Exposure
- ID
- GRAVI.2024-04-28T01:47:14.745_1
- Header ID
- GRAVI.2024-04-28T01:47:14.745
- Date updated
- 2024-04-28 02:00:34 UTC+0000
- Release date
- 2025-04-28 02:00:34 UTC+0000
- UTC Start
- 2024-04-28 01:47:14.745
- UTC End
- 2024-04-28 01:51:14.745
- MJD Start
- 60428.07447622
- MJD End
- 60428.0772539978
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0044285
- Ambient temperature (°C)
- 17.38
- Seeing (arcsec)
- 0.63
Observation
- ID
- 58972
- 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
- 43656
- Name
- TW_Hya
- RA
- 165.468514
- DEC
- -34.70479
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.3380 | 55.2460 | 29.5000 | 30.0000 |
| U1-U3 | 100.2170 | 100.0170 | 36.0000 | 36.5000 |
| U1-U4 | 128.1270 | 127.7850 | 64.5470 | 65.1000 |
| U2-U3 | 45.6620 | 45.5560 | 43.9000 | 44.4000 |
| U2-U4 | 88.6860 | 88.4950 | 85.5270 | 86.1430 |
| U3-U4 | 62.4390 | 62.4050 | 114.6070 | 115.2470 |
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 | 60428.07447622 |
| 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 | 55.338 |
| HIERARCH ESO ISS PBL12 END | 55.246 |
| HIERARCH ESO ISS PBLA12 START | 29.5 |
| HIERARCH ESO ISS PBLA12 END | 30.0 |
| HIERARCH ESO ISS PBL13 START | 100.217 |
| HIERARCH ESO ISS PBL13 END | 100.017 |
| HIERARCH ESO ISS PBLA13 START | 36.0 |
| HIERARCH ESO ISS PBLA13 END | 36.5 |
| HIERARCH ESO ISS PBL14 START | 128.127 |
| HIERARCH ESO ISS PBL14 END | 127.785 |
| HIERARCH ESO ISS PBLA14 START | 64.547 |
| HIERARCH ESO ISS PBLA14 END | 65.1 |
| HIERARCH ESO ISS PBL23 START | 45.662 |
| HIERARCH ESO ISS PBL23 END | 45.556 |
| HIERARCH ESO ISS PBLA23 START | 43.9 |
| HIERARCH ESO ISS PBLA23 END | 44.4 |
| HIERARCH ESO ISS PBL24 START | 88.686 |
| HIERARCH ESO ISS PBL24 END | 88.495 |
| HIERARCH ESO ISS PBLA24 START | 85.527 |
| HIERARCH ESO ISS PBLA24 END | 86.143 |
| HIERARCH ESO ISS PBL34 START | 62.439 |
| HIERARCH ESO ISS PBL34 END | 62.405 |
| HIERARCH ESO ISS PBLA34 START | 114.607 |
| HIERARCH ESO ISS PBLA34 END | 115.247 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004353 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004504 |
| HIERARCH ESO ISS AMBI TEMP | 17.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | TW_Hya |
| HIERARCH ESO FT ROBJ ALPHA | 110151.905 |
| HIERARCH ESO FT ROBJ DELTA | -344217.033 |