Exposure
- ID
- GRAVI.2023-12-30T03:56:28.681_2
- Header ID
- GRAVI.2023-12-30T03:56:28.681
- Date updated
- 2023-12-30 04:10:50 UTC+0000
- Release date
- 2024-12-30 04:10:50 UTC+0000
- UTC Start
- 2023-12-30 03:56:28.681
- UTC End
- 2023-12-30 04:03:08.681
- MJD Start
- 60308.16422085
- MJD End
- 60308.1688504796
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004057
- Ambient temperature (°C)
- 13.79
- Seeing (arcsec)
- 0.73
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 | 48.1450 | 48.6620 | 38.4000 | 38.5000 |
| U1-U3 | 90.9370 | 91.8470 | 43.8000 | 43.7000 |
| U1-U4 | 129.2710 | 129.6270 | 63.9440 | 63.3510 |
| U2-U3 | 43.2460 | 43.6150 | 49.8000 | 49.6000 |
| U2-U4 | 88.3140 | 87.8900 | 77.5490 | 76.8150 |
| U3-U4 | 53.9210 | 53.0150 | 99.4510 | 98.9370 |
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 | 60308.16422085 |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 48.145 |
| HIERARCH ESO ISS PBL12 END | 48.662 |
| HIERARCH ESO ISS PBLA12 START | 38.4 |
| HIERARCH ESO ISS PBLA12 END | 38.5 |
| HIERARCH ESO ISS PBL13 START | 90.937 |
| HIERARCH ESO ISS PBL13 END | 91.847 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 43.7 |
| HIERARCH ESO ISS PBL14 START | 129.271 |
| HIERARCH ESO ISS PBL14 END | 129.627 |
| HIERARCH ESO ISS PBLA14 START | 63.944 |
| HIERARCH ESO ISS PBLA14 END | 63.351 |
| HIERARCH ESO ISS PBL23 START | 43.246 |
| HIERARCH ESO ISS PBL23 END | 43.615 |
| HIERARCH ESO ISS PBLA23 START | 49.8 |
| HIERARCH ESO ISS PBLA23 END | 49.6 |
| HIERARCH ESO ISS PBL24 START | 88.314 |
| HIERARCH ESO ISS PBL24 END | 87.89 |
| HIERARCH ESO ISS PBLA24 START | 77.549 |
| HIERARCH ESO ISS PBLA24 END | 76.815 |
| HIERARCH ESO ISS PBL34 START | 53.921 |
| HIERARCH ESO ISS PBL34 END | 53.015 |
| HIERARCH ESO ISS PBLA34 START | 99.451 |
| HIERARCH ESO ISS PBLA34 END | 98.937 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004145 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003969 |
| HIERARCH ESO ISS AMBI TEMP | 13.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | LkCa15 |
| HIERARCH ESO FT ROBJ ALPHA | 043917.791 |
| HIERARCH ESO FT ROBJ DELTA | 222103.390 |