Exposure
- ID
- GRAVI.2024-02-28T05:49:29.029_1
- Header ID
- GRAVI.2024-02-28T05:49:29.029
- Date updated
- 2024-02-28 06:05:29 UTC+0000
- Release date
- 2025-02-28 06:05:28 UTC+0000
- UTC Start
- 2024-02-28 05:49:29.029
- UTC End
- 2024-02-28 05:55:29.029
- MJD Start
- 60368.24269709
- MJD End
- 60368.2468637567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0064355
- Ambient temperature (°C)
- 15.87
- Seeing (arcsec)
- 0.515
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 | 55.2030 | 55.0590 | 30.2000 | 30.8000 |
| U1-U3 | 99.9240 | 99.6090 | 36.7000 | 37.3000 |
| U1-U4 | 127.6240 | 127.0660 | 65.3490 | 66.1310 |
| U2-U3 | 45.5060 | 45.3380 | 44.6000 | 45.3000 |
| U2-U4 | 88.4030 | 88.0760 | 86.4220 | 87.3050 |
| U3-U4 | 62.3850 | 62.3060 | 115.5380 | 116.4680 |
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 | 60368.24269709 |
| 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 | 55.203 |
| HIERARCH ESO ISS PBL12 END | 55.059 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 30.8 |
| HIERARCH ESO ISS PBL13 START | 99.924 |
| HIERARCH ESO ISS PBL13 END | 99.609 |
| HIERARCH ESO ISS PBLA13 START | 36.7 |
| HIERARCH ESO ISS PBLA13 END | 37.3 |
| HIERARCH ESO ISS PBL14 START | 127.624 |
| HIERARCH ESO ISS PBL14 END | 127.066 |
| HIERARCH ESO ISS PBLA14 START | 65.349 |
| HIERARCH ESO ISS PBLA14 END | 66.131 |
| HIERARCH ESO ISS PBL23 START | 45.506 |
| HIERARCH ESO ISS PBL23 END | 45.338 |
| HIERARCH ESO ISS PBLA23 START | 44.6 |
| HIERARCH ESO ISS PBLA23 END | 45.3 |
| HIERARCH ESO ISS PBL24 START | 88.403 |
| HIERARCH ESO ISS PBL24 END | 88.076 |
| HIERARCH ESO ISS PBLA24 START | 86.422 |
| HIERARCH ESO ISS PBLA24 END | 87.305 |
| HIERARCH ESO ISS PBL34 START | 62.385 |
| HIERARCH ESO ISS PBL34 END | 62.306 |
| HIERARCH ESO ISS PBLA34 START | 115.538 |
| HIERARCH ESO ISS PBLA34 END | 116.468 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007455 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005416 |
| HIERARCH ESO ISS AMBI TEMP | 15.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |