Exposure
- ID
- GRAVI.2025-11-06T08:26:03.483_2
- Header ID
- GRAVI.2025-11-06T08:26:03.483
- Date updated
- 2025-11-06 08:36:02 UTC+0000
- Release date
- 2026-11-06 08:36:01 UTC+0000
- UTC Start
- 2025-11-06 08:26:03.483
- UTC End
- 2025-11-06 08:27:27.483
- MJD Start
- 60985.3514292
- MJD End
- 60985.35240142223
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002145
- Ambient temperature (°C)
- 10.29
- Seeing (arcsec)
- 1.12
Observation
- ID
- 71173
- Category
- science
- Program ID
- 116.29H7.001
- Program Title
- GPAO COMMISSIONING
- Program Type
- Normal
- PI / COI
- TEAM
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 | 56.4930 | 56.5040 | 34.9000 | 34.9000 |
| U1-U3 | 102.4140 | 102.4030 | 39.8000 | 39.9000 |
| U1-U4 | 123.8840 | 123.6130 | 62.7100 | 62.6630 |
| U2-U3 | 46.3960 | 46.3690 | 45.9000 | 45.9000 |
| U2-U4 | 78.5040 | 78.1820 | 82.3550 | 82.3410 |
| U3-U4 | 49.5420 | 49.2840 | 116.1390 | 116.3050 |
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 | 60985.3514292 |
| 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 | 56.493 |
| HIERARCH ESO ISS PBL12 END | 56.504 |
| HIERARCH ESO ISS PBLA12 START | 34.9 |
| HIERARCH ESO ISS PBLA12 END | 34.9 |
| HIERARCH ESO ISS PBL13 START | 102.414 |
| HIERARCH ESO ISS PBL13 END | 102.403 |
| HIERARCH ESO ISS PBLA13 START | 39.8 |
| HIERARCH ESO ISS PBLA13 END | 39.9 |
| HIERARCH ESO ISS PBL14 START | 123.884 |
| HIERARCH ESO ISS PBL14 END | 123.613 |
| HIERARCH ESO ISS PBLA14 START | 62.71 |
| HIERARCH ESO ISS PBLA14 END | 62.663 |
| HIERARCH ESO ISS PBL23 START | 46.396 |
| HIERARCH ESO ISS PBL23 END | 46.369 |
| HIERARCH ESO ISS PBLA23 START | 45.9 |
| HIERARCH ESO ISS PBLA23 END | 45.9 |
| HIERARCH ESO ISS PBL24 START | 78.504 |
| HIERARCH ESO ISS PBL24 END | 78.182 |
| HIERARCH ESO ISS PBLA24 START | 82.355 |
| HIERARCH ESO ISS PBLA24 END | 82.341 |
| HIERARCH ESO ISS PBL34 START | 49.542 |
| HIERARCH ESO ISS PBL34 END | 49.284 |
| HIERARCH ESO ISS PBLA34 START | 116.139 |
| HIERARCH ESO ISS PBLA34 END | 116.305 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002145 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002145 |
| HIERARCH ESO ISS AMBI TEMP | 10.29 |
| HIERARCH ESO ISS AMBI FWHM START | 1.12 |
| HIERARCH ESO ISS AMBI FWHM END | 1.12 |
| HIERARCH ESO FT ROBJ NAME | 51_Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |