Exposure
- ID
- GRAVI.2024-02-25T02:41:44.483_1
- Header ID
- GRAVI.2024-02-25T02:41:44.483
- Date updated
- 2024-02-25 03:00:28 UTC+0000
- Release date
- 2025-02-25 03:00:27 UTC+0000
- UTC Start
- 2024-02-25 02:41:44.483
- UTC End
- 2024-02-25 02:47:44.483
- MJD Start
- 60365.11232041
- MJD End
- 60365.1164870767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006476
- Ambient temperature (°C)
- 16.27
- Seeing (arcsec)
- 0.605
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 | 56.5590 | 56.5600 | 4.8000 | 5.7000 |
| U1-U3 | 102.1950 | 102.2220 | 9.8000 | 10.8000 |
| U1-U4 | 122.4010 | 122.9530 | 33.4450 | 34.7270 |
| U2-U3 | 46.1290 | 46.1730 | 16.1000 | 17.1000 |
| U2-U4 | 77.6830 | 78.4850 | 53.9020 | 55.2210 |
| U3-U4 | 50.0280 | 50.8610 | 88.3550 | 89.2750 |
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 | 60365.11232041 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.56 |
| HIERARCH ESO ISS PBLA12 START | 4.8 |
| HIERARCH ESO ISS PBLA12 END | 5.7 |
| HIERARCH ESO ISS PBL13 START | 102.195 |
| HIERARCH ESO ISS PBL13 END | 102.222 |
| HIERARCH ESO ISS PBLA13 START | 9.8 |
| HIERARCH ESO ISS PBLA13 END | 10.8 |
| HIERARCH ESO ISS PBL14 START | 122.401 |
| HIERARCH ESO ISS PBL14 END | 122.953 |
| HIERARCH ESO ISS PBLA14 START | 33.445 |
| HIERARCH ESO ISS PBLA14 END | 34.727 |
| HIERARCH ESO ISS PBL23 START | 46.129 |
| HIERARCH ESO ISS PBL23 END | 46.173 |
| HIERARCH ESO ISS PBLA23 START | 16.1 |
| HIERARCH ESO ISS PBLA23 END | 17.1 |
| HIERARCH ESO ISS PBL24 START | 77.683 |
| HIERARCH ESO ISS PBL24 END | 78.485 |
| HIERARCH ESO ISS PBLA24 START | 53.902 |
| HIERARCH ESO ISS PBLA24 END | 55.221 |
| HIERARCH ESO ISS PBL34 START | 50.028 |
| HIERARCH ESO ISS PBL34 END | 50.861 |
| HIERARCH ESO ISS PBLA34 START | 88.355 |
| HIERARCH ESO ISS PBLA34 END | 89.275 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007072 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00588 |
| HIERARCH ESO ISS AMBI TEMP | 16.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |