Exposure
- ID
- GRAVI.2023-12-30T02:53:46.522_2
- Header ID
- GRAVI.2023-12-30T02:53:46.522
- Date updated
- 2023-12-30 03:10:22 UTC+0000
- Release date
- 2024-12-30 03:10:22 UTC+0000
- UTC Start
- 2023-12-30 02:53:46.522
- UTC End
- 2023-12-30 03:00:26.522
- MJD Start
- 60308.12067734
- MJD End
- 60308.1253069696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010316
- Ambient temperature (°C)
- 13.85
- Seeing (arcsec)
- 0.635
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 | 43.0230 | 43.6290 | 35.9000 | 36.3000 |
| U1-U3 | 81.3360 | 82.5270 | 43.1000 | 43.3000 |
| U1-U4 | 122.2120 | 123.3510 | 68.5440 | 68.0870 |
| U2-U3 | 39.0190 | 39.5710 | 51.0000 | 51.0000 |
| U2-U4 | 89.0510 | 89.2470 | 83.6440 | 82.9900 |
| U3-U4 | 60.0180 | 59.5190 | 104.1850 | 103.6350 |
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 | 60308.12067734 |
| 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 | 43.023 |
| HIERARCH ESO ISS PBL12 END | 43.629 |
| HIERARCH ESO ISS PBLA12 START | 35.9 |
| HIERARCH ESO ISS PBLA12 END | 36.3 |
| HIERARCH ESO ISS PBL13 START | 81.336 |
| HIERARCH ESO ISS PBL13 END | 82.527 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 122.212 |
| HIERARCH ESO ISS PBL14 END | 123.351 |
| HIERARCH ESO ISS PBLA14 START | 68.544 |
| HIERARCH ESO ISS PBLA14 END | 68.087 |
| HIERARCH ESO ISS PBL23 START | 39.019 |
| HIERARCH ESO ISS PBL23 END | 39.571 |
| HIERARCH ESO ISS PBLA23 START | 51.0 |
| HIERARCH ESO ISS PBLA23 END | 51.0 |
| HIERARCH ESO ISS PBL24 START | 89.051 |
| HIERARCH ESO ISS PBL24 END | 89.247 |
| HIERARCH ESO ISS PBLA24 START | 83.644 |
| HIERARCH ESO ISS PBLA24 END | 82.99 |
| HIERARCH ESO ISS PBL34 START | 60.018 |
| HIERARCH ESO ISS PBL34 END | 59.519 |
| HIERARCH ESO ISS PBLA34 START | 104.185 |
| HIERARCH ESO ISS PBLA34 END | 103.635 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009708 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010924 |
| HIERARCH ESO ISS AMBI TEMP | 13.85 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | LkCa15 |
| HIERARCH ESO FT ROBJ ALPHA | 043917.791 |
| HIERARCH ESO FT ROBJ DELTA | 222103.390 |