Exposure
- ID
- GRAVI.2025-05-13T01:33:20.399_2
- Header ID
- GRAVI.2025-05-13T01:33:20.399
- 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 01:33:20.399
- UTC End
- 2025-05-13 01:38:40.399
- MJD Start
- 60808.06481943
- MJD End
- 60808.068523133705
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005664
- Ambient temperature (°C)
- 17.95
- Seeing (arcsec)
- 0.7749999999999999
Observation
- ID
- 67282
- 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
- 50023
- Name
- HD_100546
- RA
- 173.356
- DEC
- -70.19478916666667
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 41.9010 | 41.6880 | 42.3000 | 43.3000 |
| U1-U3 | 78.8100 | 78.3910 | 50.1000 | 51.1000 |
| U1-U4 | 118.9270 | 118.4950 | 77.6870 | 78.9650 |
| U2-U3 | 37.7110 | 37.5160 | 58.6000 | 59.8000 |
| U2-U4 | 88.1570 | 88.0310 | 93.6520 | 94.9790 |
| U3-U4 | 61.2250 | 61.3160 | 114.3510 | 115.6320 |
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 | 60808.06481943 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.362326 |
| 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 | 41.901 |
| HIERARCH ESO ISS PBL12 END | 41.688 |
| HIERARCH ESO ISS PBLA12 START | 42.3 |
| HIERARCH ESO ISS PBLA12 END | 43.3 |
| HIERARCH ESO ISS PBL13 START | 78.81 |
| HIERARCH ESO ISS PBL13 END | 78.391 |
| HIERARCH ESO ISS PBLA13 START | 50.1 |
| HIERARCH ESO ISS PBLA13 END | 51.1 |
| HIERARCH ESO ISS PBL14 START | 118.927 |
| HIERARCH ESO ISS PBL14 END | 118.495 |
| HIERARCH ESO ISS PBLA14 START | 77.687 |
| HIERARCH ESO ISS PBLA14 END | 78.965 |
| HIERARCH ESO ISS PBL23 START | 37.711 |
| HIERARCH ESO ISS PBL23 END | 37.516 |
| HIERARCH ESO ISS PBLA23 START | 58.6 |
| HIERARCH ESO ISS PBLA23 END | 59.8 |
| HIERARCH ESO ISS PBL24 START | 88.157 |
| HIERARCH ESO ISS PBL24 END | 88.031 |
| HIERARCH ESO ISS PBLA24 START | 93.652 |
| HIERARCH ESO ISS PBLA24 END | 94.979 |
| HIERARCH ESO ISS PBL34 START | 61.225 |
| HIERARCH ESO ISS PBL34 END | 61.316 |
| HIERARCH ESO ISS PBLA34 START | 114.351 |
| HIERARCH ESO ISS PBLA34 END | 115.632 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005055 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006273 |
| HIERARCH ESO ISS AMBI TEMP | 17.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |