Exposure
- ID
- GRAVI.2025-05-13T00:03:41.171_2
- Header ID
- GRAVI.2025-05-13T00:03:41.171
- 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 00:03:41.171
- UTC End
- 2025-05-13 00:04:45.171
- MJD Start
- 60808.00255985
- MJD End
- 60808.00330059074
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005797999999999999
- Ambient temperature (°C)
- 18.12
- Seeing (arcsec)
- 0.81
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 | 44.6010 | 44.5700 | 26.4000 | 26.6000 |
| U1-U3 | 84.2100 | 84.1450 | 33.2000 | 33.4000 |
| U1-U4 | 124.4690 | 124.4040 | 57.5890 | 57.8920 |
| U2-U3 | 40.2640 | 40.2330 | 40.7000 | 40.9000 |
| U2-U4 | 89.3620 | 89.3550 | 72.5740 | 72.8950 |
| U3-U4 | 59.1540 | 59.1940 | 93.6710 | 93.9910 |
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 | 60808.00255985 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.361961 |
| DEC | -70.19487 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 44.601 |
| HIERARCH ESO ISS PBL12 END | 44.57 |
| HIERARCH ESO ISS PBLA12 START | 26.4 |
| HIERARCH ESO ISS PBLA12 END | 26.6 |
| HIERARCH ESO ISS PBL13 START | 84.21 |
| HIERARCH ESO ISS PBL13 END | 84.145 |
| HIERARCH ESO ISS PBLA13 START | 33.2 |
| HIERARCH ESO ISS PBLA13 END | 33.4 |
| HIERARCH ESO ISS PBL14 START | 124.469 |
| HIERARCH ESO ISS PBL14 END | 124.404 |
| HIERARCH ESO ISS PBLA14 START | 57.589 |
| HIERARCH ESO ISS PBLA14 END | 57.892 |
| HIERARCH ESO ISS PBL23 START | 40.264 |
| HIERARCH ESO ISS PBL23 END | 40.233 |
| HIERARCH ESO ISS PBLA23 START | 40.7 |
| HIERARCH ESO ISS PBLA23 END | 40.9 |
| HIERARCH ESO ISS PBL24 START | 89.362 |
| HIERARCH ESO ISS PBL24 END | 89.355 |
| HIERARCH ESO ISS PBLA24 START | 72.574 |
| HIERARCH ESO ISS PBLA24 END | 72.895 |
| HIERARCH ESO ISS PBL34 START | 59.154 |
| HIERARCH ESO ISS PBL34 END | 59.194 |
| HIERARCH ESO ISS PBLA34 START | 93.671 |
| HIERARCH ESO ISS PBLA34 END | 93.991 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006102 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005494 |
| HIERARCH ESO ISS AMBI TEMP | 18.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |