Exposure
- ID
- GRAVI.2024-04-29T02:58:12.910_2
- Header ID
- GRAVI.2024-04-29T02:58:12.910
- Date updated
- 2024-04-29 03:10:42 UTC+0000
- Release date
- 2025-04-29 03:10:42 UTC+0000
- UTC Start
- 2024-04-29 02:58:12.910
- UTC End
- 2024-04-29 03:02:12.910
- MJD Start
- 60429.12376053
- MJD End
- 60429.1265383078
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0059015
- Ambient temperature (°C)
- 16.27
- Seeing (arcsec)
- 0.36
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 | 53.0280 | 52.8410 | 36.6000 | 36.9000 |
| U1-U3 | 95.1200 | 94.7050 | 43.2000 | 43.5000 |
| U1-U4 | 118.3540 | 117.5230 | 73.5910 | 74.0990 |
| U2-U3 | 42.8830 | 42.6550 | 51.4000 | 51.8000 |
| U2-U4 | 82.4590 | 81.9100 | 96.3770 | 97.0470 |
| U3-U4 | 60.3150 | 60.1060 | 126.5580 | 127.3320 |
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 | 60429.12376053 |
| 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 | 53.028 |
| HIERARCH ESO ISS PBL12 END | 52.841 |
| HIERARCH ESO ISS PBLA12 START | 36.6 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 95.12 |
| HIERARCH ESO ISS PBL13 END | 94.705 |
| HIERARCH ESO ISS PBLA13 START | 43.2 |
| HIERARCH ESO ISS PBLA13 END | 43.5 |
| HIERARCH ESO ISS PBL14 START | 118.354 |
| HIERARCH ESO ISS PBL14 END | 117.523 |
| HIERARCH ESO ISS PBLA14 START | 73.591 |
| HIERARCH ESO ISS PBLA14 END | 74.099 |
| HIERARCH ESO ISS PBL23 START | 42.883 |
| HIERARCH ESO ISS PBL23 END | 42.655 |
| HIERARCH ESO ISS PBLA23 START | 51.4 |
| HIERARCH ESO ISS PBLA23 END | 51.8 |
| HIERARCH ESO ISS PBL24 START | 82.459 |
| HIERARCH ESO ISS PBL24 END | 81.91 |
| HIERARCH ESO ISS PBLA24 START | 96.377 |
| HIERARCH ESO ISS PBLA24 END | 97.047 |
| HIERARCH ESO ISS PBL34 START | 60.315 |
| HIERARCH ESO ISS PBL34 END | 60.106 |
| HIERARCH ESO ISS PBLA34 START | 126.558 |
| HIERARCH ESO ISS PBLA34 END | 127.332 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004981 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006822 |
| HIERARCH ESO ISS AMBI TEMP | 16.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.33 |
| HIERARCH ESO FT ROBJ NAME | TW_Hya |
| HIERARCH ESO FT ROBJ ALPHA | 110151.905 |
| HIERARCH ESO FT ROBJ DELTA | -344217.033 |