Exposure
- ID
- GRAVI.2024-04-29T02:48:45.886_2
- Header ID
- GRAVI.2024-04-29T02:48:45.886
- Date updated
- 2024-04-29 03:00:44 UTC+0000
- Release date
- 2025-04-29 03:00:44 UTC+0000
- UTC Start
- 2024-04-29 02:48:45.886
- UTC End
- 2024-04-29 02:52:45.886
- MJD Start
- 60429.11719776
- MJD End
- 60429.1199755378
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005787
- Ambient temperature (°C)
- 16.27
- Seeing (arcsec)
- 0.405
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 | 53.4120 | 53.2380 | 35.8000 | 36.1000 |
| U1-U3 | 95.9710 | 95.5860 | 42.4000 | 42.8000 |
| U1-U4 | 120.0550 | 119.2880 | 72.4850 | 72.9960 |
| U2-U3 | 43.3520 | 43.1410 | 50.5000 | 50.9000 |
| U2-U4 | 83.5820 | 83.0750 | 94.9440 | 95.6020 |
| U3-U4 | 60.7410 | 60.5490 | 124.9130 | 125.6670 |
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 | 60429.11719776 |
| 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 | 53.412 |
| HIERARCH ESO ISS PBL12 END | 53.238 |
| HIERARCH ESO ISS PBLA12 START | 35.8 |
| HIERARCH ESO ISS PBLA12 END | 36.1 |
| HIERARCH ESO ISS PBL13 START | 95.971 |
| HIERARCH ESO ISS PBL13 END | 95.586 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.8 |
| HIERARCH ESO ISS PBL14 START | 120.055 |
| HIERARCH ESO ISS PBL14 END | 119.288 |
| HIERARCH ESO ISS PBLA14 START | 72.485 |
| HIERARCH ESO ISS PBLA14 END | 72.996 |
| HIERARCH ESO ISS PBL23 START | 43.352 |
| HIERARCH ESO ISS PBL23 END | 43.141 |
| HIERARCH ESO ISS PBLA23 START | 50.5 |
| HIERARCH ESO ISS PBLA23 END | 50.9 |
| HIERARCH ESO ISS PBL24 START | 83.582 |
| HIERARCH ESO ISS PBL24 END | 83.075 |
| HIERARCH ESO ISS PBLA24 START | 94.944 |
| HIERARCH ESO ISS PBLA24 END | 95.602 |
| HIERARCH ESO ISS PBL34 START | 60.741 |
| HIERARCH ESO ISS PBL34 END | 60.549 |
| HIERARCH ESO ISS PBLA34 START | 124.913 |
| HIERARCH ESO ISS PBLA34 END | 125.667 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005724 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00585 |
| HIERARCH ESO ISS AMBI TEMP | 16.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |
| HIERARCH ESO FT ROBJ NAME | TW_Hya |
| HIERARCH ESO FT ROBJ ALPHA | 110151.905 |
| HIERARCH ESO FT ROBJ DELTA | -344217.033 |