Exposure
- ID
- GRAVI.2024-02-25T03:53:38.666_1
- Header ID
- GRAVI.2024-02-25T03:53:38.666
- Date updated
- 2024-02-25 04:05:31 UTC+0000
- Release date
- 2025-02-25 04:05:31 UTC+0000
- UTC Start
- 2024-02-25 03:53:38.666
- UTC End
- 2024-02-25 03:59:38.666
- MJD Start
- 60365.16225308
- MJD End
- 60365.1664197467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075935
- Ambient temperature (°C)
- 16.3
- Seeing (arcsec)
- 0.505
Observation
- ID
- 58519
- Category
- science
- Program ID
- 112.2622.001
- Program Title
- TEMPORAL MONITORING OF TW HYA'S MAGNETOSPHERE WITH GRAVITY
- Program Type
- Normal
- PI / COI
- SOULAIN/ ROUSSELET-PERRAUT/ BOUVIER/ BENISTY/ TESSORE/ PANTOLMOS/ DOUGADOS/ ALECIAN/ BERGER/ DONATI/ LABADIE
Target
- ID
- 43320
- Name
- TW_Hya
- RA
- 165.468367
- DEC
- -34.70485
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5090 | 56.4940 | 14.8000 | 15.7000 |
| U1-U3 | 102.4340 | 102.4310 | 20.7000 | 21.6000 |
| U1-U4 | 128.0790 | 128.4500 | 46.8770 | 47.9280 |
| U2-U3 | 46.5790 | 46.6020 | 27.8000 | 28.7000 |
| U2-U4 | 85.6140 | 86.1340 | 67.3860 | 68.4250 |
| U3-U4 | 57.9060 | 58.4140 | 98.2270 | 99.0500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.2622.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60365.16225308 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | V TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468367 |
| DEC | -34.70485 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.509 |
| HIERARCH ESO ISS PBL12 END | 56.494 |
| HIERARCH ESO ISS PBLA12 START | 14.8 |
| HIERARCH ESO ISS PBLA12 END | 15.7 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.431 |
| HIERARCH ESO ISS PBLA13 START | 20.7 |
| HIERARCH ESO ISS PBLA13 END | 21.6 |
| HIERARCH ESO ISS PBL14 START | 128.079 |
| HIERARCH ESO ISS PBL14 END | 128.45 |
| HIERARCH ESO ISS PBLA14 START | 46.877 |
| HIERARCH ESO ISS PBLA14 END | 47.928 |
| HIERARCH ESO ISS PBL23 START | 46.579 |
| HIERARCH ESO ISS PBL23 END | 46.602 |
| HIERARCH ESO ISS PBLA23 START | 27.8 |
| HIERARCH ESO ISS PBLA23 END | 28.7 |
| HIERARCH ESO ISS PBL24 START | 85.614 |
| HIERARCH ESO ISS PBL24 END | 86.134 |
| HIERARCH ESO ISS PBLA24 START | 67.386 |
| HIERARCH ESO ISS PBLA24 END | 68.425 |
| HIERARCH ESO ISS PBL34 START | 57.906 |
| HIERARCH ESO ISS PBL34 END | 58.414 |
| HIERARCH ESO ISS PBLA34 START | 98.227 |
| HIERARCH ESO ISS PBLA34 END | 99.05 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008953 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006234 |
| HIERARCH ESO ISS AMBI TEMP | 16.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |