Exposure
- ID
- GRAVI.2025-11-12T05:37:06.717_1
- Header ID
- GRAVI.2025-11-12T05:37:06.717
- Date updated
- 2025-11-12 05:50:58 UTC+0000
- Release date
- 2026-11-12 05:50:58 UTC+0000
- UTC Start
- 2025-11-12 05:37:06.717
- UTC End
- 2025-11-12 05:43:46.717
- MJD Start
- 60991.23410552
- MJD End
- 60991.23873514963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033699999999999997
- Ambient temperature (°C)
- 14.34
- Seeing (arcsec)
- 0.69
Observation
- ID
- 71556
- Category
- science
- Program ID
- 116.293L.002
- Program Title
- THE VLTI/GRAVITY+ AND MATISSE EXOPLANET EXTRAVAGANZA
- Program Type
- GTO
- PI / COI
- KREIDBERG / BRANDNER / LE BOUQUIN / TREVASCUS / SAUTER / LACOUR / MOLLIERE / SAMLAND / HOULLÉ / MILLOUR / BAILER-JONES / ROUSSELET-PERRAUT / PERRIN / EISENHAUER / PAUMARD / STRAUBMEIER / GARCIA / HOENIG / LUTZ / SPEZZANO / BERIO / SCIGLIUTO / LOPEZ / DEFR
Target
- ID
- 53140
- Name
- 51_Eri
- RA
- 69.40291
- DEC
- -2.47342
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.5230 | 52.8020 | 26.2000 | 26.9000 |
| U1-U3 | 95.6530 | 96.2490 | 32.9000 | 33.6000 |
| U1-U4 | 126.0660 | 126.8950 | 61.6400 | 61.9150 |
| U2-U3 | 43.9310 | 44.2370 | 41.0000 | 41.6000 |
| U2-U4 | 88.6730 | 88.9820 | 81.7320 | 81.8350 |
| U3-U4 | 62.3390 | 62.1970 | 109.0900 | 109.2090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.293L.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60991.23410552 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51 Eri |
| HIERARCH ESO INS SOBJ NAME | 51_Eri |
| RA | 69.40291 |
| DEC | -2.47342 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 52.523 |
| HIERARCH ESO ISS PBL12 END | 52.802 |
| HIERARCH ESO ISS PBLA12 START | 26.2 |
| HIERARCH ESO ISS PBLA12 END | 26.9 |
| HIERARCH ESO ISS PBL13 START | 95.653 |
| HIERARCH ESO ISS PBL13 END | 96.249 |
| HIERARCH ESO ISS PBLA13 START | 32.9 |
| HIERARCH ESO ISS PBLA13 END | 33.6 |
| HIERARCH ESO ISS PBL14 START | 126.066 |
| HIERARCH ESO ISS PBL14 END | 126.895 |
| HIERARCH ESO ISS PBLA14 START | 61.64 |
| HIERARCH ESO ISS PBLA14 END | 61.915 |
| HIERARCH ESO ISS PBL23 START | 43.931 |
| HIERARCH ESO ISS PBL23 END | 44.237 |
| HIERARCH ESO ISS PBLA23 START | 41.0 |
| HIERARCH ESO ISS PBLA23 END | 41.6 |
| HIERARCH ESO ISS PBL24 START | 88.673 |
| HIERARCH ESO ISS PBL24 END | 88.982 |
| HIERARCH ESO ISS PBLA24 START | 81.732 |
| HIERARCH ESO ISS PBLA24 END | 81.835 |
| HIERARCH ESO ISS PBL34 START | 62.339 |
| HIERARCH ESO ISS PBL34 END | 62.197 |
| HIERARCH ESO ISS PBLA34 START | 109.09 |
| HIERARCH ESO ISS PBLA34 END | 109.209 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002149 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004591 |
| HIERARCH ESO ISS AMBI TEMP | 14.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | 51_Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |