Exposure
- ID
- GRAVI.2025-05-13T01:15:17.353_2
- Header ID
- GRAVI.2025-05-13T01:15:17.353
- 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 01:15:17.353
- UTC End
- 2025-05-13 01:20:37.353
- MJD Start
- 60808.05228418
- MJD End
- 60808.0559878837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050735
- Ambient temperature (°C)
- 18.11
- Seeing (arcsec)
- 1.085
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 | 42.5540 | 42.3560 | 39.1000 | 40.1000 |
| U1-U3 | 80.0940 | 79.7040 | 46.6000 | 47.7000 |
| U1-U4 | 120.2530 | 119.8500 | 73.5890 | 74.8630 |
| U2-U3 | 38.3130 | 38.1300 | 55.0000 | 56.1000 |
| U2-U4 | 88.5250 | 88.4170 | 89.3840 | 90.7130 |
| U3-U4 | 60.9010 | 61.0070 | 110.2140 | 111.5050 |
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 | 60808.05228418 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.361992 |
| DEC | -70.19486 |
| 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 | 42.554 |
| HIERARCH ESO ISS PBL12 END | 42.356 |
| HIERARCH ESO ISS PBLA12 START | 39.1 |
| HIERARCH ESO ISS PBLA12 END | 40.1 |
| HIERARCH ESO ISS PBL13 START | 80.094 |
| HIERARCH ESO ISS PBL13 END | 79.704 |
| HIERARCH ESO ISS PBLA13 START | 46.6 |
| HIERARCH ESO ISS PBLA13 END | 47.7 |
| HIERARCH ESO ISS PBL14 START | 120.253 |
| HIERARCH ESO ISS PBL14 END | 119.85 |
| HIERARCH ESO ISS PBLA14 START | 73.589 |
| HIERARCH ESO ISS PBLA14 END | 74.863 |
| HIERARCH ESO ISS PBL23 START | 38.313 |
| HIERARCH ESO ISS PBL23 END | 38.13 |
| HIERARCH ESO ISS PBLA23 START | 55.0 |
| HIERARCH ESO ISS PBLA23 END | 56.1 |
| HIERARCH ESO ISS PBL24 START | 88.525 |
| HIERARCH ESO ISS PBL24 END | 88.417 |
| HIERARCH ESO ISS PBLA24 START | 89.384 |
| HIERARCH ESO ISS PBLA24 END | 90.713 |
| HIERARCH ESO ISS PBL34 START | 60.901 |
| HIERARCH ESO ISS PBL34 END | 61.007 |
| HIERARCH ESO ISS PBLA34 START | 110.214 |
| HIERARCH ESO ISS PBLA34 END | 111.505 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004109 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006038 |
| HIERARCH ESO ISS AMBI TEMP | 18.11 |
| HIERARCH ESO ISS AMBI FWHM START | 1.06 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |