Exposure
- ID
- GRAVI.2023-12-30T03:25:19.602_2
- Header ID
- GRAVI.2023-12-30T03:25:19.602
- Date updated
- 2023-12-30 03:36:04 UTC+0000
- Release date
- 2024-12-30 03:36:04 UTC+0000
- UTC Start
- 2023-12-30 03:25:19.602
- UTC End
- 2023-12-30 03:27:19.602
- MJD Start
- 60308.14258799
- MJD End
- 60308.1439768789
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012702
- Ambient temperature (°C)
- 14.2
- Seeing (arcsec)
- 0.46
Observation
- ID
- 58098
- Category
- science
- Program ID
- 112.25RK.002
- Program Title
- USING `PROTO-TROJANS' AS WAYMARKERS OF PROTOPLANETS
- Program Type
- Normal
- PI / COI
- TEAGUE/ BOURDAROT/ BAE/ FACCHINI/ BENISTY/ LONG
Target
- ID
- 43022
- Name
- LkCa15
- RA
- 69.8241291666667
- DEC
- 22.3509416666667
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 | 45.6990 | 45.9410 | 37.5000 | 37.6000 |
| U1-U3 | 86.4800 | 86.9330 | 43.8000 | 43.8000 |
| U1-U4 | 126.6450 | 126.9700 | 66.3780 | 66.1590 |
| U2-U3 | 41.3520 | 41.5500 | 50.7000 | 50.6000 |
| U2-U4 | 89.3760 | 89.3340 | 80.6590 | 80.3720 |
| U3-U4 | 57.4060 | 57.1130 | 101.7580 | 101.5350 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25RK.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60308.14258799 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | LkCa15 |
| HIERARCH ESO INS SOBJ NAME | LkCa15 |
| RA | 69.826249 |
| DEC | 22.35099 |
| 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 | 179.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 40 |
| HIERARCH ESO ISS PBL12 START | 45.699 |
| HIERARCH ESO ISS PBL12 END | 45.941 |
| HIERARCH ESO ISS PBLA12 START | 37.5 |
| HIERARCH ESO ISS PBLA12 END | 37.6 |
| HIERARCH ESO ISS PBL13 START | 86.48 |
| HIERARCH ESO ISS PBL13 END | 86.933 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 43.8 |
| HIERARCH ESO ISS PBL14 START | 126.645 |
| HIERARCH ESO ISS PBL14 END | 126.97 |
| HIERARCH ESO ISS PBLA14 START | 66.378 |
| HIERARCH ESO ISS PBLA14 END | 66.159 |
| HIERARCH ESO ISS PBL23 START | 41.352 |
| HIERARCH ESO ISS PBL23 END | 41.55 |
| HIERARCH ESO ISS PBLA23 START | 50.7 |
| HIERARCH ESO ISS PBLA23 END | 50.6 |
| HIERARCH ESO ISS PBL24 START | 89.376 |
| HIERARCH ESO ISS PBL24 END | 89.334 |
| HIERARCH ESO ISS PBLA24 START | 80.659 |
| HIERARCH ESO ISS PBLA24 END | 80.372 |
| HIERARCH ESO ISS PBL34 START | 57.406 |
| HIERARCH ESO ISS PBL34 END | 57.113 |
| HIERARCH ESO ISS PBLA34 START | 101.758 |
| HIERARCH ESO ISS PBLA34 END | 101.535 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012702 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012702 |
| HIERARCH ESO ISS AMBI TEMP | 14.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | LkCa15 |
| HIERARCH ESO FT ROBJ ALPHA | 043917.791 |
| HIERARCH ESO FT ROBJ DELTA | 222103.390 |