Exposure
- ID
- GRAVI.2024-02-25T02:21:20.432_1
- Header ID
- GRAVI.2024-02-25T02:21:20.432
- Date updated
- 2024-02-25 02:35:29 UTC+0000
- Release date
- 2025-02-25 02:35:28 UTC+0000
- UTC Start
- 2024-02-25 02:21:20.432
- UTC End
- 2024-02-25 02:27:20.432
- MJD Start
- 60365.09815315
- MJD End
- 60365.1023198167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008084
- Ambient temperature (°C)
- 16.91
- Seeing (arcsec)
- 0.585
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 | 56.5580 | 56.5590 | 1.8000 | 2.7000 |
| U1-U3 | 102.1160 | 102.1380 | 6.6000 | 7.6000 |
| U1-U4 | 120.6250 | 121.1660 | 29.1490 | 30.4950 |
| U2-U3 | 45.9980 | 46.0360 | 12.5000 | 13.6000 |
| U2-U4 | 75.0150 | 75.8460 | 49.3990 | 50.8250 |
| U3-U4 | 47.1660 | 48.0740 | 85.2480 | 86.2280 |
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 | 60365.09815315 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 1.8 |
| HIERARCH ESO ISS PBLA12 END | 2.7 |
| HIERARCH ESO ISS PBL13 START | 102.116 |
| HIERARCH ESO ISS PBL13 END | 102.138 |
| HIERARCH ESO ISS PBLA13 START | 6.6 |
| HIERARCH ESO ISS PBLA13 END | 7.6 |
| HIERARCH ESO ISS PBL14 START | 120.625 |
| HIERARCH ESO ISS PBL14 END | 121.166 |
| HIERARCH ESO ISS PBLA14 START | 29.149 |
| HIERARCH ESO ISS PBLA14 END | 30.495 |
| HIERARCH ESO ISS PBL23 START | 45.998 |
| HIERARCH ESO ISS PBL23 END | 46.036 |
| HIERARCH ESO ISS PBLA23 START | 12.5 |
| HIERARCH ESO ISS PBLA23 END | 13.6 |
| HIERARCH ESO ISS PBL24 START | 75.015 |
| HIERARCH ESO ISS PBL24 END | 75.846 |
| HIERARCH ESO ISS PBLA24 START | 49.399 |
| HIERARCH ESO ISS PBLA24 END | 50.825 |
| HIERARCH ESO ISS PBL34 START | 47.166 |
| HIERARCH ESO ISS PBL34 END | 48.074 |
| HIERARCH ESO ISS PBLA34 START | 85.248 |
| HIERARCH ESO ISS PBLA34 END | 86.228 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00733 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008838 |
| HIERARCH ESO ISS AMBI TEMP | 16.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |