Exposure
- ID
- GRAVI.2024-04-29T03:08:18.936_2
- Header ID
- GRAVI.2024-04-29T03:08:18.936
- Date updated
- 2024-04-29 03:20:44 UTC+0000
- Release date
- 2025-04-29 03:20:44 UTC+0000
- UTC Start
- 2024-04-29 03:08:18.936
- UTC End
- 2024-04-29 03:12:18.936
- MJD Start
- 60429.13077472
- MJD End
- 60429.1335524978
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006822
- Ambient temperature (°C)
- 16.23
- Seeing (arcsec)
- 0.33
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 | 52.5860 | 52.3870 | 37.4000 | 37.7000 |
| U1-U3 | 94.1400 | 93.6960 | 44.0000 | 44.3000 |
| U1-U4 | 116.3880 | 115.4980 | 74.7650 | 75.2670 |
| U2-U3 | 42.3430 | 42.0990 | 52.3000 | 52.6000 |
| U2-U4 | 81.1610 | 80.5730 | 97.9370 | 98.6170 |
| U3-U4 | 59.8220 | 59.5990 | 128.3640 | 129.1560 |
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 | 60429.13077472 |
| 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 | 52.586 |
| HIERARCH ESO ISS PBL12 END | 52.387 |
| HIERARCH ESO ISS PBLA12 START | 37.4 |
| HIERARCH ESO ISS PBLA12 END | 37.7 |
| HIERARCH ESO ISS PBL13 START | 94.14 |
| HIERARCH ESO ISS PBL13 END | 93.696 |
| HIERARCH ESO ISS PBLA13 START | 44.0 |
| HIERARCH ESO ISS PBLA13 END | 44.3 |
| HIERARCH ESO ISS PBL14 START | 116.388 |
| HIERARCH ESO ISS PBL14 END | 115.498 |
| HIERARCH ESO ISS PBLA14 START | 74.765 |
| HIERARCH ESO ISS PBLA14 END | 75.267 |
| HIERARCH ESO ISS PBL23 START | 42.343 |
| HIERARCH ESO ISS PBL23 END | 42.099 |
| HIERARCH ESO ISS PBLA23 START | 52.3 |
| HIERARCH ESO ISS PBLA23 END | 52.6 |
| HIERARCH ESO ISS PBL24 START | 81.161 |
| HIERARCH ESO ISS PBL24 END | 80.573 |
| HIERARCH ESO ISS PBLA24 START | 97.937 |
| HIERARCH ESO ISS PBLA24 END | 98.617 |
| HIERARCH ESO ISS PBL34 START | 59.822 |
| HIERARCH ESO ISS PBL34 END | 59.599 |
| HIERARCH ESO ISS PBLA34 START | 128.364 |
| HIERARCH ESO ISS PBLA34 END | 129.156 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006822 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006822 |
| HIERARCH ESO ISS AMBI TEMP | 16.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.33 |
| 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 |