Exposure
- ID
- GRAVI.2025-09-20T06:02:04.443_1
- Header ID
- GRAVI.2025-09-20T06:02:04.443
- Date updated
- 2025-09-20 06:15:48 UTC+0000
- Release date
- 2025-09-20 06:02:04 UTC+0000
- UTC Start
- 2025-09-20 06:02:04.443
- UTC End
- 2025-09-20 06:08:04.443
- MJD Start
- 60938.25144031
- MJD End
- 60938.255606976665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031435
- Ambient temperature (°C)
- 13.68
- Seeing (arcsec)
- 0.64
Observation
- ID
- 70471
- 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
- 52257
- Name
- HD_26027
- RA
- 60.820563
- DEC
- -63.58453
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 74.9490 | 75.5420 | 73.8000 | 75.3000 |
| A0-J2 | 122.1000 | 122.5160 | 53.9000 | 55.4000 |
| A0-K0 | 127.7530 | 127.8080 | 38.4000 | 39.8350 |
| G1-J2 | 57.6220 | 57.5720 | 27.5000 | 28.9000 |
| G1-K0 | 79.5590 | 79.5060 | 5.3260 | 6.3530 |
| J2-K0 | 34.0860 | 34.3230 | 325.6010 | 326.4190 |
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 | 60938.25144031 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 26027 |
| HIERARCH ESO INS SOBJ NAME | HD_26027 |
| RA | 60.820563 |
| DEC | -63.58453 |
| 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 | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 74.949 |
| HIERARCH ESO ISS PBL12 END | 75.542 |
| HIERARCH ESO ISS PBLA12 START | 73.8 |
| HIERARCH ESO ISS PBLA12 END | 75.3 |
| HIERARCH ESO ISS PBL13 START | 122.1 |
| HIERARCH ESO ISS PBL13 END | 122.516 |
| HIERARCH ESO ISS PBLA13 START | 53.9 |
| HIERARCH ESO ISS PBLA13 END | 55.4 |
| HIERARCH ESO ISS PBL14 START | 127.753 |
| HIERARCH ESO ISS PBL14 END | 127.808 |
| HIERARCH ESO ISS PBLA14 START | 38.4 |
| HIERARCH ESO ISS PBLA14 END | 39.835 |
| HIERARCH ESO ISS PBL23 START | 57.622 |
| HIERARCH ESO ISS PBL23 END | 57.572 |
| HIERARCH ESO ISS PBLA23 START | 27.5 |
| HIERARCH ESO ISS PBLA23 END | 28.9 |
| HIERARCH ESO ISS PBL24 START | 79.559 |
| HIERARCH ESO ISS PBL24 END | 79.506 |
| HIERARCH ESO ISS PBLA24 START | 5.326 |
| HIERARCH ESO ISS PBLA24 END | 6.353 |
| HIERARCH ESO ISS PBL34 START | 34.086 |
| HIERARCH ESO ISS PBL34 END | 34.323 |
| HIERARCH ESO ISS PBLA34 START | 325.601 |
| HIERARCH ESO ISS PBLA34 END | 326.419 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002977 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00331 |
| HIERARCH ESO ISS AMBI TEMP | 13.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |