Discovery Date: 2021-07-16 04:38:07 UTC
Discovery MJD: 59411.19
Disc g-Mag: 19.92±0.21
Latest Date: 2021-08-10 04:37:02 UTC
Latest MJD: 59436.19
Latest r-Mag: 19.10±0.16
Transient Name Server
SN Ia SN2021tsj
The transient was discovered on 16th July 2021 at 04:38:07 (MJD 59411.19) by ZTF as ZTF21abmspkq with a discovery magnitude of g = 19.93. It was subsequently classified as a SN Ia at z = 0.077.
Sherlock Contextual Classification
Prediction: Nuclear Transient
The transient is synonymous with SDSS J155646.13+284529.3; an r=16.42 mag galaxy found in the SDSS catalogue. Its located 0.9" (1.3 Kpc) from the galaxy core. A host z=0.077 implies a m - M = 37.72.
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 |
|---|---|---|---|---|---|---|---|
| 59436.192384 | 2021-08-10 04:37:02 | r | 19.105 ± 0.158 | +ve | target ref diff | data | |
| 59434.217025 | 2021-08-08 05:12:31 | g | 19.778 ± 0.158 | +ve | target ref diff | data | |
| 59429.274653 | 2021-08-03 06:35:30 | g | 19.122 ± 0.113 | +ve | target ref diff | data | |
| 59427.235359 | 2021-08-01 05:38:55 | g | 19.073 ± 0.091 | +ve | target ref diff | data | |
| 59427.195208 | 2021-08-01 04:41:05 | r | 18.841 ± 0.132 | +ve | target ref diff | data | |
| 59425.224259 | 2021-07-30 05:22:56 | g | 18.938 ± 0.117 | +ve | target ref diff | data | |
| 59425.198218 | 2021-07-30 04:45:26 | r | 18.768 ± 0.119 | +ve | target ref diff | data | |
| 59423.259259 | r | 16.219 | limit | ||||
| 59423.216539 | 2021-07-28 05:11:49 | g | 18.816 ± 0.070 | +ve | target ref diff | data | |
| 59419.270313 | r | 17.679 | limit | ||||
| 59419.204410 | 2021-07-24 04:54:20 | g | 18.734 ± 0.097 | +ve | target ref diff | data | |
| 59417.234931 | r | 17.317 | limit | ||||
| 59414.234317 | 2021-07-19 05:37:24 | g | 19.189 ± 0.138 | +ve | target ref diff | data | |
| 59411.215255 | r | 20.117 | limit | ||||
| 59411.193148 | 2021-07-16 04:38:07 | g | 19.924 ± 0.215 | +ve | target ref diff | data | |
| 59409.205150 | r | 20.487 | limit | ||||
| 59407.262569 | g | 20.622 | limit | ||||
| 59407.207836 | r | 20.446 | limit | ||||
| 59405.310752 | g | 20.420 | limit | ||||
| 59403.288495 | g | 20.684 | limit | ||||
| 59403.226667 | r | 20.482 | limit | ||||
| 59401.315972 | r | 20.624 | limit | ||||
| 59401.252998 | g | 20.527 | limit | ||||
| 59399.281146 | g | 20.732 | limit | ||||
| 59399.212743 | r | 20.540 | limit | ||||
| 59396.324271 | r | 20.301 | limit | ||||
| 59396.288854 | g | 20.597 | limit | ||||
| 59394.290185 | r | 19.974 | limit | ||||
| 59394.228611 | g | 20.752 | limit | ||||
| 59392.338681 | r | 19.907 | limit | ||||
| 59392.232604 | g | 20.464 | limit | ||||
| 59390.294757 | r | 19.900 | limit | ||||
| 59390.269641 | g | 19.523 | limit | ||||
| 59386.320822 | g | 19.661 | limit | ||||
| 59386.211285 | r | 19.411 | limit | ||||
| 59384.326632 | r | 19.955 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 59436.192384 | r | 19.105 | 0.158 | positive | ||
| 59434.217025 | g | 19.778 | 0.158 | positive | ||
| 59429.274653 | g | 19.122 | 0.113 | positive | ||
| 59427.235359 | g | 19.073 | 0.091 | positive | ||
| 59427.195208 | r | 18.841 | 0.132 | positive | ||
| 59425.224259 | g | 18.938 | 0.117 | positive | ||
| 59425.198218 | r | 18.768 | 0.119 | positive | ||
| 59423.259259 | r | 16.219 | limit | |||
| 59423.216539 | g | 18.816 | 0.070 | positive | ||
| 59419.270313 | r | 17.679 | limit | |||
| 59419.204410 | g | 18.734 | 0.097 | positive | ||
| 59417.234931 | r | 17.317 | limit | |||
| 59414.234317 | g | 19.189 | 0.138 | positive | ||
| 59411.215255 | r | 20.117 | limit | |||
| 59411.193148 | g | 19.924 | 0.215 | positive | ||
| 59409.205150 | r | 20.487 | limit | |||
| 59407.262569 | g | 20.622 | limit | |||
| 59407.207836 | r | 20.446 | limit | |||
| 59405.310752 | g | 20.420 | limit | |||
| 59403.288495 | g | 20.684 | limit | |||
| 59403.226667 | r | 20.482 | limit | |||
| 59401.315972 | r | 20.624 | limit | |||
| 59401.252998 | g | 20.527 | limit | |||
| 59399.281146 | g | 20.732 | limit | |||
| 59399.212743 | r | 20.540 | limit | |||
| 59396.324271 | r | 20.301 | limit | |||
| 59396.288854 | g | 20.597 | limit | |||
| 59394.290185 | r | 19.974 | limit | |||
| 59394.228611 | g | 20.752 | limit | |||
| 59392.338681 | r | 19.907 | limit | |||
| 59392.232604 | g | 20.464 | limit | |||
| 59390.294757 | r | 19.900 | limit | |||
| 59390.269641 | g | 19.523 | limit | |||
| 59386.320822 | g | 19.661 | limit | |||
| 59386.211285 | r | 19.411 | limit | |||
| 59384.326632 | r | 19.955 | limit |
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