Exposure
- ID
- GRAVI.2024-02-28T06:16:32.097_1
- Header ID
- GRAVI.2024-02-28T06:16:32.097
- Date updated
- 2024-02-28 06:30:36 UTC+0000
- Release date
- 2025-02-28 06:30:36 UTC+0000
- UTC Start
- 2024-02-28 06:16:32.097
- UTC End
- 2024-02-28 06:22:32.097
- MJD Start
- 60368.2614826
- MJD End
- 60368.2656492667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0072285
- Ambient temperature (°C)
- 15.8
- Seeing (arcsec)
- 0.51
Observation
- ID
- 58538
- 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
- 43336
- Name
- TW_Hya
- RA
- 165.468241
- DEC
- -34.70478
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.5080 | 54.3180 | 32.9000 | 33.5000 |
| U1-U3 | 98.4000 | 97.9800 | 39.4000 | 40.0000 |
| U1-U4 | 124.8150 | 124.0070 | 68.6720 | 69.4280 |
| U2-U3 | 44.6830 | 44.4540 | 47.4000 | 48.1000 |
| U2-U4 | 86.6810 | 86.1640 | 90.2530 | 91.1540 |
| U3-U4 | 61.8730 | 61.6930 | 119.6490 | 120.6430 |
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 | 60368.2614826 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | V TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468241 |
| DEC | -34.70478 |
| 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 | 54.508 |
| HIERARCH ESO ISS PBL12 END | 54.318 |
| HIERARCH ESO ISS PBLA12 START | 32.9 |
| HIERARCH ESO ISS PBLA12 END | 33.5 |
| HIERARCH ESO ISS PBL13 START | 98.4 |
| HIERARCH ESO ISS PBL13 END | 97.98 |
| HIERARCH ESO ISS PBLA13 START | 39.4 |
| HIERARCH ESO ISS PBLA13 END | 40.0 |
| HIERARCH ESO ISS PBL14 START | 124.815 |
| HIERARCH ESO ISS PBL14 END | 124.007 |
| HIERARCH ESO ISS PBLA14 START | 68.672 |
| HIERARCH ESO ISS PBLA14 END | 69.428 |
| HIERARCH ESO ISS PBL23 START | 44.683 |
| HIERARCH ESO ISS PBL23 END | 44.454 |
| HIERARCH ESO ISS PBLA23 START | 47.4 |
| HIERARCH ESO ISS PBLA23 END | 48.1 |
| HIERARCH ESO ISS PBL24 START | 86.681 |
| HIERARCH ESO ISS PBL24 END | 86.164 |
| HIERARCH ESO ISS PBLA24 START | 90.253 |
| HIERARCH ESO ISS PBLA24 END | 91.154 |
| HIERARCH ESO ISS PBL34 START | 61.873 |
| HIERARCH ESO ISS PBL34 END | 61.693 |
| HIERARCH ESO ISS PBLA34 START | 119.649 |
| HIERARCH ESO ISS PBLA34 END | 120.643 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007096 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007361 |
| HIERARCH ESO ISS AMBI TEMP | 15.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |