Exposure
- ID
- GRAVI.2025-11-06T08:48:54.540_2
- Header ID
- GRAVI.2025-11-06T08:48:54.540
- Date updated
- 2025-11-06 08:56:40 UTC+0000
- Release date
- 2026-11-06 08:56:40 UTC+0000
- UTC Start
- 2025-11-06 08:48:54.540
- UTC End
- 2025-11-06 08:50:18.540
- MJD Start
- 60985.36729792
- MJD End
- 60985.36827014222
- Exposure time (s)
- 84.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00258
- Ambient temperature (°C)
- 10.34
- Seeing (arcsec)
- 0.9199999999999999
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 | 56.5570 | 56.5550 | 35.2000 | 35.2000 |
| U1-U3 | 102.0730 | 102.0310 | 39.9000 | 39.8000 |
| U1-U4 | 119.8510 | 119.5120 | 61.9590 | 61.8910 |
| U2-U3 | 45.9340 | 45.8900 | 45.6000 | 45.6000 |
| U2-U4 | 73.8800 | 73.5050 | 82.1250 | 82.1020 |
| U3-U4 | 45.9700 | 45.6910 | 118.6000 | 118.8090 |
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 | 60985.36729792 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51 Eri |
| HIERARCH ESO INS SOBJ NAME | 51_Eri |
| RA | 69.402831 |
| DEC | -2.47379 |
| 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 | 56.557 |
| HIERARCH ESO ISS PBL12 END | 56.555 |
| HIERARCH ESO ISS PBLA12 START | 35.2 |
| HIERARCH ESO ISS PBLA12 END | 35.2 |
| HIERARCH ESO ISS PBL13 START | 102.073 |
| HIERARCH ESO ISS PBL13 END | 102.031 |
| HIERARCH ESO ISS PBLA13 START | 39.9 |
| HIERARCH ESO ISS PBLA13 END | 39.8 |
| HIERARCH ESO ISS PBL14 START | 119.851 |
| HIERARCH ESO ISS PBL14 END | 119.512 |
| HIERARCH ESO ISS PBLA14 START | 61.959 |
| HIERARCH ESO ISS PBLA14 END | 61.891 |
| HIERARCH ESO ISS PBL23 START | 45.934 |
| HIERARCH ESO ISS PBL23 END | 45.89 |
| HIERARCH ESO ISS PBLA23 START | 45.6 |
| HIERARCH ESO ISS PBLA23 END | 45.6 |
| HIERARCH ESO ISS PBL24 START | 73.88 |
| HIERARCH ESO ISS PBL24 END | 73.505 |
| HIERARCH ESO ISS PBLA24 START | 82.125 |
| HIERARCH ESO ISS PBLA24 END | 82.102 |
| HIERARCH ESO ISS PBL34 START | 45.97 |
| HIERARCH ESO ISS PBL34 END | 45.691 |
| HIERARCH ESO ISS PBLA34 START | 118.6 |
| HIERARCH ESO ISS PBLA34 END | 118.809 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002565 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002595 |
| HIERARCH ESO ISS AMBI TEMP | 10.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.94 |
| HIERARCH ESO FT ROBJ NAME | 51_Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |