Exposure
- ID
- GRAVI.2024-04-29T02:14:51.800_2
- Header ID
- GRAVI.2024-04-29T02:14:51.800
- Date updated
- 2024-04-29 02:25:27 UTC+0000
- Release date
- 2025-04-29 02:25:27 UTC+0000
- UTC Start
- 2024-04-29 02:14:51.800
- UTC End
- 2024-04-29 02:18:51.800
- MJD Start
- 60429.09365509
- MJD End
- 60429.0964328678
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035155
- Ambient temperature (°C)
- 15.72
- Seeing (arcsec)
- 0.78
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 | 54.5600 | 54.4310 | 32.7000 | 33.1000 |
| U1-U3 | 98.5150 | 98.2300 | 39.3000 | 39.7000 |
| U1-U4 | 125.0360 | 124.4910 | 68.4540 | 68.9820 |
| U2-U3 | 44.7460 | 44.5910 | 47.3000 | 47.7000 |
| U2-U4 | 86.8220 | 86.4750 | 89.9940 | 90.6200 |
| U3-U4 | 61.9210 | 61.8020 | 119.3650 | 120.0520 |
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 | 60429.09365509 |
| 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 | 54.56 |
| HIERARCH ESO ISS PBL12 END | 54.431 |
| HIERARCH ESO ISS PBLA12 START | 32.7 |
| HIERARCH ESO ISS PBLA12 END | 33.1 |
| HIERARCH ESO ISS PBL13 START | 98.515 |
| HIERARCH ESO ISS PBL13 END | 98.23 |
| HIERARCH ESO ISS PBLA13 START | 39.3 |
| HIERARCH ESO ISS PBLA13 END | 39.7 |
| HIERARCH ESO ISS PBL14 START | 125.036 |
| HIERARCH ESO ISS PBL14 END | 124.491 |
| HIERARCH ESO ISS PBLA14 START | 68.454 |
| HIERARCH ESO ISS PBLA14 END | 68.982 |
| HIERARCH ESO ISS PBL23 START | 44.746 |
| HIERARCH ESO ISS PBL23 END | 44.591 |
| HIERARCH ESO ISS PBLA23 START | 47.3 |
| HIERARCH ESO ISS PBLA23 END | 47.7 |
| HIERARCH ESO ISS PBL24 START | 86.822 |
| HIERARCH ESO ISS PBL24 END | 86.475 |
| HIERARCH ESO ISS PBLA24 START | 89.994 |
| HIERARCH ESO ISS PBLA24 END | 90.62 |
| HIERARCH ESO ISS PBL34 START | 61.921 |
| HIERARCH ESO ISS PBL34 END | 61.802 |
| HIERARCH ESO ISS PBLA34 START | 119.365 |
| HIERARCH ESO ISS PBLA34 END | 120.052 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003294 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003737 |
| HIERARCH ESO ISS AMBI TEMP | 15.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | TW_Hya |
| HIERARCH ESO FT ROBJ ALPHA | 110151.905 |
| HIERARCH ESO FT ROBJ DELTA | -344217.033 |