Discovery Date: 2018-12-09 11:14:34 UTC
Discovery MJD: 58461.47
Disc g-Mag: 19.05±0.15
Latest Date: 2019-01-11 10:45:05 UTC
Latest MJD: 58494.45
Latest r-Mag: 19.80±0.14
Transient Name Server
SN Ia SN2018jtb
The transient was discovered on 9th December 2018 at 11:13:55 (MJD 58461.47) by ZTF as ZTF18acurfxn with a discovery magnitude of g = 19.05. It was subsequently classified as a SN Ia at z = 0.108.
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with 2MASXJ12012498%2B6110310; a J=15.06 mag galaxy found in the NED/SDSS/2MASS/PS1 catalogues. It's located 0.20 arcsec N, 8.90 arcsec E (16.0 Kpc) from the galaxy centre. A host z=0.108 implies a m - M = 38.49.
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 |
|---|---|---|---|---|---|---|---|
| 58494.447986 | 2019-01-11 10:45:05 | r | 19.805 ± 0.135 | +ve | target ref diff | data | |
| 58491.558588 | 2019-01-08 13:24:22 | r | 19.814 ± 0.203 | +ve | target ref diff | data | |
| 58486.532963 | 2019-01-03 12:47:28 | g | 19.999 ± 0.159 | +ve | target ref diff | data | |
| 58486.489676 | 2019-01-03 11:45:07 | r | 19.617 ± 0.117 | +ve | target ref diff | data | |
| 58480.506204 | 2018-12-28 12:08:55 | g | 19.647 ± 0.158 | +ve | target ref diff | data | |
| 58471.552789 | 2018-12-19 13:16:01 | r | 18.954 ± 0.088 | +ve | target ref diff | data | |
| 58467.486400 | g | 19.779 | limit | ||||
| 58464.492998 | 2018-12-12 11:49:55 | g | 18.944 ± 0.084 | +ve | target ref diff | data | |
| 58461.468449 | 2018-12-09 11:14:34 | g | 19.048 ± 0.145 | +ve | target ref diff | data | |
| 58450.490890 | g | 19.928 | limit | ||||
| 58447.447940 | r | 19.547 | limit | ||||
| 58443.428030 | r | 19.669 | limit | ||||
| 58440.528340 | r | 20.496 | limit | ||||
| 58440.451180 | g | 18.873 | limit | ||||
| 58432.547420 | r | 20.057 | limit | ||||
| 58432.468900 | g | 20.242 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 58494.447986 | r | 19.805 | 0.135 | positive | ||
| 58491.558588 | r | 19.814 | 0.203 | positive | ||
| 58486.532963 | g | 19.999 | 0.159 | positive | ||
| 58486.489676 | r | 19.617 | 0.117 | positive | ||
| 58480.506204 | g | 19.647 | 0.158 | positive | ||
| 58471.552789 | r | 18.954 | 0.088 | positive | ||
| 58467.486400 | g | 19.779 | limit | |||
| 58464.492998 | g | 18.944 | 0.084 | positive | ||
| 58461.468449 | g | 19.048 | 0.145 | positive | ||
| 58450.490890 | g | 19.928 | limit | |||
| 58447.447940 | r | 19.547 | limit | |||
| 58443.428030 | r | 19.669 | limit | |||
| 58440.528340 | r | 20.496 | limit | |||
| 58440.451180 | g | 18.873 | limit | |||
| 58432.547420 | r | 20.057 | limit | |||
| 58432.468900 | g | 20.242 | limit |
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