Open Access
Table 1
Observation log.
| Object | g magnitude | Observation date | Exp. time (s) | S∕N at 480 nm |
|---|---|---|---|---|
| SDSS J081554.26+472947.5 | 17.06 | 2017-04-05T06:03 | 3600 | 25 |
| SDSS J081554.26+472947.5 | 17.06 | 2017-04-05T07:04 | 3600 | 30 |
| SDSS J081554.26+472947.5 | 17.06 | 2017-04-05T08:05 | 3600 | 30 |
| SDSS J091753.19+523004.9 | 18.58 | 2017-04-06T05:55 | 3600 | 15 |
| SDSS J091753.19+523004.9 | 18.58 | 2017-04-06T06:56 | 3600 | 15 |
| SDSS J091753.19+523004.9 | 18.58 | 2017-04-06T07:57 | 3600 | 15 |
| SDSS J105002.34+242109.7 | 18.04 | 2017-04-05T09:10 | 3600 | 20 |
| SDSS J105002.34+242109.7 | 18.04 | 2017-04-05T10:11 | 3600 | 20 |
| SDSS J105002.34+242109.7 | 18.04 | 2017-04-06T09:05 | 3600 | 25 |
| SDSS J105002.34+242109.7 | 18.04 | 2017-04-06T10:05 | 3600 | 20 |
| SDSS J105002.34+242109.7 | 18.04 | 2017-04-07T05:46 | 3600 | 25 |
| SDSS J105002.34+242109.7 | 18.04 | 2017-04-07T06:47 | 3335 | 25 |
| SDSS J124304.19−081230.6 | 18.25 | 2017-04-05T11:22 | 3600 | 15 |
| SDSS J124304.19−081230.6 | 18.25 | 2017-04-05T12:23 | 3600 | 10 |
| SDSS J124304.19−081230.6 | 18.25 | 2017-04-06T11:11 | 3600 | 20 |
| SDSS J124304.19−081230.6 | 18.25 | 2017-04-06T12:12 | 3600 | 15 |
| SDSS J124304.19−081230.6 | 18.25 | 2017-04-07T08:00 | 3600 | 20 |
| SDSS J124304.19−081230.6 | 18.25 | 2017-04-07T09:00 | 3600 | 20 |
| SDSS J153346.28+155701.8 | 16.91 | 2017-04-05T13:29 | 3000 | 20 |
| SDSS J153346.28+155701.8 | 16.91 | 2017-04-05T14:20 | 3000 | 20 |
| SDSS J153346.28+155701.8 | 16.91 | 2017-04-06T13:16 | 3300 | 20 |
| SDSS J153346.28+155701.8 | 16.91 | 2017-04-06T14:11 | 3300 | 25 |
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