Exposure
- ID
- GRAVI.2025-05-13T00:25:29.226_1
- Header ID
- GRAVI.2025-05-13T00:25:29.226
- Date updated
- 2025-05-13 06:41:45 UTC+0000
- Release date
- 2026-05-13 06:41:44 UTC+0000
- UTC Start
- 2025-05-13 00:25:29.226
- UTC End
- 2025-05-13 00:30:49.226
- MJD Start
- 60808.01769938
- MJD End
- 60808.0214030837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0074800000000000005
- Ambient temperature (°C)
- 17.77
- Seeing (arcsec)
- 0.755
Observation
- ID
- 67285
- 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
- 50026
- Name
- HD_100546_b
- RA
- 173.362081
- DEC
- -70.19494
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.0680 | 43.9170 | 30.2000 | 31.2000 |
| U1-U3 | 83.1190 | 82.8140 | 37.2000 | 38.3000 |
| U1-U4 | 123.3610 | 123.0500 | 62.4280 | 63.6830 |
| U2-U3 | 39.7420 | 39.5970 | 45.0000 | 46.1000 |
| U2-U4 | 89.2130 | 89.1590 | 77.6830 | 79.0050 |
| U3-U4 | 59.7630 | 59.9100 | 98.7420 | 100.0470 |
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 | 60808.01769938 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.362081 |
| DEC | -70.19494 |
| 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 | 44.068 |
| HIERARCH ESO ISS PBL12 END | 43.917 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 31.2 |
| HIERARCH ESO ISS PBL13 START | 83.119 |
| HIERARCH ESO ISS PBL13 END | 82.814 |
| HIERARCH ESO ISS PBLA13 START | 37.2 |
| HIERARCH ESO ISS PBLA13 END | 38.3 |
| HIERARCH ESO ISS PBL14 START | 123.361 |
| HIERARCH ESO ISS PBL14 END | 123.05 |
| HIERARCH ESO ISS PBLA14 START | 62.428 |
| HIERARCH ESO ISS PBLA14 END | 63.683 |
| HIERARCH ESO ISS PBL23 START | 39.742 |
| HIERARCH ESO ISS PBL23 END | 39.597 |
| HIERARCH ESO ISS PBLA23 START | 45.0 |
| HIERARCH ESO ISS PBLA23 END | 46.1 |
| HIERARCH ESO ISS PBL24 START | 89.213 |
| HIERARCH ESO ISS PBL24 END | 89.159 |
| HIERARCH ESO ISS PBLA24 START | 77.683 |
| HIERARCH ESO ISS PBLA24 END | 79.005 |
| HIERARCH ESO ISS PBL34 START | 59.763 |
| HIERARCH ESO ISS PBL34 END | 59.91 |
| HIERARCH ESO ISS PBLA34 START | 98.742 |
| HIERARCH ESO ISS PBLA34 END | 100.047 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007066 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007894 |
| HIERARCH ESO ISS AMBI TEMP | 17.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |