Exposure
- ID
- GRAVI.2024-02-25T03:01:47.535_1
- Header ID
- GRAVI.2024-02-25T03:01:47.535
- Date updated
- 2024-02-25 03:15:31 UTC+0000
- Release date
- 2025-02-25 03:15:30 UTC+0000
- UTC Start
- 2024-02-25 03:01:47.535
- UTC End
- 2024-02-25 03:07:47.535
- MJD Start
- 60365.12624462
- MJD End
- 60365.1304112867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0060445
- Ambient temperature (°C)
- 16.24
- Seeing (arcsec)
- 0.66
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 | 56.5570 | 7.6000 | 8.5000 |
| U1-U3 | 102.2840 | 102.3120 | 13.0000 | 13.9000 |
| U1-U4 | 124.1470 | 124.6810 | 37.4540 | 38.6690 |
| U2-U3 | 46.2690 | 46.3130 | 19.5000 | 20.5000 |
| U2-U4 | 80.1840 | 80.9330 | 57.9980 | 59.2240 |
| U3-U4 | 52.5870 | 53.3350 | 91.2340 | 92.1110 |
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 | 60365.12624462 |
| 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 | 56.557 |
| HIERARCH ESO ISS PBLA12 START | 7.6 |
| HIERARCH ESO ISS PBLA12 END | 8.5 |
| HIERARCH ESO ISS PBL13 START | 102.284 |
| HIERARCH ESO ISS PBL13 END | 102.312 |
| HIERARCH ESO ISS PBLA13 START | 13.0 |
| HIERARCH ESO ISS PBLA13 END | 13.9 |
| HIERARCH ESO ISS PBL14 START | 124.147 |
| HIERARCH ESO ISS PBL14 END | 124.681 |
| HIERARCH ESO ISS PBLA14 START | 37.454 |
| HIERARCH ESO ISS PBLA14 END | 38.669 |
| HIERARCH ESO ISS PBL23 START | 46.269 |
| HIERARCH ESO ISS PBL23 END | 46.313 |
| HIERARCH ESO ISS PBLA23 START | 19.5 |
| HIERARCH ESO ISS PBLA23 END | 20.5 |
| HIERARCH ESO ISS PBL24 START | 80.184 |
| HIERARCH ESO ISS PBL24 END | 80.933 |
| HIERARCH ESO ISS PBLA24 START | 57.998 |
| HIERARCH ESO ISS PBLA24 END | 59.224 |
| HIERARCH ESO ISS PBL34 START | 52.587 |
| HIERARCH ESO ISS PBL34 END | 53.335 |
| HIERARCH ESO ISS PBLA34 START | 91.234 |
| HIERARCH ESO ISS PBLA34 END | 92.111 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006654 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005435 |
| HIERARCH ESO ISS AMBI TEMP | 16.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |