Exposure
- ID
- GRAVI.2024-04-28T01:18:17.673_2
- Header ID
- GRAVI.2024-04-28T01:18:17.673
- Date updated
- 2024-04-28 01:30:39 UTC+0000
- Release date
- 2025-04-28 01:30:39 UTC+0000
- UTC Start
- 2024-04-28 01:18:17.673
- UTC End
- 2024-04-28 01:22:17.673
- MJD Start
- 60428.05437121
- MJD End
- 60428.0571489878
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037435
- Ambient temperature (°C)
- 17.26
- Seeing (arcsec)
- 0.71
Observation
- ID
- 58973
- Category
- science
- Program ID
- 113.26EM.001
- Program Title
- DIRECT CONFIRMATION OF PROTOPLANET CANDIDATES IN TRANSITION DISKS
- Program Type
- Normal
- PI / COI
- BENISTY / BOURDAROT / GINSKI / KAMMERER / LACOUR / BAE / FACCHINI / TEAGUE
Target
- ID
- 43657
- Name
- TW_Hya
- RA
- 165.466270833333
- DEC
- -34.7047313888889
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.8420 | 55.7780 | 26.4000 | 26.9000 |
| U1-U3 | 101.2890 | 101.1560 | 32.8000 | 33.3000 |
| U1-U4 | 129.7200 | 129.5550 | 60.7650 | 61.3450 |
| U2-U3 | 46.2140 | 46.1480 | 40.5000 | 41.0000 |
| U2-U4 | 89.3990 | 89.3530 | 81.4310 | 82.0470 |
| U3-U4 | 62.3440 | 62.3950 | 110.4960 | 111.0980 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26EM.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60428.05437121 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468514 |
| DEC | -34.70479 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 263.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 55.842 |
| HIERARCH ESO ISS PBL12 END | 55.778 |
| HIERARCH ESO ISS PBLA12 START | 26.4 |
| HIERARCH ESO ISS PBLA12 END | 26.9 |
| HIERARCH ESO ISS PBL13 START | 101.289 |
| HIERARCH ESO ISS PBL13 END | 101.156 |
| HIERARCH ESO ISS PBLA13 START | 32.8 |
| HIERARCH ESO ISS PBLA13 END | 33.3 |
| HIERARCH ESO ISS PBL14 START | 129.72 |
| HIERARCH ESO ISS PBL14 END | 129.555 |
| HIERARCH ESO ISS PBLA14 START | 60.765 |
| HIERARCH ESO ISS PBLA14 END | 61.345 |
| HIERARCH ESO ISS PBL23 START | 46.214 |
| HIERARCH ESO ISS PBL23 END | 46.148 |
| HIERARCH ESO ISS PBLA23 START | 40.5 |
| HIERARCH ESO ISS PBLA23 END | 41.0 |
| HIERARCH ESO ISS PBL24 START | 89.399 |
| HIERARCH ESO ISS PBL24 END | 89.353 |
| HIERARCH ESO ISS PBLA24 START | 81.431 |
| HIERARCH ESO ISS PBLA24 END | 82.047 |
| HIERARCH ESO ISS PBL34 START | 62.344 |
| HIERARCH ESO ISS PBL34 END | 62.395 |
| HIERARCH ESO ISS PBLA34 START | 110.496 |
| HIERARCH ESO ISS PBLA34 END | 111.098 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003558 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003929 |
| HIERARCH ESO ISS AMBI TEMP | 17.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | TW_Hya |
| HIERARCH ESO FT ROBJ ALPHA | 110151.905 |
| HIERARCH ESO FT ROBJ DELTA | -344217.033 |