Exposure
- ID
- GRAVI.2024-04-29T02:24:21.824_2
- Header ID
- GRAVI.2024-04-29T02:24:21.824
- Date updated
- 2024-04-29 02:35:29 UTC+0000
- Release date
- 2025-04-29 02:35:28 UTC+0000
- UTC Start
- 2024-04-29 02:24:21.824
- UTC End
- 2024-04-29 02:28:21.824
- MJD Start
- 60429.10025259
- MJD End
- 60429.1030303678
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004389
- Ambient temperature (°C)
- 15.99
- Seeing (arcsec)
- 0.775
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 | 54.2720 | 54.1310 | 33.6000 | 34.0000 |
| U1-U3 | 97.8770 | 97.5660 | 40.2000 | 40.6000 |
| U1-U4 | 123.8110 | 123.2040 | 69.6020 | 70.1240 |
| U2-U3 | 44.3980 | 44.2280 | 48.2000 | 48.6000 |
| U2-U4 | 86.0380 | 85.6450 | 91.3650 | 91.9970 |
| U3-U4 | 61.6490 | 61.5080 | 120.8750 | 121.5790 |
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 | 60429.10025259 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468945 |
| DEC | -34.70437 |
| 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 | 54.272 |
| HIERARCH ESO ISS PBL12 END | 54.131 |
| HIERARCH ESO ISS PBLA12 START | 33.6 |
| HIERARCH ESO ISS PBLA12 END | 34.0 |
| HIERARCH ESO ISS PBL13 START | 97.877 |
| HIERARCH ESO ISS PBL13 END | 97.566 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 40.6 |
| HIERARCH ESO ISS PBL14 START | 123.811 |
| HIERARCH ESO ISS PBL14 END | 123.204 |
| HIERARCH ESO ISS PBLA14 START | 69.602 |
| HIERARCH ESO ISS PBLA14 END | 70.124 |
| HIERARCH ESO ISS PBL23 START | 44.398 |
| HIERARCH ESO ISS PBL23 END | 44.228 |
| HIERARCH ESO ISS PBLA23 START | 48.2 |
| HIERARCH ESO ISS PBLA23 END | 48.6 |
| HIERARCH ESO ISS PBL24 START | 86.038 |
| HIERARCH ESO ISS PBL24 END | 85.645 |
| HIERARCH ESO ISS PBLA24 START | 91.365 |
| HIERARCH ESO ISS PBLA24 END | 91.997 |
| HIERARCH ESO ISS PBL34 START | 61.649 |
| HIERARCH ESO ISS PBL34 END | 61.508 |
| HIERARCH ESO ISS PBLA34 START | 120.875 |
| HIERARCH ESO ISS PBLA34 END | 121.579 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004296 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004482 |
| HIERARCH ESO ISS AMBI TEMP | 15.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | TW_Hya |
| HIERARCH ESO FT ROBJ ALPHA | 110151.905 |
| HIERARCH ESO FT ROBJ DELTA | -344217.033 |