Exposure
- ID
- GRAVI.2025-11-12T05:27:06.691_1
- Header ID
- GRAVI.2025-11-12T05:27:06.691
- Date updated
- 2025-11-12 05:35:55 UTC+0000
- Release date
- 2026-11-12 05:35:54 UTC+0000
- UTC Start
- 2025-11-12 05:27:06.691
- UTC End
- 2025-11-12 05:28:26.691
- MJD Start
- 60991.22716078
- MJD End
- 60991.22808670592
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002046
- Ambient temperature (°C)
- 14.32
- Seeing (arcsec)
- 0.74
Observation
- ID
- 71554
- 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
- 53138
- Name
- 51_Eri
- RA
- 69.402903
- DEC
- -2.4734
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.1160 | 52.1840 | 25.2000 | 25.3000 |
| U1-U3 | 94.7670 | 94.9170 | 32.0000 | 32.2000 |
| U1-U4 | 124.7220 | 124.9590 | 61.1990 | 61.2760 |
| U2-U3 | 43.4680 | 43.5470 | 40.2000 | 40.4000 |
| U2-U4 | 88.0880 | 88.1970 | 81.5700 | 81.5980 |
| U3-U4 | 62.4540 | 62.4420 | 108.9480 | 108.9690 |
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 | 60991.22716078 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51 Eri |
| HIERARCH ESO INS SOBJ NAME | 51_Eri |
| RA | 69.402903 |
| 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 | 103.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 52.116 |
| HIERARCH ESO ISS PBL12 END | 52.184 |
| HIERARCH ESO ISS PBLA12 START | 25.2 |
| HIERARCH ESO ISS PBLA12 END | 25.3 |
| HIERARCH ESO ISS PBL13 START | 94.767 |
| HIERARCH ESO ISS PBL13 END | 94.917 |
| HIERARCH ESO ISS PBLA13 START | 32.0 |
| HIERARCH ESO ISS PBLA13 END | 32.2 |
| HIERARCH ESO ISS PBL14 START | 124.722 |
| HIERARCH ESO ISS PBL14 END | 124.959 |
| HIERARCH ESO ISS PBLA14 START | 61.199 |
| HIERARCH ESO ISS PBLA14 END | 61.276 |
| HIERARCH ESO ISS PBL23 START | 43.468 |
| HIERARCH ESO ISS PBL23 END | 43.547 |
| HIERARCH ESO ISS PBLA23 START | 40.2 |
| HIERARCH ESO ISS PBLA23 END | 40.4 |
| HIERARCH ESO ISS PBL24 START | 88.088 |
| HIERARCH ESO ISS PBL24 END | 88.197 |
| HIERARCH ESO ISS PBLA24 START | 81.57 |
| HIERARCH ESO ISS PBLA24 END | 81.598 |
| HIERARCH ESO ISS PBL34 START | 62.454 |
| HIERARCH ESO ISS PBL34 END | 62.442 |
| HIERARCH ESO ISS PBLA34 START | 108.948 |
| HIERARCH ESO ISS PBLA34 END | 108.969 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002135 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001957 |
| HIERARCH ESO ISS AMBI TEMP | 14.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | 51_Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |