Exposure
- ID
- GRAVI.2025-11-12T04:42:24.578_2
- Header ID
- GRAVI.2025-11-12T04:42:24.578
- Date updated
- 2025-11-12 05:01:04 UTC+0000
- Release date
- 2026-11-12 05:01:04 UTC+0000
- UTC Start
- 2025-11-12 04:42:24.578
- UTC End
- 2025-11-12 04:49:04.578
- MJD Start
- 60991.1961178
- MJD End
- 60991.200747429626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003661
- Ambient temperature (°C)
- 14.15
- Seeing (arcsec)
- 0.7749999999999999
Observation
- ID
- 71546
- 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
- 45803
- Name
- 51_Eri
- RA
- 69.40055416666667
- DEC
- -2.473548611111111
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.3210 | 50.5910 | 19.8000 | 20.7000 |
| U1-U3 | 90.5800 | 91.2410 | 26.9000 | 27.8000 |
| U1-U4 | 116.6430 | 118.1090 | 58.4940 | 59.0020 |
| U2-U3 | 41.1200 | 41.5080 | 35.7000 | 36.5000 |
| U2-U4 | 83.4890 | 84.4140 | 80.6120 | 80.7900 |
| U3-U4 | 61.6600 | 61.9240 | 108.7230 | 108.7140 |
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 | 60991.1961178 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51 Eri |
| HIERARCH ESO INS SOBJ NAME | 51_Eri |
| RA | 69.402891 |
| DEC | -2.47336 |
| 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 | 50.321 |
| HIERARCH ESO ISS PBL12 END | 50.591 |
| HIERARCH ESO ISS PBLA12 START | 19.8 |
| HIERARCH ESO ISS PBLA12 END | 20.7 |
| HIERARCH ESO ISS PBL13 START | 90.58 |
| HIERARCH ESO ISS PBL13 END | 91.241 |
| HIERARCH ESO ISS PBLA13 START | 26.9 |
| HIERARCH ESO ISS PBLA13 END | 27.8 |
| HIERARCH ESO ISS PBL14 START | 116.643 |
| HIERARCH ESO ISS PBL14 END | 118.109 |
| HIERARCH ESO ISS PBLA14 START | 58.494 |
| HIERARCH ESO ISS PBLA14 END | 59.002 |
| HIERARCH ESO ISS PBL23 START | 41.12 |
| HIERARCH ESO ISS PBL23 END | 41.508 |
| HIERARCH ESO ISS PBLA23 START | 35.7 |
| HIERARCH ESO ISS PBLA23 END | 36.5 |
| HIERARCH ESO ISS PBL24 START | 83.489 |
| HIERARCH ESO ISS PBL24 END | 84.414 |
| HIERARCH ESO ISS PBLA24 START | 80.612 |
| HIERARCH ESO ISS PBLA24 END | 80.79 |
| HIERARCH ESO ISS PBL34 START | 61.66 |
| HIERARCH ESO ISS PBL34 END | 61.924 |
| HIERARCH ESO ISS PBLA34 START | 108.723 |
| HIERARCH ESO ISS PBLA34 END | 108.714 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004216 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003106 |
| HIERARCH ESO ISS AMBI TEMP | 14.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.86 |
| HIERARCH ESO FT ROBJ NAME | 51_Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |