Exposure
- ID
- GRAVI.2025-12-13T00:51:50.801_1
- Header ID
- GRAVI.2025-12-13T00:51:50.801
- Date updated
- 2025-12-13 01:05:48 UTC+0000
- Release date
- 2025-12-13 00:51:50 UTC+0000
- UTC Start
- 2025-12-13 00:51:50.801
- UTC End
- 2025-12-13 00:58:30.801
- MJD Start
- 61022.03600464
- MJD End
- 61022.04063426963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004621
- Ambient temperature (°C)
- 10.43
- Seeing (arcsec)
- 0.605
Observation
- ID
- 72252
- Category
- calibrator
- Program ID
- 116.28SD.002
- Program Title
- CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
- Program Type
- Normal
- PI / COI
- LU / KRAUS / BECK
Target
- ID
- 53658
- Name
- HD_31793
- RA
- 73.893802
- DEC
- -55.23789
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 68.8160 | 69.7760 | 71.9000 | 73.6000 |
| A0-J2 | 114.5800 | 115.3540 | 48.5000 | 50.3000 |
| A0-K0 | 124.9060 | 125.1590 | 31.5890 | 33.1950 |
| G1-J2 | 58.2210 | 58.2260 | 20.6000 | 22.0000 |
| G1-K0 | 85.0440 | 85.0390 | 0.0120 | 1.0760 |
| J2-K0 | 36.7390 | 37.0410 | 326.2130 | 326.9260 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28SD.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 61022.03600464 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 31793 |
| HIERARCH ESO INS SOBJ NAME | HD_31793 |
| RA | 73.893802 |
| DEC | -55.23789 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 68.816 |
| HIERARCH ESO ISS PBL12 END | 69.776 |
| HIERARCH ESO ISS PBLA12 START | 71.9 |
| HIERARCH ESO ISS PBLA12 END | 73.6 |
| HIERARCH ESO ISS PBL13 START | 114.58 |
| HIERARCH ESO ISS PBL13 END | 115.354 |
| HIERARCH ESO ISS PBLA13 START | 48.5 |
| HIERARCH ESO ISS PBLA13 END | 50.3 |
| HIERARCH ESO ISS PBL14 START | 124.906 |
| HIERARCH ESO ISS PBL14 END | 125.159 |
| HIERARCH ESO ISS PBLA14 START | 31.589 |
| HIERARCH ESO ISS PBLA14 END | 33.195 |
| HIERARCH ESO ISS PBL23 START | 58.221 |
| HIERARCH ESO ISS PBL23 END | 58.226 |
| HIERARCH ESO ISS PBLA23 START | 20.6 |
| HIERARCH ESO ISS PBLA23 END | 22.0 |
| HIERARCH ESO ISS PBL24 START | 85.044 |
| HIERARCH ESO ISS PBL24 END | 85.039 |
| HIERARCH ESO ISS PBLA24 START | 0.012 |
| HIERARCH ESO ISS PBLA24 END | 1.076 |
| HIERARCH ESO ISS PBL34 START | 36.739 |
| HIERARCH ESO ISS PBL34 END | 37.041 |
| HIERARCH ESO ISS PBLA34 START | 326.213 |
| HIERARCH ESO ISS PBLA34 END | 326.926 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004818 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004424 |
| HIERARCH ESO ISS AMBI TEMP | 10.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |