Exposure
- ID
- GRAVI.2024-01-25T05:57:54.971_1
- Header ID
- GRAVI.2024-01-25T05:57:54.971
- Date updated
- 2024-01-25 06:15:24 UTC+0000
- Release date
- 2024-01-25 05:57:54 UTC+0000
- UTC Start
- 2024-01-25 05:57:54.971
- UTC End
- 2024-01-25 06:03:14.971
- MJD Start
- 60334.24855291
- MJD End
- 60334.2522566137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011017
- Ambient temperature (°C)
- 13.91
- Seeing (arcsec)
- 0.55
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 | 52.7900 | 52.6940 | 18.3000 | 19.1000 |
| U1-U3 | 97.2710 | 97.0710 | 24.3000 | 25.2000 |
| U1-U4 | 129.8430 | 129.7260 | 49.1900 | 50.2790 |
| U2-U3 | 45.1210 | 45.0280 | 31.4000 | 32.4000 |
| U2-U4 | 88.8060 | 88.9410 | 66.9780 | 68.1470 |
| U3-U4 | 58.3370 | 58.6580 | 93.7130 | 94.8220 |
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 | 60334.24855291 |
| 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 | 52.79 |
| HIERARCH ESO ISS PBL12 END | 52.694 |
| HIERARCH ESO ISS PBLA12 START | 18.3 |
| HIERARCH ESO ISS PBLA12 END | 19.1 |
| HIERARCH ESO ISS PBL13 START | 97.271 |
| HIERARCH ESO ISS PBL13 END | 97.071 |
| HIERARCH ESO ISS PBLA13 START | 24.3 |
| HIERARCH ESO ISS PBLA13 END | 25.2 |
| HIERARCH ESO ISS PBL14 START | 129.843 |
| HIERARCH ESO ISS PBL14 END | 129.726 |
| HIERARCH ESO ISS PBLA14 START | 49.19 |
| HIERARCH ESO ISS PBLA14 END | 50.279 |
| HIERARCH ESO ISS PBL23 START | 45.121 |
| HIERARCH ESO ISS PBL23 END | 45.028 |
| HIERARCH ESO ISS PBLA23 START | 31.4 |
| HIERARCH ESO ISS PBLA23 END | 32.4 |
| HIERARCH ESO ISS PBL24 START | 88.806 |
| HIERARCH ESO ISS PBL24 END | 88.941 |
| HIERARCH ESO ISS PBLA24 START | 66.978 |
| HIERARCH ESO ISS PBLA24 END | 68.147 |
| HIERARCH ESO ISS PBL34 START | 58.337 |
| HIERARCH ESO ISS PBL34 END | 58.658 |
| HIERARCH ESO ISS PBLA34 START | 93.713 |
| HIERARCH ESO ISS PBLA34 END | 94.822 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.01156 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010474 |
| HIERARCH ESO ISS AMBI TEMP | 13.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | HD93643A |
| HIERARCH ESO FT ROBJ ALPHA | 104739.010 |
| HIERARCH ESO FT ROBJ DELTA | -531523.500 |