Exposure
- ID
- GRAVI.2023-12-30T03:49:10.663_2
- Header ID
- GRAVI.2023-12-30T03:49:10.663
- Date updated
- 2023-12-30 04:05:34 UTC+0000
- Release date
- 2024-12-30 04:05:34 UTC+0000
- UTC Start
- 2023-12-30 03:49:10.663
- UTC End
- 2023-12-30 03:55:50.663
- MJD Start
- 60308.15915119
- MJD End
- 60308.1637808196
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003993
- Ambient temperature (°C)
- 13.97
- Seeing (arcsec)
- 0.655
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 | 47.5910 | 48.1230 | 38.2000 | 38.4000 |
| U1-U3 | 89.9500 | 90.8980 | 43.8000 | 43.8000 |
| U1-U4 | 128.8080 | 129.2540 | 64.5450 | 63.9690 |
| U2-U3 | 42.8380 | 43.2300 | 50.1000 | 49.8000 |
| U2-U4 | 88.6850 | 88.3310 | 78.3000 | 77.5800 |
| U3-U4 | 54.8200 | 53.9590 | 99.9890 | 99.4730 |
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 | 60308.15915119 |
| 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 | 47.591 |
| HIERARCH ESO ISS PBL12 END | 48.123 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.4 |
| HIERARCH ESO ISS PBL13 START | 89.95 |
| HIERARCH ESO ISS PBL13 END | 90.898 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 43.8 |
| HIERARCH ESO ISS PBL14 START | 128.808 |
| HIERARCH ESO ISS PBL14 END | 129.254 |
| HIERARCH ESO ISS PBLA14 START | 64.545 |
| HIERARCH ESO ISS PBLA14 END | 63.969 |
| HIERARCH ESO ISS PBL23 START | 42.838 |
| HIERARCH ESO ISS PBL23 END | 43.23 |
| HIERARCH ESO ISS PBLA23 START | 50.1 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 88.685 |
| HIERARCH ESO ISS PBL24 END | 88.331 |
| HIERARCH ESO ISS PBLA24 START | 78.3 |
| HIERARCH ESO ISS PBLA24 END | 77.58 |
| HIERARCH ESO ISS PBL34 START | 54.82 |
| HIERARCH ESO ISS PBL34 END | 53.959 |
| HIERARCH ESO ISS PBLA34 START | 99.989 |
| HIERARCH ESO ISS PBLA34 END | 99.473 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003841 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004145 |
| HIERARCH ESO ISS AMBI TEMP | 13.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | LkCa15 |
| HIERARCH ESO FT ROBJ ALPHA | 043917.791 |
| HIERARCH ESO FT ROBJ DELTA | 222103.390 |