Exposure
- ID
- GRAVI.2024-02-28T05:02:40.909_1
- Header ID
- GRAVI.2024-02-28T05:02:40.909
- Date updated
- 2024-02-28 05:15:33 UTC+0000
- Release date
- 2025-02-28 05:15:33 UTC+0000
- UTC Start
- 2024-02-28 05:02:40.909
- UTC End
- 2024-02-28 05:08:40.909
- MJD Start
- 60368.21019571
- MJD End
- 60368.2143623767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0097855
- Ambient temperature (°C)
- 16.07
- Seeing (arcsec)
- 0.405
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 | 55.9950 | 55.9150 | 25.0000 | 25.8000 |
| U1-U3 | 101.6000 | 101.4380 | 31.4000 | 32.1000 |
| U1-U4 | 130.0410 | 129.8870 | 59.2030 | 60.0660 |
| U2-U3 | 46.3650 | 46.2870 | 39.1000 | 39.9000 |
| U2-U4 | 89.4190 | 89.4270 | 79.7900 | 80.6930 |
| U3-U4 | 62.1410 | 62.2640 | 108.9200 | 109.7830 |
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 | 60368.21019571 |
| 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 | 55.995 |
| HIERARCH ESO ISS PBL12 END | 55.915 |
| HIERARCH ESO ISS PBLA12 START | 25.0 |
| HIERARCH ESO ISS PBLA12 END | 25.8 |
| HIERARCH ESO ISS PBL13 START | 101.6 |
| HIERARCH ESO ISS PBL13 END | 101.438 |
| HIERARCH ESO ISS PBLA13 START | 31.4 |
| HIERARCH ESO ISS PBLA13 END | 32.1 |
| HIERARCH ESO ISS PBL14 START | 130.041 |
| HIERARCH ESO ISS PBL14 END | 129.887 |
| HIERARCH ESO ISS PBLA14 START | 59.203 |
| HIERARCH ESO ISS PBLA14 END | 60.066 |
| HIERARCH ESO ISS PBL23 START | 46.365 |
| HIERARCH ESO ISS PBL23 END | 46.287 |
| HIERARCH ESO ISS PBLA23 START | 39.1 |
| HIERARCH ESO ISS PBLA23 END | 39.9 |
| HIERARCH ESO ISS PBL24 START | 89.419 |
| HIERARCH ESO ISS PBL24 END | 89.427 |
| HIERARCH ESO ISS PBLA24 START | 79.79 |
| HIERARCH ESO ISS PBLA24 END | 80.693 |
| HIERARCH ESO ISS PBL34 START | 62.141 |
| HIERARCH ESO ISS PBL34 END | 62.264 |
| HIERARCH ESO ISS PBLA34 START | 108.92 |
| HIERARCH ESO ISS PBLA34 END | 109.783 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009521 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.01005 |
| HIERARCH ESO ISS AMBI TEMP | 16.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |