Exposure
- ID
- GRAVI.2025-11-29T01:36:51.957_1
- Header ID
- GRAVI.2025-11-29T01:36:51.957
- Date updated
- 2025-11-29 01:45:51 UTC+0000
- Release date
- 2026-11-29 01:45:51 UTC+0000
- UTC Start
- 2025-11-29 01:36:51.957
- UTC End
- 2025-11-29 01:38:27.957
- MJD Start
- 61008.06726802
- MJD End
- 61008.06837913111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0059035
- Ambient temperature (°C)
- 15.44
- Seeing (arcsec)
- 0.705
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 | 48.4160 | 48.3890 | 149.7000 | 149.9000 |
| A0-J2 | 128.9660 | 129.0480 | 91.6000 | 91.8000 |
| A0-J6 | 167.2670 | 167.3920 | 24.5390 | 24.8050 |
| B5-J2 | 111.2090 | 111.3360 | 69.9000 | 70.1000 |
| B5-J6 | 199.0990 | 199.1800 | 13.0660 | 13.3380 |
| J2-J6 | 166.7460 | 166.6680 | 339.1140 | 339.3570 |
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 | 61008.06726802 |
| 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 | 48.416 |
| HIERARCH ESO ISS PBL12 END | 48.389 |
| HIERARCH ESO ISS PBLA12 START | 149.7 |
| HIERARCH ESO ISS PBLA12 END | 149.9 |
| HIERARCH ESO ISS PBL13 START | 128.966 |
| HIERARCH ESO ISS PBL13 END | 129.048 |
| HIERARCH ESO ISS PBLA13 START | 91.6 |
| HIERARCH ESO ISS PBLA13 END | 91.8 |
| HIERARCH ESO ISS PBL14 START | 167.267 |
| HIERARCH ESO ISS PBL14 END | 167.392 |
| HIERARCH ESO ISS PBLA14 START | 24.539 |
| HIERARCH ESO ISS PBLA14 END | 24.805 |
| HIERARCH ESO ISS PBL23 START | 111.209 |
| HIERARCH ESO ISS PBL23 END | 111.336 |
| HIERARCH ESO ISS PBLA23 START | 69.9 |
| HIERARCH ESO ISS PBLA23 END | 70.1 |
| HIERARCH ESO ISS PBL24 START | 199.099 |
| HIERARCH ESO ISS PBL24 END | 199.18 |
| HIERARCH ESO ISS PBLA24 START | 13.066 |
| HIERARCH ESO ISS PBLA24 END | 13.338 |
| HIERARCH ESO ISS PBL34 START | 166.746 |
| HIERARCH ESO ISS PBL34 END | 166.668 |
| HIERARCH ESO ISS PBLA34 START | 339.114 |
| HIERARCH ESO ISS PBLA34 END | 339.357 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00556 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006247 |
| HIERARCH ESO ISS AMBI TEMP | 15.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |