Exposure
- ID
- PIONI.2025-12-03T08:25:35.461_1
- Header ID
- PIONI.2025-12-03T08:25:35.461
- Date updated
- 2025-12-03 08:31:02 UTC+0000
- Release date
- 2026-12-03 08:31:02 UTC+0000
- UTC Start
- 2025-12-03 08:25:35.461
- UTC End
- 2025-12-03 08:26:13.861
- MJD Start
- 61012.3511048681
- MJD End
- 61012.351549312545
- Exposure time (s)
- 38.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040765
- Ambient temperature (°C)
- 13.8
- Seeing (arcsec)
- 0.94
Observation
- ID
- 71970
- 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
- 53431
- Name
- phi01 Ori
- RA
- 83.704045
- DEC
- 9.48957
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 52.5430 | 52.3170 | 117.5000 | 117.6000 |
| A0-J2 | 90.9600 | 90.6450 | 84.0000 | 84.0000 |
| A0-K0 | 110.2730 | 110.0720 | 63.4980 | 63.4130 |
| G1-J2 | 55.3410 | 55.2920 | 52.4000 | 52.3000 |
| G1-K0 | 90.0610 | 90.0780 | 35.3250 | 35.3070 |
| J2-K0 | 40.5690 | 40.5880 | 11.6810 | 11.7760 |
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 | 61012.3511048681 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | phi01 Ori |
| RA | 83.704045 |
| DEC | 9.48957 |
| 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 | 52.543 |
| HIERARCH ESO ISS PBL12 END | 52.317 |
| HIERARCH ESO ISS PBLA12 START | 117.5 |
| HIERARCH ESO ISS PBLA12 END | 117.6 |
| HIERARCH ESO ISS PBL13 START | 90.96 |
| HIERARCH ESO ISS PBL13 END | 90.645 |
| HIERARCH ESO ISS PBLA13 START | 84.0 |
| HIERARCH ESO ISS PBLA13 END | 84.0 |
| HIERARCH ESO ISS PBL14 START | 110.273 |
| HIERARCH ESO ISS PBL14 END | 110.072 |
| HIERARCH ESO ISS PBLA14 START | 63.498 |
| HIERARCH ESO ISS PBLA14 END | 63.413 |
| HIERARCH ESO ISS PBL23 START | 55.341 |
| HIERARCH ESO ISS PBL23 END | 55.292 |
| HIERARCH ESO ISS PBLA23 START | 52.4 |
| HIERARCH ESO ISS PBLA23 END | 52.3 |
| HIERARCH ESO ISS PBL24 START | 90.061 |
| HIERARCH ESO ISS PBL24 END | 90.078 |
| HIERARCH ESO ISS PBLA24 START | 35.325 |
| HIERARCH ESO ISS PBLA24 END | 35.307 |
| HIERARCH ESO ISS PBL34 START | 40.569 |
| HIERARCH ESO ISS PBL34 END | 40.588 |
| HIERARCH ESO ISS PBLA34 START | 11.681 |
| HIERARCH ESO ISS PBLA34 END | 11.776 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004346 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003807 |
| HIERARCH ESO ISS AMBI TEMP | 13.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.97 |