Exposure
- ID
- GRAVI.2024-01-25T05:44:27.937_1
- Header ID
- GRAVI.2024-01-25T05:44:27.937
- Date updated
- 2024-01-25 06:00:29 UTC+0000
- Release date
- 2024-01-25 05:44:27 UTC+0000
- UTC Start
- 2024-01-25 05:44:27.937
- UTC End
- 2024-01-25 05:49:47.937
- MJD Start
- 60334.23921223
- MJD End
- 60334.2429159337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0110905
- Ambient temperature (°C)
- 13.94
- Seeing (arcsec)
- 0.54
Observation
- ID
- 58272
- Category
- calibrator
- Program ID
- 112.25SQ.001
- Program Title
- A DEAL-BREAKER FOR THE PARADIGM: THE FIRST DIRECT MEASUREMENT OF BROWN DWARF DIAMETERS WITH GRAVITY-VLTI
- Program Type
- Normal
- PI / COI
- SANCHEZ/ GOMEZ MAQUEO CHEW/ BRANDNER
Target
- ID
- 43146
- Name
- HD93643B
- RA
- 161.915596
- DEC
- -53.25609
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.9980 | 52.9140 | 16.3000 | 17.1000 |
| U1-U3 | 97.7050 | 97.5290 | 22.2000 | 23.1000 |
| U1-U4 | 130.0530 | 129.9770 | 46.5770 | 47.6780 |
| U2-U3 | 45.3220 | 45.2410 | 29.2000 | 30.1000 |
| U2-U4 | 88.4250 | 88.5950 | 64.1700 | 65.3540 |
| U3-U4 | 57.5200 | 57.8720 | 91.0490 | 92.1730 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25SQ.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60334.23921223 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | IDS 10435-5244 AB |
| HIERARCH ESO INS SOBJ NAME | HD93643B |
| RA | 161.915596 |
| DEC | -53.25609 |
| 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 | 52.998 |
| HIERARCH ESO ISS PBL12 END | 52.914 |
| HIERARCH ESO ISS PBLA12 START | 16.3 |
| HIERARCH ESO ISS PBLA12 END | 17.1 |
| HIERARCH ESO ISS PBL13 START | 97.705 |
| HIERARCH ESO ISS PBL13 END | 97.529 |
| HIERARCH ESO ISS PBLA13 START | 22.2 |
| HIERARCH ESO ISS PBLA13 END | 23.1 |
| HIERARCH ESO ISS PBL14 START | 130.053 |
| HIERARCH ESO ISS PBL14 END | 129.977 |
| HIERARCH ESO ISS PBLA14 START | 46.577 |
| HIERARCH ESO ISS PBLA14 END | 47.678 |
| HIERARCH ESO ISS PBL23 START | 45.322 |
| HIERARCH ESO ISS PBL23 END | 45.241 |
| HIERARCH ESO ISS PBLA23 START | 29.2 |
| HIERARCH ESO ISS PBLA23 END | 30.1 |
| HIERARCH ESO ISS PBL24 START | 88.425 |
| HIERARCH ESO ISS PBL24 END | 88.595 |
| HIERARCH ESO ISS PBLA24 START | 64.17 |
| HIERARCH ESO ISS PBLA24 END | 65.354 |
| HIERARCH ESO ISS PBL34 START | 57.52 |
| HIERARCH ESO ISS PBL34 END | 57.872 |
| HIERARCH ESO ISS PBLA34 START | 91.049 |
| HIERARCH ESO ISS PBLA34 END | 92.173 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010623 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011558 |
| HIERARCH ESO ISS AMBI TEMP | 13.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | HD93643A |
| HIERARCH ESO FT ROBJ ALPHA | 104739.010 |
| HIERARCH ESO FT ROBJ DELTA | -531523.500 |