Exposure
- ID
- GRAVI.2025-12-13T05:23:21.492_1
- Header ID
- GRAVI.2025-12-13T05:23:21.492
- Date updated
- 2025-12-13 05:36:04 UTC+0000
- Release date
- 2026-12-13 05:36:04 UTC+0000
- UTC Start
- 2025-12-13 05:23:21.492
- UTC End
- 2025-12-13 05:30:01.492
- MJD Start
- 61022.2245543
- MJD End
- 61022.22918392963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002646
- Ambient temperature (°C)
- 10.34
- Seeing (arcsec)
- 1.085
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 | 85.9860 | 86.2910 | 107.7000 | 109.2000 |
| A0-J2 | 129.0860 | 129.1490 | 90.0000 | 91.6000 |
| A0-K0 | 125.1860 | 124.8820 | 73.8810 | 75.4480 |
| G1-J2 | 53.9030 | 53.6760 | 61.1000 | 62.5000 |
| G1-K0 | 71.9640 | 71.6190 | 32.2060 | 33.3840 |
| J2-K0 | 35.9070 | 35.9960 | 345.7870 | 346.8060 |
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 | 61022.2245543 |
| 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 | 85.986 |
| HIERARCH ESO ISS PBL12 END | 86.291 |
| HIERARCH ESO ISS PBLA12 START | 107.7 |
| HIERARCH ESO ISS PBLA12 END | 109.2 |
| HIERARCH ESO ISS PBL13 START | 129.086 |
| HIERARCH ESO ISS PBL13 END | 129.149 |
| HIERARCH ESO ISS PBLA13 START | 90.0 |
| HIERARCH ESO ISS PBLA13 END | 91.6 |
| HIERARCH ESO ISS PBL14 START | 125.186 |
| HIERARCH ESO ISS PBL14 END | 124.882 |
| HIERARCH ESO ISS PBLA14 START | 73.881 |
| HIERARCH ESO ISS PBLA14 END | 75.448 |
| HIERARCH ESO ISS PBL23 START | 53.903 |
| HIERARCH ESO ISS PBL23 END | 53.676 |
| HIERARCH ESO ISS PBLA23 START | 61.1 |
| HIERARCH ESO ISS PBLA23 END | 62.5 |
| HIERARCH ESO ISS PBL24 START | 71.964 |
| HIERARCH ESO ISS PBL24 END | 71.619 |
| HIERARCH ESO ISS PBLA24 START | 32.206 |
| HIERARCH ESO ISS PBLA24 END | 33.384 |
| HIERARCH ESO ISS PBL34 START | 35.907 |
| HIERARCH ESO ISS PBL34 END | 35.996 |
| HIERARCH ESO ISS PBLA34 START | 345.787 |
| HIERARCH ESO ISS PBLA34 END | 346.806 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002927 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002365 |
| HIERARCH ESO ISS AMBI TEMP | 10.34 |
| HIERARCH ESO ISS AMBI FWHM START | 1.13 |
| HIERARCH ESO ISS AMBI FWHM END | 1.04 |