Exposure
- ID
- GRAVI.2024-02-28T05:42:50.012_1
- Header ID
- GRAVI.2024-02-28T05:42:50.012
- Date updated
- 2024-02-28 06:00:37 UTC+0000
- Release date
- 2025-02-28 06:00:37 UTC+0000
- UTC Start
- 2024-02-28 05:42:50.012
- UTC End
- 2024-02-28 05:48:50.012
- MJD Start
- 60368.23807884
- MJD End
- 60368.2422455067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0073435
- Ambient temperature (°C)
- 15.88
- 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 | 55.3460 | 55.2120 | 29.5000 | 30.2000 |
| U1-U3 | 100.2340 | 99.9430 | 36.0000 | 36.6000 |
| U1-U4 | 128.1530 | 127.6570 | 64.5070 | 65.3000 |
| U2-U3 | 45.6710 | 45.5170 | 43.8000 | 44.5000 |
| U2-U4 | 88.7000 | 88.4210 | 85.4820 | 86.3660 |
| U3-U4 | 62.4420 | 62.3890 | 114.5610 | 115.4810 |
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 | 60368.23807884 |
| 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 | 55.346 |
| HIERARCH ESO ISS PBL12 END | 55.212 |
| HIERARCH ESO ISS PBLA12 START | 29.5 |
| HIERARCH ESO ISS PBLA12 END | 30.2 |
| HIERARCH ESO ISS PBL13 START | 100.234 |
| HIERARCH ESO ISS PBL13 END | 99.943 |
| HIERARCH ESO ISS PBLA13 START | 36.0 |
| HIERARCH ESO ISS PBLA13 END | 36.6 |
| HIERARCH ESO ISS PBL14 START | 128.153 |
| HIERARCH ESO ISS PBL14 END | 127.657 |
| HIERARCH ESO ISS PBLA14 START | 64.507 |
| HIERARCH ESO ISS PBLA14 END | 65.3 |
| HIERARCH ESO ISS PBL23 START | 45.671 |
| HIERARCH ESO ISS PBL23 END | 45.517 |
| HIERARCH ESO ISS PBLA23 START | 43.8 |
| HIERARCH ESO ISS PBLA23 END | 44.5 |
| HIERARCH ESO ISS PBL24 START | 88.7 |
| HIERARCH ESO ISS PBL24 END | 88.421 |
| HIERARCH ESO ISS PBLA24 START | 85.482 |
| HIERARCH ESO ISS PBLA24 END | 86.366 |
| HIERARCH ESO ISS PBL34 START | 62.442 |
| HIERARCH ESO ISS PBL34 END | 62.389 |
| HIERARCH ESO ISS PBLA34 START | 114.561 |
| HIERARCH ESO ISS PBLA34 END | 115.481 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00743 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007257 |
| HIERARCH ESO ISS AMBI TEMP | 15.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |