Exposure
- ID
- GRAVI.2025-05-13T00:47:17.282_2
- Header ID
- GRAVI.2025-05-13T00:47:17.282
- 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 00:47:17.282
- UTC End
- 2025-05-13 00:52:37.282
- MJD Start
- 60808.03283891
- MJD End
- 60808.03654261371
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005859
- Ambient temperature (°C)
- 18.09
- Seeing (arcsec)
- 1.045
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 | 43.4560 | 43.2860 | 34.1000 | 35.1000 |
| U1-U3 | 81.8870 | 81.5470 | 41.3000 | 42.4000 |
| U1-U4 | 122.1000 | 121.7510 | 67.2930 | 68.5480 |
| U2-U3 | 39.1570 | 38.9970 | 49.3000 | 50.5000 |
| U2-U4 | 88.9720 | 88.8950 | 82.7990 | 84.1140 |
| U3-U4 | 60.3060 | 60.4340 | 103.7810 | 105.0700 |
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 | 60808.03283891 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.362076 |
| DEC | -70.19491 |
| 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 | 43.456 |
| HIERARCH ESO ISS PBL12 END | 43.286 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 35.1 |
| HIERARCH ESO ISS PBL13 START | 81.887 |
| HIERARCH ESO ISS PBL13 END | 81.547 |
| HIERARCH ESO ISS PBLA13 START | 41.3 |
| HIERARCH ESO ISS PBLA13 END | 42.4 |
| HIERARCH ESO ISS PBL14 START | 122.1 |
| HIERARCH ESO ISS PBL14 END | 121.751 |
| HIERARCH ESO ISS PBLA14 START | 67.293 |
| HIERARCH ESO ISS PBLA14 END | 68.548 |
| HIERARCH ESO ISS PBL23 START | 39.157 |
| HIERARCH ESO ISS PBL23 END | 38.997 |
| HIERARCH ESO ISS PBLA23 START | 49.3 |
| HIERARCH ESO ISS PBLA23 END | 50.5 |
| HIERARCH ESO ISS PBL24 START | 88.972 |
| HIERARCH ESO ISS PBL24 END | 88.895 |
| HIERARCH ESO ISS PBLA24 START | 82.799 |
| HIERARCH ESO ISS PBLA24 END | 84.114 |
| HIERARCH ESO ISS PBL34 START | 60.306 |
| HIERARCH ESO ISS PBL34 END | 60.434 |
| HIERARCH ESO ISS PBLA34 START | 103.781 |
| HIERARCH ESO ISS PBLA34 END | 105.07 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006597 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005121 |
| HIERARCH ESO ISS AMBI TEMP | 18.09 |
| HIERARCH ESO ISS AMBI FWHM START | 1.0 |
| HIERARCH ESO ISS AMBI FWHM END | 1.09 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |