Exposure
- ID
- GRAVI.2025-11-28T01:02:17.647_1
- Header ID
- GRAVI.2025-11-28T01:02:17.647
- Date updated
- 2025-11-28 01:11:27 UTC+0000
- Release date
- 2026-11-28 01:11:27 UTC+0000
- UTC Start
- 2025-11-28 01:02:17.647
- UTC End
- 2025-11-28 01:03:53.647
- MJD Start
- 61007.0432598
- MJD End
- 61007.044370911106
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006366
- Ambient temperature (°C)
- 15.56
- Seeing (arcsec)
- 0.565
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 | 48.6530 | 48.6480 | 146.6000 | 146.8000 |
| A0-J2 | 125.9300 | 126.2320 | 89.0000 | 89.2000 |
| A0-J6 | 165.1820 | 165.3250 | 20.1650 | 20.4720 |
| B5-J2 | 107.9710 | 108.2570 | 66.6000 | 66.9000 |
| B5-J6 | 197.9760 | 198.0410 | 8.7600 | 9.0530 |
| J2-J6 | 167.6830 | 167.6390 | 335.7160 | 335.9220 |
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 | 61007.0432598 |
| 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 | 48.653 |
| HIERARCH ESO ISS PBL12 END | 48.648 |
| HIERARCH ESO ISS PBLA12 START | 146.6 |
| HIERARCH ESO ISS PBLA12 END | 146.8 |
| HIERARCH ESO ISS PBL13 START | 125.93 |
| HIERARCH ESO ISS PBL13 END | 126.232 |
| HIERARCH ESO ISS PBLA13 START | 89.0 |
| HIERARCH ESO ISS PBLA13 END | 89.2 |
| HIERARCH ESO ISS PBL14 START | 165.182 |
| HIERARCH ESO ISS PBL14 END | 165.325 |
| HIERARCH ESO ISS PBLA14 START | 20.165 |
| HIERARCH ESO ISS PBLA14 END | 20.472 |
| HIERARCH ESO ISS PBL23 START | 107.971 |
| HIERARCH ESO ISS PBL23 END | 108.257 |
| HIERARCH ESO ISS PBLA23 START | 66.6 |
| HIERARCH ESO ISS PBLA23 END | 66.9 |
| HIERARCH ESO ISS PBL24 START | 197.976 |
| HIERARCH ESO ISS PBL24 END | 198.041 |
| HIERARCH ESO ISS PBLA24 START | 8.76 |
| HIERARCH ESO ISS PBLA24 END | 9.053 |
| HIERARCH ESO ISS PBL34 START | 167.683 |
| HIERARCH ESO ISS PBL34 END | 167.639 |
| HIERARCH ESO ISS PBLA34 START | 335.716 |
| HIERARCH ESO ISS PBLA34 END | 335.922 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006774 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005958 |
| HIERARCH ESO ISS AMBI TEMP | 15.56 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |