Exposure
- ID
- GRAVI.2025-11-12T05:29:45.698_1
- Header ID
- GRAVI.2025-11-12T05:29:45.698
- Date updated
- 2025-11-12 05:46:15 UTC+0000
- Release date
- 2026-11-12 05:46:15 UTC+0000
- UTC Start
- 2025-11-12 05:29:45.698
- UTC End
- 2025-11-12 05:36:25.698
- MJD Start
- 60991.22900114
- MJD End
- 60991.233630769624
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002053
- Ambient temperature (°C)
- 14.37
- Seeing (arcsec)
- 0.765
Observation
- ID
- 71555
- 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
- 53139
- Name
- 51_Eri
- RA
- 69.402908
- DEC
- -2.4734
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.2250 | 52.5080 | 25.4000 | 26.2000 |
| U1-U3 | 95.0060 | 95.6210 | 32.3000 | 32.9000 |
| U1-U4 | 125.0980 | 126.0200 | 61.3220 | 61.6240 |
| U2-U3 | 43.5940 | 43.9150 | 40.4000 | 41.0000 |
| U2-U4 | 88.2600 | 88.6540 | 81.6150 | 81.7260 |
| U3-U4 | 62.4340 | 62.3450 | 108.9820 | 109.0840 |
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 | 60991.22900114 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51 Eri |
| HIERARCH ESO INS SOBJ NAME | 51_Eri |
| RA | 69.402908 |
| DEC | -2.4734 |
| 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 | 52.225 |
| HIERARCH ESO ISS PBL12 END | 52.508 |
| HIERARCH ESO ISS PBLA12 START | 25.4 |
| HIERARCH ESO ISS PBLA12 END | 26.2 |
| HIERARCH ESO ISS PBL13 START | 95.006 |
| HIERARCH ESO ISS PBL13 END | 95.621 |
| HIERARCH ESO ISS PBLA13 START | 32.3 |
| HIERARCH ESO ISS PBLA13 END | 32.9 |
| HIERARCH ESO ISS PBL14 START | 125.098 |
| HIERARCH ESO ISS PBL14 END | 126.02 |
| HIERARCH ESO ISS PBLA14 START | 61.322 |
| HIERARCH ESO ISS PBLA14 END | 61.624 |
| HIERARCH ESO ISS PBL23 START | 43.594 |
| HIERARCH ESO ISS PBL23 END | 43.915 |
| HIERARCH ESO ISS PBLA23 START | 40.4 |
| HIERARCH ESO ISS PBLA23 END | 41.0 |
| HIERARCH ESO ISS PBL24 START | 88.26 |
| HIERARCH ESO ISS PBL24 END | 88.654 |
| HIERARCH ESO ISS PBLA24 START | 81.615 |
| HIERARCH ESO ISS PBLA24 END | 81.726 |
| HIERARCH ESO ISS PBL34 START | 62.434 |
| HIERARCH ESO ISS PBL34 END | 62.345 |
| HIERARCH ESO ISS PBLA34 START | 108.982 |
| HIERARCH ESO ISS PBLA34 END | 109.084 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001957 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002149 |
| HIERARCH ESO ISS AMBI TEMP | 14.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | 51_Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |