Exposure
- ID
- PIONI.2025-10-31T05:16:47.985_1
- Header ID
- PIONI.2025-10-31T05:16:47.985
- 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 05:16:47.985
- UTC End
- 2025-10-31 05:17:26.385
- MJD Start
- 60979.2199998288
- MJD End
- 60979.22044427324
- Exposure time (s)
- 38.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003692
- Ambient temperature (°C)
- 13.16
- Seeing (arcsec)
- 0.57
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 | 89.5430 | 89.5810 | 112.1000 | 112.1000 |
| A0-J2 | 127.5690 | 127.6350 | 88.6000 | 88.7000 |
| A0-K0 | 126.5340 | 126.5900 | 66.5520 | 66.6460 |
| G1-J2 | 57.7440 | 57.7620 | 50.5000 | 50.6000 |
| G1-K0 | 90.2840 | 90.2910 | 21.5110 | 21.6050 |
| J2-K0 | 48.6260 | 48.6280 | 346.3860 | 346.4640 |
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 | 60979.2199998288 |
| 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 | 89.543 |
| HIERARCH ESO ISS PBL12 END | 89.581 |
| HIERARCH ESO ISS PBLA12 START | 112.1 |
| HIERARCH ESO ISS PBLA12 END | 112.1 |
| HIERARCH ESO ISS PBL13 START | 127.569 |
| HIERARCH ESO ISS PBL13 END | 127.635 |
| HIERARCH ESO ISS PBLA13 START | 88.6 |
| HIERARCH ESO ISS PBLA13 END | 88.7 |
| HIERARCH ESO ISS PBL14 START | 126.534 |
| HIERARCH ESO ISS PBL14 END | 126.59 |
| HIERARCH ESO ISS PBLA14 START | 66.552 |
| HIERARCH ESO ISS PBLA14 END | 66.646 |
| HIERARCH ESO ISS PBL23 START | 57.744 |
| HIERARCH ESO ISS PBL23 END | 57.762 |
| HIERARCH ESO ISS PBLA23 START | 50.5 |
| HIERARCH ESO ISS PBLA23 END | 50.6 |
| HIERARCH ESO ISS PBL24 START | 90.284 |
| HIERARCH ESO ISS PBL24 END | 90.291 |
| HIERARCH ESO ISS PBLA24 START | 21.511 |
| HIERARCH ESO ISS PBLA24 END | 21.605 |
| HIERARCH ESO ISS PBL34 START | 48.626 |
| HIERARCH ESO ISS PBL34 END | 48.628 |
| HIERARCH ESO ISS PBLA34 START | 346.386 |
| HIERARCH ESO ISS PBLA34 END | 346.464 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003692 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003692 |
| HIERARCH ESO ISS AMBI TEMP | 13.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |