Exposure
- ID
- GRAVI.2024-02-25T02:07:56.398_1
- Header ID
- GRAVI.2024-02-25T02:07:56.398
- Date updated
- 2024-02-25 02:25:34 UTC+0000
- Release date
- 2025-02-25 02:25:34 UTC+0000
- UTC Start
- 2024-02-25 02:07:56.398
- UTC End
- 2024-02-25 02:13:56.398
- MJD Start
- 60365.0888472
- MJD End
- 60365.0930138667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007975
- Ambient temperature (°C)
- 16.59
- Seeing (arcsec)
- 0.49
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 | 359.9000 | 0.8000 |
| U1-U3 | 102.0770 | 102.0940 | 4.5000 | 5.5000 |
| U1-U4 | 119.4980 | 120.0190 | 26.2060 | 27.5960 |
| U2-U3 | 45.9230 | 45.9560 | 10.1000 | 11.2000 |
| U2-U4 | 73.2320 | 74.0670 | 46.2320 | 47.7370 |
| U3-U4 | 45.1520 | 46.1070 | 83.0750 | 84.1080 |
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 | 60365.0888472 |
| 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 | 359.9 |
| HIERARCH ESO ISS PBLA12 END | 0.8 |
| HIERARCH ESO ISS PBL13 START | 102.077 |
| HIERARCH ESO ISS PBL13 END | 102.094 |
| HIERARCH ESO ISS PBLA13 START | 4.5 |
| HIERARCH ESO ISS PBLA13 END | 5.5 |
| HIERARCH ESO ISS PBL14 START | 119.498 |
| HIERARCH ESO ISS PBL14 END | 120.019 |
| HIERARCH ESO ISS PBLA14 START | 26.206 |
| HIERARCH ESO ISS PBLA14 END | 27.596 |
| HIERARCH ESO ISS PBL23 START | 45.923 |
| HIERARCH ESO ISS PBL23 END | 45.956 |
| HIERARCH ESO ISS PBLA23 START | 10.1 |
| HIERARCH ESO ISS PBLA23 END | 11.2 |
| HIERARCH ESO ISS PBL24 START | 73.232 |
| HIERARCH ESO ISS PBL24 END | 74.067 |
| HIERARCH ESO ISS PBLA24 START | 46.232 |
| HIERARCH ESO ISS PBLA24 END | 47.737 |
| HIERARCH ESO ISS PBL34 START | 45.152 |
| HIERARCH ESO ISS PBL34 END | 46.107 |
| HIERARCH ESO ISS PBLA34 START | 83.075 |
| HIERARCH ESO ISS PBLA34 END | 84.108 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007975 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007975 |
| HIERARCH ESO ISS AMBI TEMP | 16.59 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |