Exposure
- ID
- GRAVI.2025-11-29T01:42:36.971_1
- Header ID
- GRAVI.2025-11-29T01:42:36.971
- Date updated
- 2025-11-29 01:56:03 UTC+0000
- Release date
- 2026-11-29 01:56:03 UTC+0000
- UTC Start
- 2025-11-29 01:42:36.971
- UTC End
- 2025-11-29 01:44:12.971
- MJD Start
- 61008.07126124
- MJD End
- 61008.07237235111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006097
- Ambient temperature (°C)
- 15.46
- Seeing (arcsec)
- 0.71
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 | 48.3530 | 48.3240 | 150.2000 | 150.4000 |
| A0-J2 | 129.1300 | 129.1780 | 92.0000 | 92.2000 |
| A0-J6 | 167.5480 | 167.6690 | 25.1380 | 25.3980 |
| B5-J2 | 111.4800 | 111.5820 | 70.4000 | 70.6000 |
| B5-J6 | 199.2820 | 199.3640 | 13.6790 | 13.9470 |
| J2-J6 | 166.5680 | 166.4870 | 339.6670 | 339.9160 |
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 | 61008.07126124 |
| 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 | 48.353 |
| HIERARCH ESO ISS PBL12 END | 48.324 |
| HIERARCH ESO ISS PBLA12 START | 150.2 |
| HIERARCH ESO ISS PBLA12 END | 150.4 |
| HIERARCH ESO ISS PBL13 START | 129.13 |
| HIERARCH ESO ISS PBL13 END | 129.178 |
| HIERARCH ESO ISS PBLA13 START | 92.0 |
| HIERARCH ESO ISS PBLA13 END | 92.2 |
| HIERARCH ESO ISS PBL14 START | 167.548 |
| HIERARCH ESO ISS PBL14 END | 167.669 |
| HIERARCH ESO ISS PBLA14 START | 25.138 |
| HIERARCH ESO ISS PBLA14 END | 25.398 |
| HIERARCH ESO ISS PBL23 START | 111.48 |
| HIERARCH ESO ISS PBL23 END | 111.582 |
| HIERARCH ESO ISS PBLA23 START | 70.4 |
| HIERARCH ESO ISS PBLA23 END | 70.6 |
| HIERARCH ESO ISS PBL24 START | 199.282 |
| HIERARCH ESO ISS PBL24 END | 199.364 |
| HIERARCH ESO ISS PBLA24 START | 13.679 |
| HIERARCH ESO ISS PBLA24 END | 13.947 |
| HIERARCH ESO ISS PBL34 START | 166.568 |
| HIERARCH ESO ISS PBL34 END | 166.487 |
| HIERARCH ESO ISS PBLA34 START | 339.667 |
| HIERARCH ESO ISS PBLA34 END | 339.916 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006187 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006007 |
| HIERARCH ESO ISS AMBI TEMP | 15.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |