Exposure
- ID
- GRAVI.2025-05-13T01:45:26.430_2
- Header ID
- GRAVI.2025-05-13T01:45:26.430
- 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 01:45:26.430
- UTC End
- 2025-05-13 01:46:30.430
- MJD Start
- 60808.07322257
- MJD End
- 60808.07396331074
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0052855
- Ambient temperature (°C)
- 17.84
- Seeing (arcsec)
- 0.89
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 | 41.4330 | 41.3770 | 44.5000 | 44.8000 |
| U1-U3 | 77.8940 | 77.7850 | 52.4000 | 52.6000 |
| U1-U4 | 117.9820 | 117.8690 | 80.4530 | 80.7740 |
| U2-U3 | 37.2840 | 37.2340 | 61.1000 | 61.4000 |
| U2-U4 | 87.8770 | 87.8430 | 96.5220 | 96.8550 |
| U3-U4 | 61.4160 | 61.4370 | 117.1180 | 117.4390 |
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 | 60808.07322257 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100546 |
| HIERARCH ESO INS SOBJ NAME | HD_100546_b |
| RA | 173.362343 |
| DEC | -70.19492 |
| 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 | 41.433 |
| HIERARCH ESO ISS PBL12 END | 41.377 |
| HIERARCH ESO ISS PBLA12 START | 44.5 |
| HIERARCH ESO ISS PBLA12 END | 44.8 |
| HIERARCH ESO ISS PBL13 START | 77.894 |
| HIERARCH ESO ISS PBL13 END | 77.785 |
| HIERARCH ESO ISS PBLA13 START | 52.4 |
| HIERARCH ESO ISS PBLA13 END | 52.6 |
| HIERARCH ESO ISS PBL14 START | 117.982 |
| HIERARCH ESO ISS PBL14 END | 117.869 |
| HIERARCH ESO ISS PBLA14 START | 80.453 |
| HIERARCH ESO ISS PBLA14 END | 80.774 |
| HIERARCH ESO ISS PBL23 START | 37.284 |
| HIERARCH ESO ISS PBL23 END | 37.234 |
| HIERARCH ESO ISS PBLA23 START | 61.1 |
| HIERARCH ESO ISS PBLA23 END | 61.4 |
| HIERARCH ESO ISS PBL24 START | 87.877 |
| HIERARCH ESO ISS PBL24 END | 87.843 |
| HIERARCH ESO ISS PBLA24 START | 96.522 |
| HIERARCH ESO ISS PBLA24 END | 96.855 |
| HIERARCH ESO ISS PBL34 START | 61.416 |
| HIERARCH ESO ISS PBL34 END | 61.437 |
| HIERARCH ESO ISS PBLA34 START | 117.118 |
| HIERARCH ESO ISS PBLA34 END | 117.439 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005486 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005085 |
| HIERARCH ESO ISS AMBI TEMP | 17.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 0.89 |
| HIERARCH ESO FT ROBJ NAME | HD_100546 |
| HIERARCH ESO FT ROBJ ALPHA | 113325.440 |
| HIERARCH ESO FT ROBJ DELTA | -701141.241 |