Exposure
- ID
- GRAVI.2024-04-28T00:33:11.558_2
- Header ID
- GRAVI.2024-04-28T00:33:11.558
- Date updated
- 2024-04-28 00:45:24 UTC+0000
- Release date
- 2025-04-28 00:45:24 UTC+0000
- UTC Start
- 2024-04-28 00:33:11.558
- UTC End
- 2024-04-28 00:37:11.558
- MJD Start
- 60428.02305044
- MJD End
- 60428.0258282178
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004141
- Ambient temperature (°C)
- 17.36
- Seeing (arcsec)
- 0.83
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 | 56.3080 | 56.2770 | 21.0000 | 21.5000 |
| U1-U3 | 102.1930 | 102.1400 | 27.2000 | 27.7000 |
| U1-U4 | 130.0470 | 130.1190 | 54.3770 | 55.0200 |
| U2-U3 | 46.6100 | 46.5930 | 34.6000 | 35.2000 |
| U2-U4 | 88.6420 | 88.8100 | 74.8490 | 75.4990 |
| U3-U4 | 60.9860 | 61.1830 | 104.4140 | 104.9860 |
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 | 60428.02305044 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468514 |
| DEC | -34.70479 |
| 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 | 56.308 |
| HIERARCH ESO ISS PBL12 END | 56.277 |
| HIERARCH ESO ISS PBLA12 START | 21.0 |
| HIERARCH ESO ISS PBLA12 END | 21.5 |
| HIERARCH ESO ISS PBL13 START | 102.193 |
| HIERARCH ESO ISS PBL13 END | 102.14 |
| HIERARCH ESO ISS PBLA13 START | 27.2 |
| HIERARCH ESO ISS PBLA13 END | 27.7 |
| HIERARCH ESO ISS PBL14 START | 130.047 |
| HIERARCH ESO ISS PBL14 END | 130.119 |
| HIERARCH ESO ISS PBLA14 START | 54.377 |
| HIERARCH ESO ISS PBLA14 END | 55.02 |
| HIERARCH ESO ISS PBL23 START | 46.61 |
| HIERARCH ESO ISS PBL23 END | 46.593 |
| HIERARCH ESO ISS PBLA23 START | 34.6 |
| HIERARCH ESO ISS PBLA23 END | 35.2 |
| HIERARCH ESO ISS PBL24 START | 88.642 |
| HIERARCH ESO ISS PBL24 END | 88.81 |
| HIERARCH ESO ISS PBLA24 START | 74.849 |
| HIERARCH ESO ISS PBLA24 END | 75.499 |
| HIERARCH ESO ISS PBL34 START | 60.986 |
| HIERARCH ESO ISS PBL34 END | 61.183 |
| HIERARCH ESO ISS PBLA34 START | 104.414 |
| HIERARCH ESO ISS PBLA34 END | 104.986 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004141 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004141 |
| HIERARCH ESO ISS AMBI TEMP | 17.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.83 |
| HIERARCH ESO FT ROBJ NAME | TW_Hya |
| HIERARCH ESO FT ROBJ ALPHA | 110151.905 |
| HIERARCH ESO FT ROBJ DELTA | -344217.033 |