Exposure
- ID
- GRAVI.2025-11-12T05:19:36.673_1
- Header ID
- GRAVI.2025-11-12T05:19:36.673
- 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 05:19:36.673
- UTC End
- 2025-11-12 05:26:16.673
- MJD Start
- 60991.22195223
- MJD End
- 60991.22658185963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034140000000000004
- Ambient temperature (°C)
- 14.2
- Seeing (arcsec)
- 0.645
Observation
- ID
- 71553
- 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
- 53137
- Name
- 51_Eri
- RA
- 69.402902
- DEC
- -2.47339
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.8100 | 52.0930 | 24.3000 | 25.1000 |
| U1-U3 | 94.0850 | 94.7160 | 31.2000 | 31.9000 |
| U1-U4 | 123.5990 | 124.6410 | 60.8320 | 61.1720 |
| U2-U3 | 43.1030 | 43.4410 | 39.6000 | 40.2000 |
| U2-U4 | 87.5420 | 88.0500 | 81.4370 | 81.5600 |
| U3-U4 | 62.4700 | 62.4570 | 108.8630 | 108.9410 |
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 | 60991.22195223 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51 Eri |
| HIERARCH ESO INS SOBJ NAME | 51_Eri |
| RA | 69.402902 |
| DEC | -2.47339 |
| 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 | 51.81 |
| HIERARCH ESO ISS PBL12 END | 52.093 |
| HIERARCH ESO ISS PBLA12 START | 24.3 |
| HIERARCH ESO ISS PBLA12 END | 25.1 |
| HIERARCH ESO ISS PBL13 START | 94.085 |
| HIERARCH ESO ISS PBL13 END | 94.716 |
| HIERARCH ESO ISS PBLA13 START | 31.2 |
| HIERARCH ESO ISS PBLA13 END | 31.9 |
| HIERARCH ESO ISS PBL14 START | 123.599 |
| HIERARCH ESO ISS PBL14 END | 124.641 |
| HIERARCH ESO ISS PBLA14 START | 60.832 |
| HIERARCH ESO ISS PBLA14 END | 61.172 |
| HIERARCH ESO ISS PBL23 START | 43.103 |
| HIERARCH ESO ISS PBL23 END | 43.441 |
| HIERARCH ESO ISS PBLA23 START | 39.6 |
| HIERARCH ESO ISS PBLA23 END | 40.2 |
| HIERARCH ESO ISS PBL24 START | 87.542 |
| HIERARCH ESO ISS PBL24 END | 88.05 |
| HIERARCH ESO ISS PBLA24 START | 81.437 |
| HIERARCH ESO ISS PBLA24 END | 81.56 |
| HIERARCH ESO ISS PBL34 START | 62.47 |
| HIERARCH ESO ISS PBL34 END | 62.457 |
| HIERARCH ESO ISS PBLA34 START | 108.863 |
| HIERARCH ESO ISS PBLA34 END | 108.941 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00384 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002988 |
| HIERARCH ESO ISS AMBI TEMP | 14.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| 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 |