Exposure
- ID
- GRAVI.2024-02-27T02:46:15.976_1
- Header ID
- GRAVI.2024-02-27T02:46:15.976
- Date updated
- 2024-02-27 03:08:15 UTC+0000
- Release date
- 2025-02-27 03:08:15 UTC+0000
- UTC Start
- 2024-02-27 02:46:15.976
- UTC End
- 2024-02-27 02:52:15.976
- MJD Start
- 60367.11546269
- MJD End
- 60367.1196293567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039315
- Ambient temperature (°C)
- 15.15
- Seeing (arcsec)
- 0.975
Observation
- ID
- 58522
- 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
- 43323
- Name
- TW_Hya
- RA
- 165.468356
- DEC
- -34.70483
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5590 | 56.5590 | 6.5000 | 7.4000 |
| U1-U3 | 102.2500 | 102.2780 | 11.8000 | 12.7000 |
| U1-U4 | 123.4850 | 124.0300 | 35.9480 | 37.1880 |
| U2-U3 | 46.2160 | 46.2600 | 18.2000 | 19.2000 |
| U2-U4 | 79.2480 | 80.0200 | 56.4690 | 57.7290 |
| U3-U4 | 51.6420 | 52.4220 | 90.1510 | 91.0430 |
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 | 60367.11546269 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | V TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468356 |
| DEC | -34.70483 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 6.5 |
| HIERARCH ESO ISS PBLA12 END | 7.4 |
| HIERARCH ESO ISS PBL13 START | 102.25 |
| HIERARCH ESO ISS PBL13 END | 102.278 |
| HIERARCH ESO ISS PBLA13 START | 11.8 |
| HIERARCH ESO ISS PBLA13 END | 12.7 |
| HIERARCH ESO ISS PBL14 START | 123.485 |
| HIERARCH ESO ISS PBL14 END | 124.03 |
| HIERARCH ESO ISS PBLA14 START | 35.948 |
| HIERARCH ESO ISS PBLA14 END | 37.188 |
| HIERARCH ESO ISS PBL23 START | 46.216 |
| HIERARCH ESO ISS PBL23 END | 46.26 |
| HIERARCH ESO ISS PBLA23 START | 18.2 |
| HIERARCH ESO ISS PBLA23 END | 19.2 |
| HIERARCH ESO ISS PBL24 START | 79.248 |
| HIERARCH ESO ISS PBL24 END | 80.02 |
| HIERARCH ESO ISS PBLA24 START | 56.469 |
| HIERARCH ESO ISS PBLA24 END | 57.729 |
| HIERARCH ESO ISS PBL34 START | 51.642 |
| HIERARCH ESO ISS PBL34 END | 52.422 |
| HIERARCH ESO ISS PBLA34 START | 90.151 |
| HIERARCH ESO ISS PBLA34 END | 91.043 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004082 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003781 |
| HIERARCH ESO ISS AMBI TEMP | 15.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.97 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |