Exposure
- ID
- GRAVI.2024-01-25T06:22:37.034_2
- Header ID
- GRAVI.2024-01-25T06:22:37.034
- Date updated
- 2024-01-25 06:35:30 UTC+0000
- Release date
- 2024-01-25 06:22:37 UTC+0000
- UTC Start
- 2024-01-25 06:22:37.034
- UTC End
- 2024-01-25 06:27:57.034
- MJD Start
- 60334.26570641
- MJD End
- 60334.2694101137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0118025
- Ambient temperature (°C)
- 13.98
- Seeing (arcsec)
- 0.47
Observation
- ID
- 58275
- 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
- 43149
- Name
- HD93643B
- RA
- 161.912674583333
- DEC
- -53.2561189166667
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 | 52.3270 | 52.2070 | 21.9000 | 22.7000 |
| U1-U3 | 96.3140 | 96.0660 | 28.2000 | 29.0000 |
| U1-U4 | 129.1830 | 128.9790 | 53.9400 | 55.0080 |
| U2-U3 | 44.6720 | 44.5540 | 35.5000 | 36.5000 |
| U2-U4 | 89.2800 | 89.3440 | 72.0740 | 73.2190 |
| U3-U4 | 59.6510 | 59.9140 | 98.5570 | 99.6490 |
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 | 60334.26570641 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | IDS 10435-5244 AB |
| HIERARCH ESO INS SOBJ NAME | HD93643A |
| 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 | 52.327 |
| HIERARCH ESO ISS PBL12 END | 52.207 |
| HIERARCH ESO ISS PBLA12 START | 21.9 |
| HIERARCH ESO ISS PBLA12 END | 22.7 |
| HIERARCH ESO ISS PBL13 START | 96.314 |
| HIERARCH ESO ISS PBL13 END | 96.066 |
| HIERARCH ESO ISS PBLA13 START | 28.2 |
| HIERARCH ESO ISS PBLA13 END | 29.0 |
| HIERARCH ESO ISS PBL14 START | 129.183 |
| HIERARCH ESO ISS PBL14 END | 128.979 |
| HIERARCH ESO ISS PBLA14 START | 53.94 |
| HIERARCH ESO ISS PBLA14 END | 55.008 |
| HIERARCH ESO ISS PBL23 START | 44.672 |
| HIERARCH ESO ISS PBL23 END | 44.554 |
| HIERARCH ESO ISS PBLA23 START | 35.5 |
| HIERARCH ESO ISS PBLA23 END | 36.5 |
| HIERARCH ESO ISS PBL24 START | 89.28 |
| HIERARCH ESO ISS PBL24 END | 89.344 |
| HIERARCH ESO ISS PBLA24 START | 72.074 |
| HIERARCH ESO ISS PBLA24 END | 73.219 |
| HIERARCH ESO ISS PBL34 START | 59.651 |
| HIERARCH ESO ISS PBL34 END | 59.914 |
| HIERARCH ESO ISS PBLA34 START | 98.557 |
| HIERARCH ESO ISS PBLA34 END | 99.649 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011795 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.01181 |
| HIERARCH ESO ISS AMBI TEMP | 13.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | HD93643B |
| HIERARCH ESO FT ROBJ ALPHA | 104739.0419 |
| HIERARCH ESO FT ROBJ DELTA | -531522.0281 |