Exposure
- ID
- GRAVI.2024-02-25T01:54:20.363_1
- Header ID
- GRAVI.2024-02-25T01:54:20.363
- Date updated
- 2024-02-25 02:10:31 UTC+0000
- Release date
- 2025-02-25 02:10:31 UTC+0000
- UTC Start
- 2024-02-25 01:54:20.363
- UTC End
- 2024-02-25 02:00:20.363
- MJD Start
- 60365.07940235
- MJD End
- 60365.0835690167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0072545
- Ambient temperature (°C)
- 16.41
- Seeing (arcsec)
- 0.575
Observation
- ID
- 58517
- 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
- 43318
- Name
- TW_Hya
- RA
- 165.468305
- DEC
- -34.70476
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5590 | 56.5580 | 357.9000 | 358.8000 |
| U1-U3 | 102.0520 | 102.0620 | 2.3000 | 3.3000 |
| U1-U4 | 118.4200 | 118.9070 | 23.1270 | 24.5570 |
| U2-U3 | 45.8600 | 45.8870 | 7.7000 | 8.8000 |
| U2-U4 | 71.4320 | 72.2580 | 42.8340 | 44.4230 |
| U3-U4 | 43.0130 | 44.0100 | 80.7320 | 81.8300 |
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 | 60365.07940235 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | V TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468305 |
| DEC | -34.70476 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 357.9 |
| HIERARCH ESO ISS PBLA12 END | 358.8 |
| HIERARCH ESO ISS PBL13 START | 102.052 |
| HIERARCH ESO ISS PBL13 END | 102.062 |
| HIERARCH ESO ISS PBLA13 START | 2.3 |
| HIERARCH ESO ISS PBLA13 END | 3.3 |
| HIERARCH ESO ISS PBL14 START | 118.42 |
| HIERARCH ESO ISS PBL14 END | 118.907 |
| HIERARCH ESO ISS PBLA14 START | 23.127 |
| HIERARCH ESO ISS PBLA14 END | 24.557 |
| HIERARCH ESO ISS PBL23 START | 45.86 |
| HIERARCH ESO ISS PBL23 END | 45.887 |
| HIERARCH ESO ISS PBLA23 START | 7.7 |
| HIERARCH ESO ISS PBLA23 END | 8.8 |
| HIERARCH ESO ISS PBL24 START | 71.432 |
| HIERARCH ESO ISS PBL24 END | 72.258 |
| HIERARCH ESO ISS PBLA24 START | 42.834 |
| HIERARCH ESO ISS PBLA24 END | 44.423 |
| HIERARCH ESO ISS PBL34 START | 43.013 |
| HIERARCH ESO ISS PBL34 END | 44.01 |
| HIERARCH ESO ISS PBLA34 START | 80.732 |
| HIERARCH ESO ISS PBLA34 END | 81.83 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007196 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007313 |
| HIERARCH ESO ISS AMBI TEMP | 16.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |