Exposure
- ID
- GRAVI.2025-08-25T08:31:49.089_1
- Header ID
- GRAVI.2025-08-25T08:31:49.089
- Date updated
- 2025-08-25 08:45:42 UTC+0000
- Release date
- 2026-08-25 08:45:42 UTC+0000
- UTC Start
- 2025-08-25 08:31:49.089
- UTC End
- 2025-08-25 08:38:29.089
- MJD Start
- 60912.35542927
- MJD End
- 60912.36005889963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024665
- Ambient temperature (°C)
- 8.75
- Seeing (arcsec)
- 1.175
Observation
- ID
- 70087
- Category
- science
- Program ID
- 115.282L.001
- Program Title
- CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
- Program Type
- Normal
- PI / COI
- LU / KRAUS / GARDNER / BECK
Target
- ID
- 52000
- Name
- HD_28898
- RA
- 66.865838
- DEC
- -69.75426
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 32.6420 | 32.9780 | 116.5000 | 117.8000 |
| A0-J2 | 125.5530 | 125.8240 | 58.2000 | 59.9000 |
| A0-J6 | 139.2190 | 139.0330 | 9.8810 | 11.0930 |
| B5-J2 | 111.8560 | 111.8130 | 43.9000 | 45.5000 |
| B5-J6 | 151.7910 | 151.8270 | 357.9890 | 359.0870 |
| J2-J6 | 109.1700 | 110.1750 | 310.6230 | 311.7880 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.282L.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60912.35542927 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 28898 |
| HIERARCH ESO INS SOBJ NAME | HD_28898 |
| RA | 66.865838 |
| DEC | -69.75426 |
| 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 | B5 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | J6 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 32.642 |
| HIERARCH ESO ISS PBL12 END | 32.978 |
| HIERARCH ESO ISS PBLA12 START | 116.5 |
| HIERARCH ESO ISS PBLA12 END | 117.8 |
| HIERARCH ESO ISS PBL13 START | 125.553 |
| HIERARCH ESO ISS PBL13 END | 125.824 |
| HIERARCH ESO ISS PBLA13 START | 58.2 |
| HIERARCH ESO ISS PBLA13 END | 59.9 |
| HIERARCH ESO ISS PBL14 START | 139.219 |
| HIERARCH ESO ISS PBL14 END | 139.033 |
| HIERARCH ESO ISS PBLA14 START | 9.881 |
| HIERARCH ESO ISS PBLA14 END | 11.093 |
| HIERARCH ESO ISS PBL23 START | 111.856 |
| HIERARCH ESO ISS PBL23 END | 111.813 |
| HIERARCH ESO ISS PBLA23 START | 43.9 |
| HIERARCH ESO ISS PBLA23 END | 45.5 |
| HIERARCH ESO ISS PBL24 START | 151.791 |
| HIERARCH ESO ISS PBL24 END | 151.827 |
| HIERARCH ESO ISS PBLA24 START | 357.989 |
| HIERARCH ESO ISS PBLA24 END | 359.087 |
| HIERARCH ESO ISS PBL34 START | 109.17 |
| HIERARCH ESO ISS PBL34 END | 110.175 |
| HIERARCH ESO ISS PBLA34 START | 310.623 |
| HIERARCH ESO ISS PBLA34 END | 311.788 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002688 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002245 |
| HIERARCH ESO ISS AMBI TEMP | 8.75 |
| HIERARCH ESO ISS AMBI FWHM START | 1.07 |
| HIERARCH ESO ISS AMBI FWHM END | 1.28 |