Exposure
- ID
- GRAVI.2025-09-21T07:48:01.756_1
- Header ID
- GRAVI.2025-09-21T07:48:01.756
- Date updated
- 2025-09-21 08:00:57 UTC+0000
- Release date
- 2025-09-21 07:48:01 UTC+0000
- UTC Start
- 2025-09-21 07:48:01.756
- UTC End
- 2025-09-21 07:54:01.756
- MJD Start
- 60939.32502032
- MJD End
- 60939.329186986666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002914
- Ambient temperature (°C)
- 10.09
- Seeing (arcsec)
- 0.73
Observation
- ID
- 70481
- 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
- 52264
- Name
- HD_28690
- RA
- 67.067971
- DEC
- -56.01681
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 82.6520 | 83.2660 | 96.9000 | 129.0000 |
| A0-J2 | 126.1020 | 126.5670 | 75.5000 | 107.7000 |
| A0-K0 | 127.9770 | 127.9790 | 57.2570 | 89.4520 |
| G1-J2 | 57.5910 | 57.4740 | 44.0000 | 76.1000 |
| G1-K0 | 83.1120 | 82.8720 | 17.9300 | 49.7260 |
| J2-K0 | 40.3500 | 40.4830 | 339.0210 | 10.5770 |
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 | 60939.32502032 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 28690 |
| HIERARCH ESO INS SOBJ NAME | HD_28690 |
| RA | 67.067971 |
| DEC | -56.01681 |
| 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 | 82.652 |
| HIERARCH ESO ISS PBL12 END | 83.266 |
| HIERARCH ESO ISS PBLA12 START | 96.9 |
| HIERARCH ESO ISS PBLA12 END | 129.0 |
| HIERARCH ESO ISS PBL13 START | 126.102 |
| HIERARCH ESO ISS PBL13 END | 126.567 |
| HIERARCH ESO ISS PBLA13 START | 75.5 |
| HIERARCH ESO ISS PBLA13 END | 107.7 |
| HIERARCH ESO ISS PBL14 START | 127.977 |
| HIERARCH ESO ISS PBL14 END | 127.979 |
| HIERARCH ESO ISS PBLA14 START | 57.257 |
| HIERARCH ESO ISS PBLA14 END | 89.452 |
| HIERARCH ESO ISS PBL23 START | 57.591 |
| HIERARCH ESO ISS PBL23 END | 57.474 |
| HIERARCH ESO ISS PBLA23 START | 44.0 |
| HIERARCH ESO ISS PBLA23 END | 76.1 |
| HIERARCH ESO ISS PBL24 START | 83.112 |
| HIERARCH ESO ISS PBL24 END | 82.872 |
| HIERARCH ESO ISS PBLA24 START | 17.93 |
| HIERARCH ESO ISS PBLA24 END | 49.726 |
| HIERARCH ESO ISS PBL34 START | 40.35 |
| HIERARCH ESO ISS PBL34 END | 40.483 |
| HIERARCH ESO ISS PBLA34 START | 339.021 |
| HIERARCH ESO ISS PBLA34 END | 10.577 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002873 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002955 |
| HIERARCH ESO ISS AMBI TEMP | 10.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |