Exposure
- ID
- GRAVI.2024-04-29T02:19:36.812_2
- Header ID
- GRAVI.2024-04-29T02:19:36.812
- Date updated
- 2024-04-29 02:30:42 UTC+0000
- Release date
- 2025-04-29 02:30:42 UTC+0000
- UTC Start
- 2024-04-29 02:19:36.812
- UTC End
- 2024-04-29 02:23:36.812
- MJD Start
- 60429.09695384
- MJD End
- 60429.0997316178
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040165
- Ambient temperature (°C)
- 15.86
- Seeing (arcsec)
- 0.765
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 | 54.4190 | 54.2840 | 33.2000 | 33.6000 |
| U1-U3 | 98.2030 | 97.9050 | 39.7000 | 40.1000 |
| U1-U4 | 124.4400 | 123.8650 | 69.0300 | 69.5540 |
| U2-U3 | 44.5760 | 44.4140 | 47.7000 | 48.2000 |
| U2-U4 | 86.4420 | 86.0730 | 90.6780 | 91.3070 |
| U3-U4 | 61.7910 | 61.6610 | 120.1160 | 120.8110 |
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 | 60429.09695384 |
| 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 | 54.419 |
| HIERARCH ESO ISS PBL12 END | 54.284 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 33.6 |
| HIERARCH ESO ISS PBL13 START | 98.203 |
| HIERARCH ESO ISS PBL13 END | 97.905 |
| HIERARCH ESO ISS PBLA13 START | 39.7 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 124.44 |
| HIERARCH ESO ISS PBL14 END | 123.865 |
| HIERARCH ESO ISS PBLA14 START | 69.03 |
| HIERARCH ESO ISS PBLA14 END | 69.554 |
| HIERARCH ESO ISS PBL23 START | 44.576 |
| HIERARCH ESO ISS PBL23 END | 44.414 |
| HIERARCH ESO ISS PBLA23 START | 47.7 |
| HIERARCH ESO ISS PBLA23 END | 48.2 |
| HIERARCH ESO ISS PBL24 START | 86.442 |
| HIERARCH ESO ISS PBL24 END | 86.073 |
| HIERARCH ESO ISS PBLA24 START | 90.678 |
| HIERARCH ESO ISS PBLA24 END | 91.307 |
| HIERARCH ESO ISS PBL34 START | 61.791 |
| HIERARCH ESO ISS PBL34 END | 61.661 |
| HIERARCH ESO ISS PBLA34 START | 120.116 |
| HIERARCH ESO ISS PBLA34 END | 120.811 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003737 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004296 |
| HIERARCH ESO ISS AMBI TEMP | 15.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | TW_Hya |
| HIERARCH ESO FT ROBJ ALPHA | 110151.905 |
| HIERARCH ESO FT ROBJ DELTA | -344217.033 |