Exposure
- ID
- GRAVI.2025-05-13T00:41:20.267_1
- Header ID
- GRAVI.2025-05-13T00:41:20.267
- Date updated
- 2025-05-13 06:46:34 UTC+0000
- Release date
- 2026-05-13 06:46:33 UTC+0000
- UTC Start
- 2025-05-13 00:41:20.267
- UTC End
- 2025-05-13 00:46:40.267
- MJD Start
- 60808.02870679
- MJD End
- 60808.0324104937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054895
- Ambient temperature (°C)
- 18.14
- Seeing (arcsec)
- 0.78
Observation
- ID
- 67288
- Category
- science
- Program ID
- 115.29EJ.001
- Program Title
- FOLLOW-UP OF A BROWN DWARF CANDIDATE IN THE DISK GAP AROUND HD 100546
- Program Type
- ToO
- PI / COI
- BLAKELY / STOLKER / KAMMERER / BENISTY / BERGER / THOMPSON / JOHNSTONE
Target
- ID
- 50029
- Name
- HD_100546_b
- RA
- 173.362079
- DEC
- -70.19493
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 43.6300 | 43.4660 | 33.1000 | 34.1000 |
| U1-U3 | 82.2360 | 81.9070 | 40.2000 | 41.3000 |
| U1-U4 | 122.4580 | 122.1200 | 65.9670 | 67.2190 |
| U2-U3 | 39.3230 | 39.1670 | 48.1000 | 49.3000 |
| U2-U4 | 89.0460 | 88.9760 | 81.4060 | 82.7200 |
| U3-U4 | 60.1650 | 60.2980 | 102.4130 | 103.7040 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.29EJ.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.02870679 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.362079 |
| DEC | -70.19493 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 339.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 43.63 |
| HIERARCH ESO ISS PBL12 END | 43.466 |
| HIERARCH ESO ISS PBLA12 START | 33.1 |
| HIERARCH ESO ISS PBLA12 END | 34.1 |
| HIERARCH ESO ISS PBL13 START | 82.236 |
| HIERARCH ESO ISS PBL13 END | 81.907 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 41.3 |
| HIERARCH ESO ISS PBL14 START | 122.458 |
| HIERARCH ESO ISS PBL14 END | 122.12 |
| HIERARCH ESO ISS PBLA14 START | 65.967 |
| HIERARCH ESO ISS PBLA14 END | 67.219 |
| HIERARCH ESO ISS PBL23 START | 39.323 |
| HIERARCH ESO ISS PBL23 END | 39.167 |
| HIERARCH ESO ISS PBLA23 START | 48.1 |
| HIERARCH ESO ISS PBLA23 END | 49.3 |
| HIERARCH ESO ISS PBL24 START | 89.046 |
| HIERARCH ESO ISS PBL24 END | 88.976 |
| HIERARCH ESO ISS PBLA24 START | 81.406 |
| HIERARCH ESO ISS PBLA24 END | 82.72 |
| HIERARCH ESO ISS PBL34 START | 60.165 |
| HIERARCH ESO ISS PBL34 END | 60.298 |
| HIERARCH ESO ISS PBLA34 START | 102.413 |
| HIERARCH ESO ISS PBLA34 END | 103.704 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004763 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006216 |
| HIERARCH ESO ISS AMBI TEMP | 18.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |