Exposure
- ID
- PIONI.2021-11-04T05:47:23.555_1
- Header ID
- PIONI.2021-11-04T05:47:23.555
- Date updated
- 2021-11-04 05:55:40 UTC+0000
- Release date
- 2021-11-04 05:47:23 UTC+0000
- UTC Start
- 2021-11-04 05:47:23.555
- UTC End
- 2021-11-04 05:47:49.155
- MJD Start
- 59522.241244847
- MJD End
- 59522.2415411433
- Exposure time (s)
- 25.6
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007624
- Ambient temperature (°C)
- 10.88
- Seeing (arcsec)
- 0.44
Observation
- ID
- 48736
- Category
- calibrator
- Program ID
- 108.227F.001
- Program Title
- THE FIRST INTERFEROMETRIC IMAGE OF A SUNLIKE STAR: EPS ERIDANI
- Program Type
- Normal
- PI / COI
- ROETTENBACHER/ KORHONEN/ FISCHER/ DAVIES
Target
- ID
- 36500
- Name
- tau02 Eri
- RA
- 42.758876
- DEC
- -21.0041
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| K0-B2 | 119.5260 | 119.4670 | 245.2000 | 245.3000 |
| K0-D0 | 93.0600 | 93.0030 | 256.7000 | 256.8000 |
| K0-J3 | 55.7640 | 55.7560 | 340.6950 | 340.7710 |
| B2-D0 | 33.8310 | 33.8270 | 32.1000 | 32.1000 |
| B2-J3 | 136.6140 | 136.5870 | 41.2660 | 41.3070 |
| D0-J3 | 103.3570 | 103.3330 | 44.2590 | 44.2990 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.227F.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | FRINGE,OBJECT |
| MJD-OBS | 59522.241244847 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | tau02 Eri |
| RA | 42.758876 |
| DEC | -21.0041 |
| 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 | K0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | J3 |
| EXPTIME | 25.6 |
| HIERARCH ESO DET DIT | 0.0005 |
| HIERARCH ESO DET NDIT | 51200 |
| HIERARCH ESO ISS PBL12 START | 119.526 |
| HIERARCH ESO ISS PBL12 END | 119.467 |
| HIERARCH ESO ISS PBLA12 START | 245.2 |
| HIERARCH ESO ISS PBLA12 END | 245.3 |
| HIERARCH ESO ISS PBL13 START | 93.06 |
| HIERARCH ESO ISS PBL13 END | 93.003 |
| HIERARCH ESO ISS PBLA13 START | 256.7 |
| HIERARCH ESO ISS PBLA13 END | 256.8 |
| HIERARCH ESO ISS PBL14 START | 55.764 |
| HIERARCH ESO ISS PBL14 END | 55.756 |
| HIERARCH ESO ISS PBLA14 START | 340.695 |
| HIERARCH ESO ISS PBLA14 END | 340.771 |
| HIERARCH ESO ISS PBL23 START | 33.831 |
| HIERARCH ESO ISS PBL23 END | 33.827 |
| HIERARCH ESO ISS PBLA23 START | 32.1 |
| HIERARCH ESO ISS PBLA23 END | 32.1 |
| HIERARCH ESO ISS PBL24 START | 136.614 |
| HIERARCH ESO ISS PBL24 END | 136.587 |
| HIERARCH ESO ISS PBLA24 START | 41.266 |
| HIERARCH ESO ISS PBLA24 END | 41.307 |
| HIERARCH ESO ISS PBL34 START | 103.357 |
| HIERARCH ESO ISS PBL34 END | 103.333 |
| HIERARCH ESO ISS PBLA34 START | 44.259 |
| HIERARCH ESO ISS PBLA34 END | 44.299 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007745 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007503 |
| HIERARCH ESO ISS AMBI TEMP | 10.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |