Exposure
- ID
- PIONI.2025-10-31T05:15:07.070_1
- Header ID
- PIONI.2025-10-31T05:15:07.070
- 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 05:15:07.070
- UTC End
- 2025-10-31 05:15:45.470
- MJD Start
- 60979.218831833
- MJD End
- 60979.21927627744
- Exposure time (s)
- 38.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035775
- Ambient temperature (°C)
- 13.19
- Seeing (arcsec)
- 0.585
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 | 89.4590 | 89.4990 | 111.9000 | 112.0000 |
| A0-J2 | 127.4280 | 127.4960 | 88.4000 | 88.5000 |
| A0-K0 | 126.4140 | 126.4720 | 66.3530 | 66.4480 |
| G1-J2 | 57.7040 | 57.7230 | 50.3000 | 50.4000 |
| G1-K0 | 90.2690 | 90.2760 | 21.3110 | 21.4060 |
| J2-K0 | 48.6240 | 48.6250 | 346.2220 | 346.3000 |
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 | 60979.218831833 |
| 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 | 89.459 |
| HIERARCH ESO ISS PBL12 END | 89.499 |
| HIERARCH ESO ISS PBLA12 START | 111.9 |
| HIERARCH ESO ISS PBLA12 END | 112.0 |
| HIERARCH ESO ISS PBL13 START | 127.428 |
| HIERARCH ESO ISS PBL13 END | 127.496 |
| HIERARCH ESO ISS PBLA13 START | 88.4 |
| HIERARCH ESO ISS PBLA13 END | 88.5 |
| HIERARCH ESO ISS PBL14 START | 126.414 |
| HIERARCH ESO ISS PBL14 END | 126.472 |
| HIERARCH ESO ISS PBLA14 START | 66.353 |
| HIERARCH ESO ISS PBLA14 END | 66.448 |
| HIERARCH ESO ISS PBL23 START | 57.704 |
| HIERARCH ESO ISS PBL23 END | 57.723 |
| HIERARCH ESO ISS PBLA23 START | 50.3 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 90.269 |
| HIERARCH ESO ISS PBL24 END | 90.276 |
| HIERARCH ESO ISS PBLA24 START | 21.311 |
| HIERARCH ESO ISS PBLA24 END | 21.406 |
| HIERARCH ESO ISS PBL34 START | 48.624 |
| HIERARCH ESO ISS PBL34 END | 48.625 |
| HIERARCH ESO ISS PBLA34 START | 346.222 |
| HIERARCH ESO ISS PBLA34 END | 346.3 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003463 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003692 |
| HIERARCH ESO ISS AMBI TEMP | 13.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |