Exposure
- ID
- GRAVI.2024-02-28T01:41:40.399_1
- Header ID
- GRAVI.2024-02-28T01:41:40.399
- Date updated
- 2024-02-28 01:55:29 UTC+0000
- Release date
- 2025-02-28 01:55:29 UTC+0000
- UTC Start
- 2024-02-28 01:41:40.399
- UTC End
- 2024-02-28 01:47:40.399
- MJD Start
- 60368.07060647
- MJD End
- 60368.0747731367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0044425
- Ambient temperature (°C)
- 15.77
- Seeing (arcsec)
- 0.955
Observation
- ID
- 58533
- 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
- 43332
- Name
- TW_Hya
- RA
- 165.468208
- DEC
- -34.7048
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5590 | 56.5580 | 357.8000 | 358.7000 |
| U1-U3 | 102.0510 | 102.0600 | 2.1000 | 3.2000 |
| U1-U4 | 118.3520 | 118.8400 | 22.9230 | 24.3650 |
| U2-U3 | 45.8560 | 45.8830 | 7.5000 | 8.6000 |
| U2-U4 | 71.3150 | 72.1460 | 42.6060 | 44.2110 |
| U3-U4 | 42.8700 | 43.8760 | 80.5730 | 81.6840 |
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 | 60368.07060647 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | V TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468208 |
| DEC | -34.7048 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 357.8 |
| HIERARCH ESO ISS PBLA12 END | 358.7 |
| HIERARCH ESO ISS PBL13 START | 102.051 |
| HIERARCH ESO ISS PBL13 END | 102.06 |
| HIERARCH ESO ISS PBLA13 START | 2.1 |
| HIERARCH ESO ISS PBLA13 END | 3.2 |
| HIERARCH ESO ISS PBL14 START | 118.352 |
| HIERARCH ESO ISS PBL14 END | 118.84 |
| HIERARCH ESO ISS PBLA14 START | 22.923 |
| HIERARCH ESO ISS PBLA14 END | 24.365 |
| HIERARCH ESO ISS PBL23 START | 45.856 |
| HIERARCH ESO ISS PBL23 END | 45.883 |
| HIERARCH ESO ISS PBLA23 START | 7.5 |
| HIERARCH ESO ISS PBLA23 END | 8.6 |
| HIERARCH ESO ISS PBL24 START | 71.315 |
| HIERARCH ESO ISS PBL24 END | 72.146 |
| HIERARCH ESO ISS PBLA24 START | 42.606 |
| HIERARCH ESO ISS PBLA24 END | 44.211 |
| HIERARCH ESO ISS PBL34 START | 42.87 |
| HIERARCH ESO ISS PBL34 END | 43.876 |
| HIERARCH ESO ISS PBLA34 START | 80.573 |
| HIERARCH ESO ISS PBLA34 END | 81.684 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004171 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004714 |
| HIERARCH ESO ISS AMBI TEMP | 15.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 1.02 |