
SN 2002kc
3:32:34.72
-27:39:58.3
21.70+/-0.05
increasing
FRODO
s4z33_2292_1054
SN 2002kd
3:32:22.34
-27:44:26.9
23.8+/-0.1
increasing
DENETHOR
s4z25_2147_1805
SN 2002kb
3:32:42.42
-27:50:25.4
>=26.5
decreasing

HDF-N Search N.1

Observations- Epoch 1N: UT 21-22 November 2002, Epoch 2N: UT 2-4 January 2003

NAME
GOODS ID
IAU ID
RA(J2000)
DEC(J2000)
Z MAGNITUDE_Vega
Direction of Variance
NANNA
n2z36_2337_2898
SN 2002ki
12:37:28.35
62:20:40.0
>=25.1
decreasing
BALDER
n2z27_1877_1718
SN 2002kh
12:36:16.78
62:14:37.7
>=27.0
decreasing
LOKI
n2z26_2290_3570
SN 2003N
12:37:09.06
62:11:00.7
25.9+/-0.3
increasing
ODIN
n2z28_2850_3322
SN 2003en
12:36:33.12
62:13:48.1
>=25.5
decreasing

CDF-S Search N.4

Observations- Epoch 4S: UT 19-22 December 2002, Epoch 5S: UT 1-5 February 2003

NAME
GOODS ID
IAU ID
RA(J2000)
DEC(J2000)
Z MAGNITUDE_Vega
Direction of Variance
INANNA
s5z06_0972_2942
SN 2003aj
3:32:44.33
-27:55:06.4
25.7+/-0.1
increasing
GILGAMESH
s5z06_1062_3697
SN 2003ak
3:32:46.90
-27:54:49.4
25.8+/-0.1
increasing
ENKI
s5z15_1064_1471
SN 2003al
3:32:05.39
-27:44:29.2
24.5+/-0.1
increasing

HDF-N Search N.2

Observations- Epoch 2N: UT 2-4 January 2003, Epoch 3N: UT 20-23 February 2003

NAME
GOODS ID
IAU ID
RA(J2000)
DEC(J2000)
Z MAGNITUDE_Vega
Direction of Variance
AGUGUX
n3z04_3914_0891
SN 2002kl
12:37:49.30
62:14:06.1
>=27.5
decreasing
TORNGASAK
n3z10_1045_3828
SN 2003az
12:37:19.67
62:18:37.5
24.4+/-0.1
increasing
SEDNA
n3z12_3745_3665
SN 2003ba
12:36:15.88
62:12:37.7
23.7+/-0.1
increasing
RAVEN
n3z06_4107_2477
SN 2003bb
12:36:24.47
62:08:35.3
25.6+/-0.2
increasing
MICHABO
n3z02_0445_3829
SN 2003bc
12:36:38.06
62:09:53.3
24.0+/-0.1
increasing
ANGUTA
n3z04_2212_3977
SN 2003bd
12:37:25.06
62:13:17.5
23.2+/-0.1
increasing
QIQIRN
n3z01_1769_3675
SN 2003be
12:36:25.97
62:06:55.6
23.1+/-0.1
increasing

HDF-N Search N.3

Observations- Epoch 3N: UT 20-23 February 2003, Epoch 4N: UT 3-7 April 2003

NAME
GOODS ID
IAU ID
RA(J2000)
DEC(J2000)
Z MAGNITUDE_Vega
Direction of Variance
ASHE
n4z23_1423_2192
SN 2003dz
12:36:39.91
62:07:52.7
25.1+/-0.1
increasing
BORG
n4z26_0914_1722
SN 2003dy
12:37:09.16
62:11:29.0
24.5+/-0.1
increasing
VILAS
n4z26_3687_1733
N/A
12:37:29.0
62:11:27.8
23.2+/-0.1
increasing
MCENROE
n4z29_3177_3075
SN 2003eb
12:37:15.18
62:13:34.6
22.8+/-0.1
increasing
CONNORS
n4z29_2739_4184
SN 2003ea
12:37:12.04
62:12:38.3
25.4+/-0.1
increasing
PHIDIPPIDES
n4z21_4152_1100
SN 2003dx
12:36:31.75
62:08:48.7
25.2+/-0.1
increasing

HDF-N Search N.4

Observations-Epoch 4N: UT 3-7 April 2003, Epoch 5N: UT 21-25 May 2003

NAME
GOODS ID
IAU ID
RA(J2000)
DEC(J2000)
Z MAGNITUDE_Vega
Direction of Variance
JAGGER
n5z07_0952_2023
SN 2003ew
12:36:27.78
62:11:25.1
>=26.0
decreasing
ELVIS
n5z04_3075_4229
SN 2003eq
12:37:48.34
62:13:35.3
23.2+/-0.1
increasing
JANIS
n5z01_1999_1815
SN 2003er
12:36:32.27
62:07:35.2
23.2+/-0.1
increasing
RAMONE
n5z08_1360_3225
SN 2003es
12:36:55.39
62:13:11.9
23.8+/-0.1
increasing
JIMI
n5z11_3467_0952
SN 2003et
12:35:55.87
62:13:32.8
25.3+/-0.1
increasing
LENNON
n5z11_2325_4083
SN 2003eu
12:36:05.90
62:11:01.6
24.7+/-0.1
increasing

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