Exposure
- ID
- GRAVI.2025-11-06T07:52:24.397_1
- Header ID
- GRAVI.2025-11-06T07:52:24.397
- Date updated
- 2025-11-06 08:01:01 UTC+0000
- Release date
- 2026-11-06 08:01:01 UTC+0000
- UTC Start
- 2025-11-06 07:52:24.397
- UTC End
- 2025-11-06 07:53:48.397
- MJD Start
- 60985.32806015
- MJD End
- 60985.329032372225
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002443
- Ambient temperature (°C)
- 10.56
- Seeing (arcsec)
- 0.86
Observation
- ID
- 71179
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
Target
- ID
- 52846
- Name
- 51_Eri
- RA
- 69.40284
- DEC
- -2.47381
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.0710 | 56.1010 | 33.9000 | 33.9000 |
| U1-U3 | 102.1550 | 102.1900 | 39.3000 | 39.4000 |
| U1-U4 | 128.0580 | 127.8990 | 63.3180 | 63.3010 |
| U2-U3 | 46.6410 | 46.6410 | 45.9000 | 45.9000 |
| U2-U4 | 83.8880 | 83.6570 | 82.5020 | 82.4990 |
| U3-U4 | 54.1640 | 53.9510 | 113.4250 | 113.5410 |
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 | 60985.32806015 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51 Eri |
| HIERARCH ESO INS SOBJ NAME | 51_Eri |
| RA | 69.40284 |
| DEC | -2.47381 |
| 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 | 56.071 |
| HIERARCH ESO ISS PBL12 END | 56.101 |
| HIERARCH ESO ISS PBLA12 START | 33.9 |
| HIERARCH ESO ISS PBLA12 END | 33.9 |
| HIERARCH ESO ISS PBL13 START | 102.155 |
| HIERARCH ESO ISS PBL13 END | 102.19 |
| HIERARCH ESO ISS PBLA13 START | 39.3 |
| HIERARCH ESO ISS PBLA13 END | 39.4 |
| HIERARCH ESO ISS PBL14 START | 128.058 |
| HIERARCH ESO ISS PBL14 END | 127.899 |
| HIERARCH ESO ISS PBLA14 START | 63.318 |
| HIERARCH ESO ISS PBLA14 END | 63.301 |
| HIERARCH ESO ISS PBL23 START | 46.641 |
| HIERARCH ESO ISS PBL23 END | 46.641 |
| HIERARCH ESO ISS PBLA23 START | 45.9 |
| HIERARCH ESO ISS PBLA23 END | 45.9 |
| HIERARCH ESO ISS PBL24 START | 83.888 |
| HIERARCH ESO ISS PBL24 END | 83.657 |
| HIERARCH ESO ISS PBLA24 START | 82.502 |
| HIERARCH ESO ISS PBLA24 END | 82.499 |
| HIERARCH ESO ISS PBL34 START | 54.164 |
| HIERARCH ESO ISS PBL34 END | 53.951 |
| HIERARCH ESO ISS PBLA34 START | 113.425 |
| HIERARCH ESO ISS PBLA34 END | 113.541 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002443 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002443 |
| HIERARCH ESO ISS AMBI TEMP | 10.56 |
| HIERARCH ESO ISS AMBI FWHM START | 0.86 |
| 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 |