Exposure
- ID
- GRAVI.2024-02-25T02:00:59.380_1
- Header ID
- GRAVI.2024-02-25T02:00:59.380
- Date updated
- 2024-02-25 02:20:35 UTC+0000
- Release date
- 2025-02-25 02:20:35 UTC+0000
- UTC Start
- 2024-02-25 02:00:59.380
- UTC End
- 2024-02-25 02:06:59.380
- MJD Start
- 60365.0840206
- MJD End
- 60365.0881872667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007644
- Ambient temperature (°C)
- 16.36
- Seeing (arcsec)
- 0.53
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 | 56.5580 | 56.5580 | 358.9000 | 359.8000 |
| U1-U3 | 102.0630 | 102.0760 | 3.4000 | 4.4000 |
| U1-U4 | 118.9360 | 119.4410 | 24.6400 | 26.0520 |
| U2-U3 | 45.8890 | 45.9190 | 8.9000 | 10.0000 |
| U2-U4 | 72.3070 | 73.1400 | 44.5150 | 46.0630 |
| U3-U4 | 44.0680 | 45.0450 | 81.8940 | 82.9590 |
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 | 60365.0840206 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 358.9 |
| HIERARCH ESO ISS PBLA12 END | 359.8 |
| HIERARCH ESO ISS PBL13 START | 102.063 |
| HIERARCH ESO ISS PBL13 END | 102.076 |
| HIERARCH ESO ISS PBLA13 START | 3.4 |
| HIERARCH ESO ISS PBLA13 END | 4.4 |
| HIERARCH ESO ISS PBL14 START | 118.936 |
| HIERARCH ESO ISS PBL14 END | 119.441 |
| HIERARCH ESO ISS PBLA14 START | 24.64 |
| HIERARCH ESO ISS PBLA14 END | 26.052 |
| HIERARCH ESO ISS PBL23 START | 45.889 |
| HIERARCH ESO ISS PBL23 END | 45.919 |
| HIERARCH ESO ISS PBLA23 START | 8.9 |
| HIERARCH ESO ISS PBLA23 END | 10.0 |
| HIERARCH ESO ISS PBL24 START | 72.307 |
| HIERARCH ESO ISS PBL24 END | 73.14 |
| HIERARCH ESO ISS PBLA24 START | 44.515 |
| HIERARCH ESO ISS PBLA24 END | 46.063 |
| HIERARCH ESO ISS PBL34 START | 44.068 |
| HIERARCH ESO ISS PBL34 END | 45.045 |
| HIERARCH ESO ISS PBLA34 START | 81.894 |
| HIERARCH ESO ISS PBLA34 END | 82.959 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007313 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007975 |
| HIERARCH ESO ISS AMBI TEMP | 16.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |