Exposure
- ID
- GRAVI.2024-11-03T07:03:09.721_1
- Header ID
- GRAVI.2024-11-03T07:03:09.721
- Date updated
- 2024-11-03 07:20:26 UTC+0000
- Release date
- 2025-11-03 07:20:26 UTC+0000
- UTC Start
- 2024-11-03 07:03:09.721
- UTC End
- 2024-11-03 07:08:45.721
- MJD Start
- 60617.29386251
- MJD End
- 60617.2977513989
- Exposure time (s)
- 336.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075715
- Ambient temperature (°C)
- 13.37
- Seeing (arcsec)
- 0.655
Observation
- ID
- 61411
- Category
- science
- Program ID
- 114.27JH.001
- Program Title
- OBTAINING AN INTERFEROMETRIC IMAGE OF THE ACTIVE STAR EPS ERI WITH VLTI AND THE CHARA ARRAY
- Program Type
- Normal
- PI / COI
- ROETTENBACHER / KORHONEN / MONNIER
Target
- ID
- 45638
- Name
- eps_Eri
- RA
- 53.227245
- DEC
- -9.45817
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G2 | 67.2580 | 66.9720 | 55.5000 | 55.6000 |
| A0-D0 | 30.3250 | 30.0470 | 74.9000 | 75.0000 |
| A0-J3 | 131.0680 | 130.6390 | 51.4860 | 51.5930 |
| G2-D0 | 39.9430 | 39.9040 | 220.9000 | 221.1000 |
| G2-J3 | 64.1510 | 64.0030 | 47.2590 | 47.3930 |
| D0-J3 | 103.9430 | 103.7590 | 44.8260 | 44.9800 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.27JH.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60617.29386251 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | eps Eri |
| HIERARCH ESO INS SOBJ NAME | eps_Eri |
| RA | 53.227245 |
| DEC | -9.45817 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | J3 |
| EXPTIME | 379.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 112 |
| HIERARCH ESO ISS PBL12 START | 67.258 |
| HIERARCH ESO ISS PBL12 END | 66.972 |
| HIERARCH ESO ISS PBLA12 START | 55.5 |
| HIERARCH ESO ISS PBLA12 END | 55.6 |
| HIERARCH ESO ISS PBL13 START | 30.325 |
| HIERARCH ESO ISS PBL13 END | 30.047 |
| HIERARCH ESO ISS PBLA13 START | 74.9 |
| HIERARCH ESO ISS PBLA13 END | 75.0 |
| HIERARCH ESO ISS PBL14 START | 131.068 |
| HIERARCH ESO ISS PBL14 END | 130.639 |
| HIERARCH ESO ISS PBLA14 START | 51.486 |
| HIERARCH ESO ISS PBLA14 END | 51.593 |
| HIERARCH ESO ISS PBL23 START | 39.943 |
| HIERARCH ESO ISS PBL23 END | 39.904 |
| HIERARCH ESO ISS PBLA23 START | 220.9 |
| HIERARCH ESO ISS PBLA23 END | 221.1 |
| HIERARCH ESO ISS PBL24 START | 64.151 |
| HIERARCH ESO ISS PBL24 END | 64.003 |
| HIERARCH ESO ISS PBLA24 START | 47.259 |
| HIERARCH ESO ISS PBLA24 END | 47.393 |
| HIERARCH ESO ISS PBL34 START | 103.943 |
| HIERARCH ESO ISS PBL34 END | 103.759 |
| HIERARCH ESO ISS PBLA34 START | 44.826 |
| HIERARCH ESO ISS PBLA34 END | 44.98 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008992 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006151 |
| HIERARCH ESO ISS AMBI TEMP | 13.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |