Exposure
- ID
- GRAVI.2025-11-29T00:31:57.791_1
- Header ID
- GRAVI.2025-11-29T00:31:57.791
- Date updated
- 2025-11-29 00:40:50 UTC+0000
- Release date
- 2026-11-29 00:40:50 UTC+0000
- UTC Start
- 2025-11-29 00:31:57.791
- UTC End
- 2025-11-29 00:33:33.791
- MJD Start
- 61008.02219666
- MJD End
- 61008.02330777111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008798
- Ambient temperature (°C)
- 15.78
- Seeing (arcsec)
- 0.655
Observation
- ID
- 71891
- Category
- science
- Program ID
- 116.28VH.001
- Program Title
- INTERFEROMETRIC OBSERVATIONS OF HABITABLE WORLDS OBSERVATORY PROVISIONAL TARGETS
- Program Type
- Normal
- PI / COI
- ROETTENBACHER / MONNIER / ANUGU / BAINES / STONE / RAJAGOPAL
Target
- ID
- 53372
- Name
- tau_Cet
- RA
- 26.005512
- DEC
- -15.93259
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 48.6000 | 48.6130 | 144.9000 | 145.0000 |
| A0-J2 | 121.9300 | 122.3800 | 87.1000 | 87.3000 |
| A0-J6 | 163.7070 | 163.8460 | 16.8210 | 17.1520 |
| B5-J2 | 104.4210 | 104.8050 | 63.9000 | 64.2000 |
| B5-J6 | 197.4050 | 197.4500 | 5.6420 | 5.9450 |
| J2-J6 | 167.9600 | 167.9500 | 333.7080 | 333.8880 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28VH.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 61008.02219666 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | tau Cet |
| HIERARCH ESO INS SOBJ NAME | tau_Cet |
| RA | 26.005512 |
| DEC | -15.93259 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B5 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | J6 |
| EXPTIME | 153.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 320 |
| HIERARCH ESO ISS PBL12 START | 48.6 |
| HIERARCH ESO ISS PBL12 END | 48.613 |
| HIERARCH ESO ISS PBLA12 START | 144.9 |
| HIERARCH ESO ISS PBLA12 END | 145.0 |
| HIERARCH ESO ISS PBL13 START | 121.93 |
| HIERARCH ESO ISS PBL13 END | 122.38 |
| HIERARCH ESO ISS PBLA13 START | 87.1 |
| HIERARCH ESO ISS PBLA13 END | 87.3 |
| HIERARCH ESO ISS PBL14 START | 163.707 |
| HIERARCH ESO ISS PBL14 END | 163.846 |
| HIERARCH ESO ISS PBLA14 START | 16.821 |
| HIERARCH ESO ISS PBLA14 END | 17.152 |
| HIERARCH ESO ISS PBL23 START | 104.421 |
| HIERARCH ESO ISS PBL23 END | 104.805 |
| HIERARCH ESO ISS PBLA23 START | 63.9 |
| HIERARCH ESO ISS PBLA23 END | 64.2 |
| HIERARCH ESO ISS PBL24 START | 197.405 |
| HIERARCH ESO ISS PBL24 END | 197.45 |
| HIERARCH ESO ISS PBLA24 START | 5.642 |
| HIERARCH ESO ISS PBLA24 END | 5.945 |
| HIERARCH ESO ISS PBL34 START | 167.96 |
| HIERARCH ESO ISS PBL34 END | 167.95 |
| HIERARCH ESO ISS PBLA34 START | 333.708 |
| HIERARCH ESO ISS PBLA34 END | 333.888 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008151 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009445 |
| HIERARCH ESO ISS AMBI TEMP | 15.78 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |