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Table 4.
Log of spectroscopic observations of ILRTs.
| Date | MJD | Phase (a) | Telescope+Instrument | Grism | Spectral range | Resolution | Exp. time |
|---|---|---|---|---|---|---|---|
| (d) | (Å) | (Å) | (s) | ||||
| AT 2010dn | |||||||
| 20100602 | 55349.9 | −5.0 | TNG+LRS | LR-R | 5090–8340 | 10.5 | 2100 |
| 20100603 | 55350.9 | −4.0 | TNG+LRS | LR-B | 3300–7990 | 13.5 | 3000 |
| 20100604 | 55351.9 | −3.0 | TNG+LRS | VHR-R | 6170–7780 | 3.2 | 2700 |
| 20100605 | 55352.9 | −2.0 | TNG+LRS | VHR-I | 7290–8870 | 3.5 | 2700 |
| 20100607 | 55354.9 | +0.0 | WHT+ISIS | R300B/R158R | 3160–10 300 | 4.1/6.8 | 1800/1800 |
| 20100609 | 55356.9 | +2.0 | NOT+ALFOSC | gm4 | 3630–8960 | 18 | 3600 |
| 20100611 | 55358.9 | +4.0 | TNG+LRS | LR-B | 3520–7990 | 11 | 2700 |
| 20100616 | 55363.9 | +9.0 | TNG+LRS | VHR-R | 6190–7820 | 3.2 | 3000 |
| 20100617 | 55364.9 | +10.0 | TNG+LRS | VHR-R | 6190–7820 | 3.2 | 3000 |
| 20100707 | 55384.9 | +30.0 | WHT+ISIS | R300B/R316R | 3160–8860 | 4.1/3.1 | 1200/1200 |
| AT 2012jc | |||||||
| 20120329 | 56015.1 | −8.4 | Ekar1.82 + AFOSC | gm4 | 3500–8060 | 24 | 3600 |
| 20120331 | 56017.3 | −6.2 | Irénée du Pont + WFCCD | blue (400/mm) | 3600–9120 | 5.3 | 1500 |
| 20120414 | 56031.2 | +7.7 | NTT + EFOSC2 | Gr#11/Gr#16 | 3340–9920 | 21.3/21 | 1800 |
| 20120501 | 56048.3 | +24.8 | NTT + EFOSC2 | Gr#11/Gr#16 | 3340–9920 | 14/13 | 1800 |
| 20120623 | 56101.2 | +77.7 | Magellan II + LDSS | VPH-All | 3940–10 300 | 6.5 | 900 |
| AT 2013lb | |||||||
| 20130207 | 56330.1 | +5.6 | Ekar1.82 + AFOSC | gm4 | 3900–8200 | 14 | 2700 |
| 20130207 | 56330.4 | +5.9 | NTT + EFOSC2 | Gr#13 | 3650–9090 | 17 | 1213 |
| 20130207 | 56330.4 | +5.9 | Gemini-S + GMOS-S | R400 | 4210–8440 | 10 | 900 |
| 20130209 | 56332.3 | +7.8 | NTT + EFOSC2 | Gr#11 | 3340–7460 | 22 | 1394 |
| 20130220 | 56343.3 | +18.8 | NTT + EFOSC2 | Gr#11 | 3340–7460 | 22 | 2700 |
| 20130305 | 56356.3 | +31.8 | NTT + EFOSC2 | Gr#11/Gr#16 | 3340–9990 | 14/13 | 2700 |
| 20130422 | 56404.3 | +79.8 | Gemini-S + GMOS-S | R400 | 4210–8440 | 10 | 450 |
| AT 2013la | |||||||
| 20140108 | 56665.2 | +13.2 | Ekar1.82 + AFOSC | gm4 | 3400–8200 | 14 | 1800 |
| 20140115 | 56672.2 | +20.2 | Pennar1.22 + B&C | 300tr | 3350–7930 | 10 | 1800 |
| 20140203 | 56692.2 | +40.2 | TNG+LRS | LR-B | 3430–8050 | 10.5 | 3600 |
| 20140205 | 56694.2 | +42.2 | GTC + OSIRIS | R500R | 5150–9990 | 15.5 | 2700 |
| 20140228 | 56717.2 | +65.2 | GTC + OSIRIS | R1000B | 3650–7850 | 7 | 900 |
| 20140322 | 56739.1 | +87.1 | TNG+LRS | LR-B | 3430–8050 | 10.5 | 2700 |
| 20140716 | 56854.9 | +202.9 | GTC + OSIRIS | R1000B | 3650–7850 | 7 | 1500 |
| 20140814 | 56883.9 | +231.9 | GTC + OSIRIS | R1000B | 3650–7850 | 7 | 1900 |
| 20141220 | 57012.3 | +360.3 | GTC + OSIRIS | R1000B | 3650–7850 | 7 | 1800 |
| AT 2018aes | |||||||
| 20180331 | 58208.1 | −3.0 | GTC + OSIRIS | R1000B/R | 3630–10 080 | 7.5 | 600/600 |
| 20180426 | 58234.1 | +23.0 | GTC + OSIRIS | R1000B/R | 3630–10 340 | 7.5 | 600/600 |
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