Exposure
- ID
- GRAVI.2024-02-25T01:47:44.347_1
- Header ID
- GRAVI.2024-02-25T01:47:44.347
- Date updated
- 2024-02-25 02:00:32 UTC+0000
- Release date
- 2025-02-25 02:00:31 UTC+0000
- UTC Start
- 2024-02-25 01:47:44.347
- UTC End
- 2024-02-25 01:53:44.347
- MJD Start
- 60365.07481883
- MJD End
- 60365.0789854967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00735
- Ambient temperature (°C)
- 16.52
- Seeing (arcsec)
- 0.56
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 | 56.5590 | 357.0000 | 357.9000 |
| U1-U3 | 102.0460 | 102.0520 | 1.2000 | 2.2000 |
| U1-U4 | 117.9230 | 118.3920 | 21.5880 | 23.0430 |
| U2-U3 | 45.8350 | 45.8580 | 6.5000 | 7.6000 |
| U2-U4 | 70.5630 | 71.3840 | 41.1010 | 42.7400 |
| U3-U4 | 41.9350 | 42.9550 | 79.5250 | 80.6660 |
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 | 60365.07481883 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 357.0 |
| HIERARCH ESO ISS PBLA12 END | 357.9 |
| HIERARCH ESO ISS PBL13 START | 102.046 |
| HIERARCH ESO ISS PBL13 END | 102.052 |
| HIERARCH ESO ISS PBLA13 START | 1.2 |
| HIERARCH ESO ISS PBLA13 END | 2.2 |
| HIERARCH ESO ISS PBL14 START | 117.923 |
| HIERARCH ESO ISS PBL14 END | 118.392 |
| HIERARCH ESO ISS PBLA14 START | 21.588 |
| HIERARCH ESO ISS PBLA14 END | 23.043 |
| HIERARCH ESO ISS PBL23 START | 45.835 |
| HIERARCH ESO ISS PBL23 END | 45.858 |
| HIERARCH ESO ISS PBLA23 START | 6.5 |
| HIERARCH ESO ISS PBLA23 END | 7.6 |
| HIERARCH ESO ISS PBL24 START | 70.563 |
| HIERARCH ESO ISS PBL24 END | 71.384 |
| HIERARCH ESO ISS PBLA24 START | 41.101 |
| HIERARCH ESO ISS PBLA24 END | 42.74 |
| HIERARCH ESO ISS PBL34 START | 41.935 |
| HIERARCH ESO ISS PBL34 END | 42.955 |
| HIERARCH ESO ISS PBLA34 START | 79.525 |
| HIERARCH ESO ISS PBLA34 END | 80.666 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007504 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007196 |
| HIERARCH ESO ISS AMBI TEMP | 16.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |