Exposure
- ID
- PIONI.2025-10-31T05:17:38.548_1
- Header ID
- PIONI.2025-10-31T05:17:38.548
- Date updated
- 2025-10-31 05:25:48 UTC+0000
- Release date
- 2026-10-31 05:25:47 UTC+0000
- UTC Start
- 2025-10-31 05:17:38.549
- UTC End
- 2025-10-31 05:18:16.949
- MJD Start
- 60979.2205850543
- MJD End
- 60979.221029498745
- Exposure time (s)
- 38.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003313
- Ambient temperature (°C)
- 13.16
- Seeing (arcsec)
- 0.6
Observation
- ID
- 71073
- Category
- science
- Program ID
- 116.290A.001
- Program Title
- CONSTRAINING ASTEROSEISMIC MODELS OF MASSIVE OB STARS USING HIGH-PRECISION INTERFEROMETRY
- Program Type
- Normal
- PI / COI
- VRANCKEN / DESHMUKH / SANA / TKACHENKO / AERTS / KLIAPETS
Target
- ID
- 52753
- Name
- tau08 Eri
- RA
- 58.426892
- DEC
- -24.61227
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 89.5830 | 89.6210 | 112.1000 | 112.2000 |
| A0-J2 | 127.6370 | 127.7020 | 88.7000 | 88.8000 |
| A0-K0 | 126.5920 | 126.6480 | 66.6500 | 66.7460 |
| G1-J2 | 57.7630 | 57.7810 | 50.6000 | 50.7000 |
| G1-K0 | 90.2910 | 90.2980 | 21.6090 | 21.7050 |
| J2-K0 | 48.6280 | 48.6290 | 346.4670 | 346.5460 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.290A.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | FRINGE,OBJECT |
| MJD-OBS | 60979.2205850543 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | tau08 Eri |
| RA | 58.426892 |
| DEC | -24.61227 |
| HIERARCH ESO INS OPTI2 NAME | GRISM |
| HIERARCH ESO INS OPTI2 ID | GRISM |
| HIERARCH ESO INS FILT1 NAME | H |
| 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 |
| HIERARCH ESO DET DIT | 0.00075 |
| HIERARCH ESO DET NDIT | 51200 |
| HIERARCH ESO ISS PBL12 START | 89.583 |
| HIERARCH ESO ISS PBL12 END | 89.621 |
| HIERARCH ESO ISS PBLA12 START | 112.1 |
| HIERARCH ESO ISS PBLA12 END | 112.2 |
| HIERARCH ESO ISS PBL13 START | 127.637 |
| HIERARCH ESO ISS PBL13 END | 127.702 |
| HIERARCH ESO ISS PBLA13 START | 88.7 |
| HIERARCH ESO ISS PBLA13 END | 88.8 |
| HIERARCH ESO ISS PBL14 START | 126.592 |
| HIERARCH ESO ISS PBL14 END | 126.648 |
| HIERARCH ESO ISS PBLA14 START | 66.65 |
| HIERARCH ESO ISS PBLA14 END | 66.746 |
| HIERARCH ESO ISS PBL23 START | 57.763 |
| HIERARCH ESO ISS PBL23 END | 57.781 |
| HIERARCH ESO ISS PBLA23 START | 50.6 |
| HIERARCH ESO ISS PBLA23 END | 50.7 |
| HIERARCH ESO ISS PBL24 START | 90.291 |
| HIERARCH ESO ISS PBL24 END | 90.298 |
| HIERARCH ESO ISS PBLA24 START | 21.609 |
| HIERARCH ESO ISS PBLA24 END | 21.705 |
| HIERARCH ESO ISS PBL34 START | 48.628 |
| HIERARCH ESO ISS PBL34 END | 48.629 |
| HIERARCH ESO ISS PBLA34 START | 346.467 |
| HIERARCH ESO ISS PBLA34 END | 346.546 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003692 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002934 |
| HIERARCH ESO ISS AMBI TEMP | 13.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |