Exposure
- ID
- GRAVI.2025-05-13T01:05:23.328_2
- Header ID
- GRAVI.2025-05-13T01:05:23.328
- 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 01:05:23.328
- UTC End
- 2025-05-13 01:10:43.328
- MJD Start
- 60808.04540889
- MJD End
- 60808.049112593704
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0043415
- Ambient temperature (°C)
- 18.05
- Seeing (arcsec)
- 1.03
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 | 42.8870 | 42.7000 | 37.3000 | 38.3000 |
| U1-U3 | 80.7530 | 80.3820 | 44.7000 | 45.8000 |
| U1-U4 | 120.9320 | 120.5500 | 71.3630 | 72.6250 |
| U2-U3 | 38.6220 | 38.4480 | 53.0000 | 54.1000 |
| U2-U4 | 88.7000 | 88.6030 | 87.0600 | 88.3790 |
| U3-U4 | 60.7050 | 60.8180 | 107.9510 | 109.2360 |
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 | 60808.04540889 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.362023 |
| 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 | 42.887 |
| HIERARCH ESO ISS PBL12 END | 42.7 |
| HIERARCH ESO ISS PBLA12 START | 37.3 |
| HIERARCH ESO ISS PBLA12 END | 38.3 |
| HIERARCH ESO ISS PBL13 START | 80.753 |
| HIERARCH ESO ISS PBL13 END | 80.382 |
| HIERARCH ESO ISS PBLA13 START | 44.7 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 120.932 |
| HIERARCH ESO ISS PBL14 END | 120.55 |
| HIERARCH ESO ISS PBLA14 START | 71.363 |
| HIERARCH ESO ISS PBLA14 END | 72.625 |
| HIERARCH ESO ISS PBL23 START | 38.622 |
| HIERARCH ESO ISS PBL23 END | 38.448 |
| HIERARCH ESO ISS PBLA23 START | 53.0 |
| HIERARCH ESO ISS PBLA23 END | 54.1 |
| HIERARCH ESO ISS PBL24 START | 88.7 |
| HIERARCH ESO ISS PBL24 END | 88.603 |
| HIERARCH ESO ISS PBLA24 START | 87.06 |
| HIERARCH ESO ISS PBLA24 END | 88.379 |
| HIERARCH ESO ISS PBL34 START | 60.705 |
| HIERARCH ESO ISS PBL34 END | 60.818 |
| HIERARCH ESO ISS PBLA34 START | 107.951 |
| HIERARCH ESO ISS PBLA34 END | 109.236 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005433 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00325 |
| HIERARCH ESO ISS AMBI TEMP | 18.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 1.24 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |