Exposure
- ID
- GRAVI.2025-11-28T00:56:29.632_1
- Header ID
- GRAVI.2025-11-28T00:56:29.632
- Date updated
- 2025-11-28 01:05:51 UTC+0000
- Release date
- 2026-11-28 01:05:50 UTC+0000
- UTC Start
- 2025-11-28 00:56:29.632
- UTC End
- 2025-11-28 00:58:05.632
- MJD Start
- 61007.03923185
- MJD End
- 61007.04034296111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008007
- Ambient temperature (°C)
- 15.56
- Seeing (arcsec)
- 0.54
Observation
- ID
- 71877
- 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
- 53358
- Name
- tau_Cet
- RA
- 26.005514
- DEC
- -15.93259
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 48.6570 | 48.6560 | 146.2000 | 146.4000 |
| A0-J2 | 125.1860 | 125.5210 | 88.6000 | 88.8000 |
| A0-J6 | 164.8560 | 164.9990 | 19.4560 | 19.7680 |
| B5-J2 | 107.2820 | 107.5900 | 66.1000 | 66.3000 |
| B5-J6 | 197.8340 | 197.8950 | 8.0870 | 8.3820 |
| J2-J6 | 167.7740 | 167.7360 | 335.2530 | 335.4540 |
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 | 61007.03923185 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | tau Cet |
| HIERARCH ESO INS SOBJ NAME | tau_Cet |
| RA | 26.005514 |
| 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 | 48.657 |
| HIERARCH ESO ISS PBL12 END | 48.656 |
| HIERARCH ESO ISS PBLA12 START | 146.2 |
| HIERARCH ESO ISS PBLA12 END | 146.4 |
| HIERARCH ESO ISS PBL13 START | 125.186 |
| HIERARCH ESO ISS PBL13 END | 125.521 |
| HIERARCH ESO ISS PBLA13 START | 88.6 |
| HIERARCH ESO ISS PBLA13 END | 88.8 |
| HIERARCH ESO ISS PBL14 START | 164.856 |
| HIERARCH ESO ISS PBL14 END | 164.999 |
| HIERARCH ESO ISS PBLA14 START | 19.456 |
| HIERARCH ESO ISS PBLA14 END | 19.768 |
| HIERARCH ESO ISS PBL23 START | 107.282 |
| HIERARCH ESO ISS PBL23 END | 107.59 |
| HIERARCH ESO ISS PBLA23 START | 66.1 |
| HIERARCH ESO ISS PBLA23 END | 66.3 |
| HIERARCH ESO ISS PBL24 START | 197.834 |
| HIERARCH ESO ISS PBL24 END | 197.895 |
| HIERARCH ESO ISS PBLA24 START | 8.087 |
| HIERARCH ESO ISS PBLA24 END | 8.382 |
| HIERARCH ESO ISS PBL34 START | 167.774 |
| HIERARCH ESO ISS PBL34 END | 167.736 |
| HIERARCH ESO ISS PBLA34 START | 335.253 |
| HIERARCH ESO ISS PBLA34 END | 335.454 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007945 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008069 |
| HIERARCH ESO ISS AMBI TEMP | 15.56 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |