Discovery Date: 2021-02-23 11:04:18 UTC
Discovery MJD: 59268.46
Disc r-Mag: 18.95±0.12
Latest Date: 2021-03-22 11:58:17 UTC
Latest MJD: 59295.50
Latest r-Mag: 19.39±0.12
Transient Name Server
SN Ia SN2021drw
The transient was discovered on 23rd February 2021 at 11:04:18 (MJD 59268.46) by ZTF as ZTF21aamwyql with a discovery magnitude of r = 18.95. It was subsequently classified as a SN Ia at z = 0.056.
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with 17550342+1253436; a B=16.12 mag galaxy found in the 2MASS/GLADE/PS1 catalogues. Its located 6.17" N, 4.15" W from the galaxy centre.
Difference Image Lightcurves
Access the data from these plots in the ZTF Alert Packet Data table below. Double click on the plots to see the full lightcurve.
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Context Map
DECaLS Sky Browser
ZTF Alert Packet Data
| MJD | UTC | Filter | unforced mag | unforced mag status | forced flux (μJy) | images | alert packet |
|---|---|---|---|---|---|---|---|
| 59295.498819 | 2021-03-22 11:58:17 | r | 19.390 ± 0.120 | +ve | target ref diff | data | |
| 59291.503218 | 2021-03-18 12:04:38 | g | 20.329 ± 0.246 | +ve | target ref diff | data | |
| 59291.462755 | 2021-03-18 11:06:21 | r | 19.261 ± 0.095 | +ve | target ref diff | data | |
| 59280.451609 | 2021-03-07 10:50:19 | r | 18.692 ± 0.122 | +ve | target ref diff | data | |
| 59276.505000 | g | 19.656 | limit | ||||
| 59276.484745 | 2021-03-03 11:38:02 | r | 18.652 ± 0.099 | +ve | target ref diff | data | |
| 59274.521887 | 2021-03-01 12:31:31 | r | 18.684 ± 0.127 | +ve | target ref diff | data | |
| 59274.488426 | 2021-03-01 11:43:19 | g | 19.069 ± 0.248 | +ve | target ref diff | data | |
| 59270.532442 | 2021-02-25 12:46:42 | g | 19.138 ± 0.220 | +ve | target ref diff | data | |
| 59270.505474 | 2021-02-25 12:07:52 | r | 18.807 ± 0.117 | +ve | target ref diff | data | |
| 59268.528495 | 2021-02-23 12:41:02 | g | 19.348 ± 0.124 | +ve | target ref diff | data | |
| 59268.461331 | 2021-02-23 11:04:18 | r | 18.952 ± 0.121 | +ve | target ref diff | data | |
| 59266.536053 | r | 19.515 | limit | ||||
| 59266.511169 | g | 19.484 | limit | ||||
| 59263.530243 | g | 19.879 | limit | ||||
| 59263.497176 | r | 19.275 | limit | ||||
| 59256.529132 | g | 20.429 | limit | ||||
| 59253.544722 | g | 20.465 | limit | ||||
| 59253.544720 | g | 20.465 | limit | ||||
| 59251.508322 | r | 19.810 | limit | ||||
| 59251.508320 | r | 19.810 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 59295.498819 | r | 19.390 | 0.120 | positive | ||
| 59291.503218 | g | 20.329 | 0.246 | positive | ||
| 59291.462755 | r | 19.261 | 0.095 | positive | ||
| 59280.451609 | r | 18.692 | 0.122 | positive | ||
| 59276.505000 | g | 19.656 | limit | |||
| 59276.484745 | r | 18.652 | 0.099 | positive | ||
| 59274.521887 | r | 18.684 | 0.127 | positive | ||
| 59274.488426 | g | 19.069 | 0.248 | positive | ||
| 59270.532442 | g | 19.138 | 0.220 | positive | ||
| 59270.505474 | r | 18.807 | 0.117 | positive | ||
| 59268.528495 | g | 19.348 | 0.124 | positive | ||
| 59268.461331 | r | 18.952 | 0.121 | positive | ||
| 59266.536053 | r | 19.515 | limit | |||
| 59266.511169 | g | 19.484 | limit | |||
| 59263.530243 | g | 19.879 | limit | |||
| 59263.497176 | r | 19.275 | limit | |||
| 59256.529132 | g | 20.429 | limit | |||
| 59253.544722 | g | 20.465 | limit | |||
| 59253.544720 | g | 20.465 | limit | |||
| 59251.508322 | r | 19.810 | limit | |||
| 59251.508320 | r | 19.810 | limit |
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