Exposure
- ID
- GRAVI.2025-11-06T08:01:45.421_1
- Header ID
- GRAVI.2025-11-06T08:01:45.421
- Date updated
- 2025-11-06 08:10:49 UTC+0000
- Release date
- 2026-11-06 08:10:49 UTC+0000
- UTC Start
- 2025-11-06 08:01:45.421
- UTC End
- 2025-11-06 08:03:09.421
- MJD Start
- 60985.33455348
- MJD End
- 60985.33552570223
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002443
- Ambient temperature (°C)
- 10.71
- Seeing (arcsec)
- 0.935
Observation
- ID
- 71180
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 52847
- Name
- 51_Eri
- RA
- 69.402837
- DEC
- -2.4738
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2260 | 56.2510 | 34.2000 | 34.3000 |
| U1-U3 | 102.3170 | 102.3390 | 39.5000 | 39.6000 |
| U1-U4 | 127.1150 | 126.9230 | 63.2040 | 63.1790 |
| U2-U3 | 46.6250 | 46.6170 | 45.9000 | 45.9000 |
| U2-U4 | 82.5660 | 82.3090 | 82.4810 | 82.4760 |
| U3-U4 | 52.9650 | 52.7370 | 114.0880 | 114.2170 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.29H7.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60985.33455348 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51 Eri |
| HIERARCH ESO INS SOBJ NAME | 51_Eri |
| RA | 69.402837 |
| DEC | -2.4738 |
| 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 | 109.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 84 |
| HIERARCH ESO ISS PBL12 START | 56.226 |
| HIERARCH ESO ISS PBL12 END | 56.251 |
| HIERARCH ESO ISS PBLA12 START | 34.2 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 102.317 |
| HIERARCH ESO ISS PBL13 END | 102.339 |
| HIERARCH ESO ISS PBLA13 START | 39.5 |
| HIERARCH ESO ISS PBLA13 END | 39.6 |
| HIERARCH ESO ISS PBL14 START | 127.115 |
| HIERARCH ESO ISS PBL14 END | 126.923 |
| HIERARCH ESO ISS PBLA14 START | 63.204 |
| HIERARCH ESO ISS PBLA14 END | 63.179 |
| HIERARCH ESO ISS PBL23 START | 46.625 |
| HIERARCH ESO ISS PBL23 END | 46.617 |
| HIERARCH ESO ISS PBLA23 START | 45.9 |
| HIERARCH ESO ISS PBLA23 END | 45.9 |
| HIERARCH ESO ISS PBL24 START | 82.566 |
| HIERARCH ESO ISS PBL24 END | 82.309 |
| HIERARCH ESO ISS PBLA24 START | 82.481 |
| HIERARCH ESO ISS PBLA24 END | 82.476 |
| HIERARCH ESO ISS PBL34 START | 52.965 |
| HIERARCH ESO ISS PBL34 END | 52.737 |
| HIERARCH ESO ISS PBLA34 START | 114.088 |
| HIERARCH ESO ISS PBLA34 END | 114.217 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002443 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002443 |
| HIERARCH ESO ISS AMBI TEMP | 10.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 1.02 |
| HIERARCH ESO FT ROBJ NAME | 51_Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |