Exposure
- ID
- PIONI.2021-11-02T03:31:25.322_1
- Header ID
- PIONI.2021-11-02T03:31:25.322
- Date updated
- 2021-11-02 03:36:16 UTC+0000
- Release date
- 2022-11-02 03:36:16 UTC+0000
- UTC Start
- 2021-11-02 03:31:25.322
- UTC End
- 2021-11-02 03:31:50.922
- MJD Start
- 59520.1468208553
- MJD End
- 59520.1471171516
- Exposure time (s)
- 25.6
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037945
- Ambient temperature (°C)
- 11.84
- Seeing (arcsec)
- 0.765
Observation
- ID
- 48709
- Category
- science
- 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
- 36480
- Name
- eps Eri
- RA
- 53.226763
- DEC
- -9.45816
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.0920 | 25.0980 | 135.8000 | 135.8000 |
| A0-D0 | 27.2150 | 27.2530 | 63.0000 | 63.0000 |
| A0-C1 | 21.2520 | 21.2700 | 111.7230 | 111.7270 |
| B2-D0 | 31.0840 | 31.0910 | 12.5000 | 12.6000 |
| B2-C1 | 10.3560 | 10.3580 | 12.4650 | 12.5500 |
| D0-C1 | 20.7280 | 20.7330 | 192.5280 | 192.6140 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.227F.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | FRINGE,OBJECT |
| MJD-OBS | 59520.1468208553 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | eps Eri |
| RA | 53.226763 |
| DEC | -9.45816 |
| 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 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 25.6 |
| HIERARCH ESO DET DIT | 0.0005 |
| HIERARCH ESO DET NDIT | 51200 |
| HIERARCH ESO ISS PBL12 START | 25.092 |
| HIERARCH ESO ISS PBL12 END | 25.098 |
| HIERARCH ESO ISS PBLA12 START | 135.8 |
| HIERARCH ESO ISS PBLA12 END | 135.8 |
| HIERARCH ESO ISS PBL13 START | 27.215 |
| HIERARCH ESO ISS PBL13 END | 27.253 |
| HIERARCH ESO ISS PBLA13 START | 63.0 |
| HIERARCH ESO ISS PBLA13 END | 63.0 |
| HIERARCH ESO ISS PBL14 START | 21.252 |
| HIERARCH ESO ISS PBL14 END | 21.27 |
| HIERARCH ESO ISS PBLA14 START | 111.723 |
| HIERARCH ESO ISS PBLA14 END | 111.727 |
| HIERARCH ESO ISS PBL23 START | 31.084 |
| HIERARCH ESO ISS PBL23 END | 31.091 |
| HIERARCH ESO ISS PBLA23 START | 12.5 |
| HIERARCH ESO ISS PBLA23 END | 12.6 |
| HIERARCH ESO ISS PBL24 START | 10.356 |
| HIERARCH ESO ISS PBL24 END | 10.358 |
| HIERARCH ESO ISS PBLA24 START | 12.465 |
| HIERARCH ESO ISS PBLA24 END | 12.55 |
| HIERARCH ESO ISS PBL34 START | 20.728 |
| HIERARCH ESO ISS PBL34 END | 20.733 |
| HIERARCH ESO ISS PBLA34 START | 192.528 |
| HIERARCH ESO ISS PBLA34 END | 192.614 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003588 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004001 |
| HIERARCH ESO ISS AMBI TEMP | 11.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |