Exposure
- ID
- GRAVI.2025-11-29T00:26:09.777_1
- Header ID
- GRAVI.2025-11-29T00:26:09.777
- Date updated
- 2025-11-29 00:36:24 UTC+0000
- Release date
- 2026-11-29 00:36:24 UTC+0000
- UTC Start
- 2025-11-29 00:26:09.777
- UTC End
- 2025-11-29 00:27:45.777
- MJD Start
- 61008.01816871
- MJD End
- 61008.01927982111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0069984999999999995
- Ambient temperature (°C)
- 15.76
- Seeing (arcsec)
- 0.8400000000000001
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 | 48.5620 | 48.5790 | 144.5000 | 144.7000 |
| A0-J2 | 120.8500 | 121.3310 | 86.7000 | 86.9000 |
| A0-J6 | 163.3950 | 163.5310 | 16.0540 | 16.3900 |
| B5-J2 | 103.5110 | 103.9140 | 63.3000 | 63.6000 |
| B5-J6 | 197.3090 | 197.3490 | 4.9460 | 5.2500 |
| J2-J6 | 167.9700 | 167.9680 | 333.3060 | 333.4800 |
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 | 61008.01816871 |
| 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 | 48.562 |
| HIERARCH ESO ISS PBL12 END | 48.579 |
| HIERARCH ESO ISS PBLA12 START | 144.5 |
| HIERARCH ESO ISS PBLA12 END | 144.7 |
| HIERARCH ESO ISS PBL13 START | 120.85 |
| HIERARCH ESO ISS PBL13 END | 121.331 |
| HIERARCH ESO ISS PBLA13 START | 86.7 |
| HIERARCH ESO ISS PBLA13 END | 86.9 |
| HIERARCH ESO ISS PBL14 START | 163.395 |
| HIERARCH ESO ISS PBL14 END | 163.531 |
| HIERARCH ESO ISS PBLA14 START | 16.054 |
| HIERARCH ESO ISS PBLA14 END | 16.39 |
| HIERARCH ESO ISS PBL23 START | 103.511 |
| HIERARCH ESO ISS PBL23 END | 103.914 |
| HIERARCH ESO ISS PBLA23 START | 63.3 |
| HIERARCH ESO ISS PBLA23 END | 63.6 |
| HIERARCH ESO ISS PBL24 START | 197.309 |
| HIERARCH ESO ISS PBL24 END | 197.349 |
| HIERARCH ESO ISS PBLA24 START | 4.946 |
| HIERARCH ESO ISS PBLA24 END | 5.25 |
| HIERARCH ESO ISS PBL34 START | 167.97 |
| HIERARCH ESO ISS PBL34 END | 167.968 |
| HIERARCH ESO ISS PBLA34 START | 333.306 |
| HIERARCH ESO ISS PBLA34 END | 333.48 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006464 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007533 |
| HIERARCH ESO ISS AMBI TEMP | 15.76 |
| HIERARCH ESO ISS AMBI FWHM START | 0.93 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |