Table 2.
List of objects that passed the initial visual inspections.
| Name | IAU name | Redshift | Type (a) | Peak | Peak | Excess | Excess | Excess | Group (b) |
|---|---|---|---|---|---|---|---|---|---|
| MJD | mag. | phase (d) | band | mag. | |||||
| ZTF18aaykjei | SN 2018crl | 0.09690 ± 0.00002 | Ia-CSM | 58297.3 | 18.40 ± 0.04 | 100 – 400 | r | 20.1 – 21.9 | Known Ia-CSM |
| ZTF18abuatfp | SN 2018gkx | 0.13643 ± 0.00001 | Ia-CSM | 58382.1 | 18.71 ± 0.05 | 100 – 475 | gri | 19.6 – 21.5 | Known Ia-CSM |
| ZTF18actuhrs | SN 2018evt | 0.02442 ± 0.00001 | Ia-CSM | 58476.5 | 16.19 ± 0.01 | 100 – 525 | gri | 16.6 – 21.8 | Known Ia-CSM |
| ZTF19aaeoqst | SN 2019agi | 0.05958 ± 0.00001 | Ia-CSM | 58511.5 | 18.46 ± 0.04 | 100 – 450 | gri | 19.2 – 21.9 | Known Ia-CSM |
| ZTF19abidbqp | SN 2019ibk | 0.04014 ± 0.00001 | Ia-CSM | 58688.5 | 18.56 ± 0.05 | 100 – 1125 | gr | 19.1 – 21.5 | Known Ia-CSM |
| ZTF19acbjddp | SN 2019rvb | 0.1832 ± 0.0004 | Ia-CSM | 58790.1 | 18.90 ± 0.06 | 100 – 400 | gr | 20.4 – 22.0 | Known Ia-CSM |
| ZTF20aatxryt | SN 2020eyj | 0.0294 ± 0.0004 | Ia-CSM | 58939.2 | 17.24 ± 0.01 | 100 – 450 | gr | 19.0 – 21.8 | Known Ia-CSM |
| ZTF20abbbsfs | SN 2020kre | 0.13530 ± 0.00001 | Ia-CSM | 58998.2 | 19.09 ± 0.04 | 175 – 425 | gr | 19.8 – 21.4 | Known Ia-CSM |
| ZTF20abmlxrx | SN 2020onv | 0.0940 ± 0.0004 | Ia-CSM | 59052.4 | 17.85 ± 0.01 | 100 – 500 | gr | 18.8 – 21.6 | Known Ia-CSM |
| ZTF20abqkbfx | SN 2020qxz | 0.0968 ± 0.0004 | Ia-CSM | 59094.3 | 18.18 ± 0.04 | 100 – 450 | gri | 19.5 – 21.9 | Known Ia-CSM |
| ZTF20accmutv | SN 2020uem | 0.043 ± 0.001 | Ia-CSM | 59173.5 | 16.38 ± 0.01 | 100 – 525 | gr | 17.4 – 21.4 | Known Ia-CSM |
| ZTF20aciwcuz | SN 2020xtg | 0.06122 ± 0.00001 | Ia-CSM | 59189.5 | 17.45 ± 0.02 | 100 – 500 | gri | 18.0 – 21.9 | Known Ia-CSM |
| ZTF20acyroke | SN 2020aeuh | 0.12665 ± 0.00004 | Ia-CSM | 59217.4 | 19.01 ± 0.06 | 100 – 250 | r | 19.8 – 20.9 | Known Ia-CSM |
| ZTF18aasdted | SN 2018big | 0.01814 ± 0.00001 | Ia-norm | 58268.4 | 15.64 ± 0.01 | 450 – 550 | gr | 20.4 – 21.5 | Sibling |
| ZTF19aaysiwt | SN 2019hnt | 0.0926 ± 0.0004 | Ia | 58651.2 | 18.46 ± 0.05 | 525 – 625 | gr | 20.5 – 21.7 | Sibling |
| ZTF19acihfxz | SN 2019tjz | 0.055 ± 0.003 | Ia-norm | 58795.1 | 18.00 ± 0.03 | 950 - 1050 | r | 19.4 – 20.7 | Sibling |
| ZTF20abzetdf | SN 2020tft | 0.071 ± 0.002 | Ia-norm | 59113.5 | 18.2 ± 0.1 | 725 – 800 | r | 19.4 – 20.2 | Sibling |
| ZTF20acehyxd | SN 2020uvd | 0.0346 ± 0.0005 | Ia-norm | 59129.3 | 18.72 ± 0.03 | 300 – 350 | r | 20.2 – 21.5 | Sibling |
| ZTF19aatlmbo | SN 2019ein | 0.0072 ± 0.0001 | Ia-norm | 58617.2 | Blinded (c) | 100 – 425 | r | 18.9 – 21.8 | Kinked tail |
| ZTF20abqvsik | SN 2020rcq | 0.00246 ± 0.00001 | Ia-norm | 59144.5 | Blinded (c) | 100 – 400 | i | 16.5 – 22.2 | Kinked tail |
| ZTF20abrjmgi | SN 2020qxp | 0.00356 ± 0.00001 | Ia-91bg | 59088.1 | Blinded (c) | 100 – 375 | r | 17.9 – 21.8 | Kinked tail |
| ZTF20abwrcmq | SN 2020sck | 0.01643 ± 0.00001 | Iax | 59099.4 | 16.25 ± 0.01 | 100 – 450 | gri | 19.1 – 21.9 | Kinked tail |
| ZTF20achlced | SN 2020uxz | 0.00867 ± 0.00008 | Ia-norm | 59142.4 | Blinded (c) | 100 – 400 | gr | 17.1 – 21.9 | Kinked tail |
| ZTF19acwrqtv | SN 2019vzf | 0.059 ± 0.004 | Ia-99aa | 58829.1 | 18.00 ± 0.07 | 150 – 400 | gr | 20.7 – 21.8 | Other – AGN(d) |
| ZTF20aahptds | SN 2020awr | 0.07649 ± 0.00002 | Ia-norm | 58888.5 | 18.54 ± 0.07 | 300 – 1050 | i | 20.2 – 20.5 | Other – data issue(d) |
| ZTF20aazwuin | SN 2020kzd | 0.082 ± 0.001 | Ia-norm | 58997.4 | 18.86 ± 0.03 | 250 – 850 | gr | 21.3 – 22.0 | Other – data issue(d) |
| ZTF18abtqevs (*) | SN 2018grt | 0.042 ± 0.003 | Ia-norm | 58372.3 | 18.56 ± 0.02 | 1350 – 1450 | r | 21.1 – 21.3 | Other |
| ZTF19aanyuyh | SN 2020pkj | 0.02456 ± 0.00001 | Ia-norm | 59060.4 | 16.90 ± 0.01 | 100 – 175 | r | 20.8 – 21.1 | Other |
| ZTF19abfvhlx (*) | SN 2019ldf | 0.05646 ± 0.00001 | Ia-norm | 58686.5 | 17.90 ± 0.04 | 1050 – 1225 | ri | 20.1 – 21.1 | Other |
| ZTF19ablekwo | SN 2019mse | 0.088 ± 0.004 | Ia-norm | 58715.4 | 18.37 ± 0.02 | 450 – 700 | gri | 19.8 – 20.6 | Other |
| ZTF19abzwtiu | SN 2019rqn | 0.075 ± 0.003 | Ia-norm | 58760.3 | 18.62 ± 0.03 | 950 – 1050 | r | 20.6 – 21.4 | Other |
| ZTF20aaifyfx | SN 2020alm | 0.06001 ± 0.00001 | Ia-norm | 58873.5 | 18.10 ± 0.02 | 750 – 1025 | gri | 19.9 – 21.9 | Other |
| ZTF20abjfufv (*) | SN 2020tfc | 0.031 ± 0.001 | Ia-norm | 59116.3 | 17.22 ± 0.01 | 550 – 800 | gri | 18.9 – 21.4 | Other |
Notes.
Type is based on spectral classifications from Dimitriadis et al. (2025) and Burgaz et al. (2025), Ia-CSM are those interacting with CSM that is observed around peak, Ia-norm are those that are most consistent with a normal SN Ia, Ia are those without a sub-classification but are consistent with being a SN Ia, and SN 2020sck is a Iax (Dutta et al. 2022).
The objects are split into four groups: Ia-CSM that were previously known, identified siblings, SNe Ia that are detected due to their early-time tail fits showing a kink (Kinked tail), and the ‘Other’ category that includes ten events with potential flux excesses, including three (SN 2019vzf, SN 2020awr and SN 2020kzd) that are subsequently ruled out (see Sect. 4.2).
The peak magnitudes of four SNe Ia in the sample are blinded because of their planned use in H0 constraints (Rigault et al. 2025).
SN 2019vzf is ruled out as a true excess due to AGN variability at the position, in SN 2020awr the excess is only detected in the i and is ruled out by the scene modelling analysis, and SN 2020kzd is detected in the gr bands on a complex galaxy environment and not detected in the scene modelling analysis (see Sect. 4.2.1).
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