Exposure
- ID
- GRAVI.2023-12-30T03:09:07.562_2
- Header ID
- GRAVI.2023-12-30T03:09:07.562
- Date updated
- 2023-12-30 03:25:37 UTC+0000
- Release date
- 2024-12-30 03:25:37 UTC+0000
- UTC Start
- 2023-12-30 03:09:07.562
- UTC End
- 2023-12-30 03:15:47.562
- MJD Start
- 60308.13133752
- MJD End
- 60308.1359671496
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012637
- Ambient temperature (°C)
- 14.29
- Seeing (arcsec)
- 0.53
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 | 44.3410 | 44.9350 | 36.8000 | 37.1000 |
| U1-U3 | 83.9040 | 85.0400 | 43.5000 | 43.6000 |
| U1-U4 | 124.5880 | 125.5380 | 67.5280 | 67.0390 |
| U2-U3 | 40.2010 | 40.7130 | 50.9000 | 50.8000 |
| U2-U4 | 89.3870 | 89.4290 | 82.2100 | 81.5420 |
| U3-U4 | 58.8670 | 58.2650 | 102.9920 | 102.4540 |
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 | 60308.13133752 |
| 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 | 44.341 |
| HIERARCH ESO ISS PBL12 END | 44.935 |
| HIERARCH ESO ISS PBLA12 START | 36.8 |
| HIERARCH ESO ISS PBLA12 END | 37.1 |
| HIERARCH ESO ISS PBL13 START | 83.904 |
| HIERARCH ESO ISS PBL13 END | 85.04 |
| HIERARCH ESO ISS PBLA13 START | 43.5 |
| HIERARCH ESO ISS PBLA13 END | 43.6 |
| HIERARCH ESO ISS PBL14 START | 124.588 |
| HIERARCH ESO ISS PBL14 END | 125.538 |
| HIERARCH ESO ISS PBLA14 START | 67.528 |
| HIERARCH ESO ISS PBLA14 END | 67.039 |
| HIERARCH ESO ISS PBL23 START | 40.201 |
| HIERARCH ESO ISS PBL23 END | 40.713 |
| HIERARCH ESO ISS PBLA23 START | 50.9 |
| HIERARCH ESO ISS PBLA23 END | 50.8 |
| HIERARCH ESO ISS PBL24 START | 89.387 |
| HIERARCH ESO ISS PBL24 END | 89.429 |
| HIERARCH ESO ISS PBLA24 START | 82.21 |
| HIERARCH ESO ISS PBLA24 END | 81.542 |
| HIERARCH ESO ISS PBL34 START | 58.867 |
| HIERARCH ESO ISS PBL34 END | 58.265 |
| HIERARCH ESO ISS PBLA34 START | 102.992 |
| HIERARCH ESO ISS PBLA34 END | 102.454 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011961 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013313 |
| HIERARCH ESO ISS AMBI TEMP | 14.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | LkCa15 |
| HIERARCH ESO FT ROBJ ALPHA | 043917.791 |
| HIERARCH ESO FT ROBJ DELTA | 222103.390 |