Open Access
Table C.2.
Log of the spectroscopic observations of AT 2025abao.
| Date | MJD | Phase | Spectral | Resolution | Telescope + Instrument + Grism |
|---|---|---|---|---|---|
| (d) | range (Å) | ||||
| 2025-10-28 | 60976.90 | −9.4 | 4100-8390 | R ∼ 200 | BL41 0.2m + FOSC-E5535 |
| 2025-10-29 | 60977.61 | −8.7 | 4050-8100 | R ∼ 500 | Seimei 3.8m + KOOLS-IFU (★) |
| 2025-10-31 | 60979.72 | −6.6 | 4050-8100 | R ∼ 500 | Seimei 3.8m + KOOLS-IFU (★) |
| 2025-11-03 | 60982.86 | −3.4 | 3660-7120 | R ∼ 20, 000 | Copernico 1.82m + Echelle |
| 2025-11-03 | 60982.89 | −3.4 | 3500-7580 | R ∼ 400 | Galileo 1.22m + B&C + 300tr |
| 2025-11-04 | 60983.75 | −2.5 | 3400-7880 | R ∼ 400 | Galileo 1.22m + B&C + 300tr |
| 2025-11-05 | 60984.89 | −1.4 | 3430-7880 | R ∼ 400 | Galileo 1.22m + B&C + 300tr |
| 2025-11-06 | 60985.79 | −0.5 | 3500-8040 | R ∼ 450 | Galileo 1.22m + B&C + 300tr |
| 2025-11-07 | 60986.01 | −0.3 | 3700-7130 | R ∼ 900 | NOT 2.56m + ALFOSC + gr7 |
| 2025-11-07 | 60986.03 | −0.3 | 5680-8590 | R ∼ 1, 300 | NOT 2.56m + ALFOSC + gr8 |
| 2025-11-10 | 60989.01 | +2.7 | 3700-7130 | R ∼ 900 | NOT 2.56m + ALFOSC + gr7 |
| 2025-11-10 | 60989.02 | +2.7 | 5680-8590 | R ∼ 1, 100 | NOT 2.56m + ALFOSC + gr8 |
| 2025-11-16 | 60996.04 | +9.7 | 3400-9720 | R ∼ 400 | NOT 2.56m + ALFOSC + gr4 |
| 2025-11-23 | 61002.98 | +16.7 | 6190-7840 | R ∼ 1, 100 | TNG 3.58m + DOLORES + VHRR |
| 2025-11-24 | 61003.01 | +16.7 | 3430-8120 | R ∼ 350 | TNG 3.58m + DOLORES + LRB |
| 2025-11-25 | 61004.82 | +18.5 | 3600-10100 | R ∼ 2, 100 | GTC 10.4m + OSIRIS + R2500U/V/R/I |
| 2025-12-02 | 61011.05 | +24.7 | 3700-9200 | R ∼ 300 | NOT 2.56m + ALFOSC + gr4 |
| 2025-12-10 | 61019.89 | +33.6 | 3660-7110 | R ∼ 20, 000 | Copernico 1.82m + Echelle |
| 2025-12-11 | 61020.98 | +34.7 | 4870-9100 | R ∼ 370 | Copernico 1.82m + AFOSC + VPH6 |
| 2025-12-22 | 61031.02 | +44.7 | 3750-8900 | R ∼ 400 | NOT 2.56m + ALFOSC + gr4 |
| 2025-12-31 | 61040.93 | +54.6 | 3750-8900 | R ∼ 300 | NOT 2.56m + ALFOSC + gr4 |
| 2026-01-12 | 61052.74 | +66.4 | 4870-8950 | R ∼ 250 | Copernico 1.82m + AFOSC + VPH6 |
| 2026-01-23 | 61063.90 | +77.6 | 3850-9000 | R ∼ 300 | NOT 2.56m + ALFOSC + gr4 |
| 2026-02-16 | 61087.75 | +101.4 | 5000-9100 | R ∼ 250 | Copernico 1.82m + AFOSC + VPH6 |
Notes. The phases reported are relative to the g-band first maximum (MJD 60986.3). (★) Spectra presented by Taguchi & Maeda (2025a).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.