Exposure
- ID
- GRAVI.2024-02-28T06:09:53.080_1
- Header ID
- GRAVI.2024-02-28T06:09:53.080
- Date updated
- 2024-02-28 06:25:29 UTC+0000
- Release date
- 2025-02-28 06:25:29 UTC+0000
- UTC Start
- 2024-02-28 06:09:53.080
- UTC End
- 2024-02-28 06:15:53.080
- MJD Start
- 60368.25686435
- MJD End
- 60368.2610310167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0076205
- Ambient temperature (°C)
- 15.82
- Seeing (arcsec)
- 0.495
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 | 54.6970 | 54.5180 | 32.2000 | 32.8000 |
| U1-U3 | 98.8160 | 98.4210 | 38.8000 | 39.4000 |
| U1-U4 | 125.6050 | 124.8560 | 67.8680 | 68.6320 |
| U2-U3 | 44.9100 | 44.6950 | 46.8000 | 47.4000 |
| U2-U4 | 87.1800 | 86.7070 | 89.3050 | 90.2050 |
| U3-U4 | 62.0390 | 61.8820 | 118.6140 | 119.5960 |
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 | 60368.25686435 |
| 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 | 54.697 |
| HIERARCH ESO ISS PBL12 END | 54.518 |
| HIERARCH ESO ISS PBLA12 START | 32.2 |
| HIERARCH ESO ISS PBLA12 END | 32.8 |
| HIERARCH ESO ISS PBL13 START | 98.816 |
| HIERARCH ESO ISS PBL13 END | 98.421 |
| HIERARCH ESO ISS PBLA13 START | 38.8 |
| HIERARCH ESO ISS PBLA13 END | 39.4 |
| HIERARCH ESO ISS PBL14 START | 125.605 |
| HIERARCH ESO ISS PBL14 END | 124.856 |
| HIERARCH ESO ISS PBLA14 START | 67.868 |
| HIERARCH ESO ISS PBLA14 END | 68.632 |
| HIERARCH ESO ISS PBL23 START | 44.91 |
| HIERARCH ESO ISS PBL23 END | 44.695 |
| HIERARCH ESO ISS PBLA23 START | 46.8 |
| HIERARCH ESO ISS PBLA23 END | 47.4 |
| HIERARCH ESO ISS PBL24 START | 87.18 |
| HIERARCH ESO ISS PBL24 END | 86.707 |
| HIERARCH ESO ISS PBLA24 START | 89.305 |
| HIERARCH ESO ISS PBLA24 END | 90.205 |
| HIERARCH ESO ISS PBL34 START | 62.039 |
| HIERARCH ESO ISS PBL34 END | 61.882 |
| HIERARCH ESO ISS PBLA34 START | 118.614 |
| HIERARCH ESO ISS PBLA34 END | 119.596 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008145 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007096 |
| HIERARCH ESO ISS AMBI TEMP | 15.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |