Exposure
- ID
- GRAVI.2025-09-23T05:40:42.380_1
- Header ID
- GRAVI.2025-09-23T05:40:42.380
- Date updated
- 2025-09-23 05:50:49 UTC+0000
- Release date
- 2025-09-23 05:40:42 UTC+0000
- UTC Start
- 2025-09-23 05:40:42.380
- UTC End
- 2025-09-23 05:44:42.380
- MJD Start
- 60941.23660162
- MJD End
- 60941.23937939778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0086835
- Ambient temperature (°C)
- 12.91
- Seeing (arcsec)
- 0.305
Observation
- ID
- 70501
- Category
- calibrator
- Program ID
- 115.282L.002
- Program Title
- CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
- Program Type
- Normal
- PI / COI
- LU / KRAUS / GARDNER / BECK
Target
- ID
- 52279
- Name
- HD_26950
- RA
- 62.795853
- DEC
- -66.1868
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 74.1530 | 74.5140 | 67.8000 | 68.8000 |
| A0-J2 | 122.2350 | 122.4720 | 48.8000 | 49.9000 |
| A0-K0 | 127.8670 | 127.8890 | 34.3120 | 35.3050 |
| G1-J2 | 57.3750 | 57.3440 | 24.1000 | 25.0000 |
| G1-K0 | 77.6260 | 77.6090 | 2.5470 | 3.2670 |
| J2-K0 | 32.0990 | 32.2690 | 321.6060 | 322.1990 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.282L.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60941.23660162 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 26950 |
| HIERARCH ESO INS SOBJ NAME | HD_26950 |
| RA | 62.795853 |
| DEC | -66.1868 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 74.153 |
| HIERARCH ESO ISS PBL12 END | 74.514 |
| HIERARCH ESO ISS PBLA12 START | 67.8 |
| HIERARCH ESO ISS PBLA12 END | 68.8 |
| HIERARCH ESO ISS PBL13 START | 122.235 |
| HIERARCH ESO ISS PBL13 END | 122.472 |
| HIERARCH ESO ISS PBLA13 START | 48.8 |
| HIERARCH ESO ISS PBLA13 END | 49.9 |
| HIERARCH ESO ISS PBL14 START | 127.867 |
| HIERARCH ESO ISS PBL14 END | 127.889 |
| HIERARCH ESO ISS PBLA14 START | 34.312 |
| HIERARCH ESO ISS PBLA14 END | 35.305 |
| HIERARCH ESO ISS PBL23 START | 57.375 |
| HIERARCH ESO ISS PBL23 END | 57.344 |
| HIERARCH ESO ISS PBLA23 START | 24.1 |
| HIERARCH ESO ISS PBLA23 END | 25.0 |
| HIERARCH ESO ISS PBL24 START | 77.626 |
| HIERARCH ESO ISS PBL24 END | 77.609 |
| HIERARCH ESO ISS PBLA24 START | 2.547 |
| HIERARCH ESO ISS PBLA24 END | 3.267 |
| HIERARCH ESO ISS PBL34 START | 32.099 |
| HIERARCH ESO ISS PBL34 END | 32.269 |
| HIERARCH ESO ISS PBLA34 START | 321.606 |
| HIERARCH ESO ISS PBLA34 END | 322.199 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008318 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009049 |
| HIERARCH ESO ISS AMBI TEMP | 12.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.31 |
| HIERARCH ESO ISS AMBI FWHM END | 0.3 |