Exposure
- ID
- GRAVI.2025-12-13T04:29:00.353_1
- Header ID
- GRAVI.2025-12-13T04:29:00.353
- Date updated
- 2025-12-13 04:45:52 UTC+0000
- Release date
- 2026-12-13 04:45:52 UTC+0000
- UTC Start
- 2025-12-13 04:29:00.353
- UTC End
- 2025-12-13 04:35:40.353
- MJD Start
- 61022.18680964
- MJD End
- 61022.19143926963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023214999999999998
- Ambient temperature (°C)
- 10.24
- Seeing (arcsec)
- 1.2
Observation
- ID
- 72258
- Category
- science
- 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
- 53664
- Name
- HD_44939
- RA
- 94.799184
- DEC
- -67.59817
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 83.1520 | 83.5570 | 95.5000 | 97.1000 |
| A0-J2 | 128.0070 | 128.2000 | 77.4000 | 79.0000 |
| A0-K0 | 126.9710 | 126.8000 | 61.6180 | 63.1830 |
| G1-J2 | 55.3900 | 55.2280 | 49.5000 | 51.0000 |
| G1-K0 | 74.1980 | 73.9580 | 22.9620 | 24.1420 |
| J2-K0 | 34.9650 | 35.1080 | 337.8230 | 338.8360 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28SD.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 61022.18680964 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 44939 |
| HIERARCH ESO INS SOBJ NAME | HD_44939 |
| RA | 94.799184 |
| DEC | -67.59817 |
| 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 | 83.152 |
| HIERARCH ESO ISS PBL12 END | 83.557 |
| HIERARCH ESO ISS PBLA12 START | 95.5 |
| HIERARCH ESO ISS PBLA12 END | 97.1 |
| HIERARCH ESO ISS PBL13 START | 128.007 |
| HIERARCH ESO ISS PBL13 END | 128.2 |
| HIERARCH ESO ISS PBLA13 START | 77.4 |
| HIERARCH ESO ISS PBLA13 END | 79.0 |
| HIERARCH ESO ISS PBL14 START | 126.971 |
| HIERARCH ESO ISS PBL14 END | 126.8 |
| HIERARCH ESO ISS PBLA14 START | 61.618 |
| HIERARCH ESO ISS PBLA14 END | 63.183 |
| HIERARCH ESO ISS PBL23 START | 55.39 |
| HIERARCH ESO ISS PBL23 END | 55.228 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 51.0 |
| HIERARCH ESO ISS PBL24 START | 74.198 |
| HIERARCH ESO ISS PBL24 END | 73.958 |
| HIERARCH ESO ISS PBLA24 START | 22.962 |
| HIERARCH ESO ISS PBLA24 END | 24.142 |
| HIERARCH ESO ISS PBL34 START | 34.965 |
| HIERARCH ESO ISS PBL34 END | 35.108 |
| HIERARCH ESO ISS PBLA34 START | 337.823 |
| HIERARCH ESO ISS PBLA34 END | 338.836 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002332 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002311 |
| HIERARCH ESO ISS AMBI TEMP | 10.24 |
| HIERARCH ESO ISS AMBI FWHM START | 1.13 |
| HIERARCH ESO ISS AMBI FWHM END | 1.27 |