Exposure
- ID
- GRAVI.2025-10-15T00:45:54.391_1
- Header ID
- GRAVI.2025-10-15T00:45:54.391
- Date updated
- 2025-10-15 01:01:11 UTC+0000
- Release date
- 2025-10-15 00:45:54 UTC+0000
- UTC Start
- 2025-10-15 00:45:54.391
- UTC End
- 2025-10-15 00:50:42.391
- MJD Start
- 60963.03187952
- MJD End
- 60963.035212853334
- Exposure time (s)
- 288.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050935
- Ambient temperature (°C)
- 12.64
- Seeing (arcsec)
- 0.44999999999999996
Observation
- ID
- 70948
- Category
- calibrator
- Program ID
- 115.29R0.001
- Program Title
- CONSTRAINING CALIBRATOR STAR DIAMETERS FOR RELIABLE INTERFEROMETRIC MEASUREMENTS
- Program Type
- ToO
- PI / COI
- GALLENNE / KERVELLA / BRAS
Target
- ID
- 52653
- Name
- HD189962
- RA
- 300.685772
- DEC
- -0.60671
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 41.5530 | 41.3530 | 160.3000 | 161.1000 |
| A0-J2 | 117.1430 | 115.8110 | 93.1000 | 93.1000 |
| A0-J6 | 167.5810 | 167.9230 | 34.0380 | 34.2270 |
| B5-J2 | 108.0970 | 107.4040 | 72.3000 | 72.2000 |
| B5-J6 | 195.0750 | 195.5760 | 24.1500 | 24.4930 |
| J2-J6 | 147.0020 | 146.7090 | 350.9260 | 351.6930 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.29R0.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60963.03187952 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD189962 |
| HIERARCH ESO INS SOBJ NAME | HD189962 |
| RA | 300.685772 |
| DEC | -0.60671 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 326.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 41.553 |
| HIERARCH ESO ISS PBL12 END | 41.353 |
| HIERARCH ESO ISS PBLA12 START | 160.3 |
| HIERARCH ESO ISS PBLA12 END | 161.1 |
| HIERARCH ESO ISS PBL13 START | 117.143 |
| HIERARCH ESO ISS PBL13 END | 115.811 |
| HIERARCH ESO ISS PBLA13 START | 93.1 |
| HIERARCH ESO ISS PBLA13 END | 93.1 |
| HIERARCH ESO ISS PBL14 START | 167.581 |
| HIERARCH ESO ISS PBL14 END | 167.923 |
| HIERARCH ESO ISS PBLA14 START | 34.038 |
| HIERARCH ESO ISS PBLA14 END | 34.227 |
| HIERARCH ESO ISS PBL23 START | 108.097 |
| HIERARCH ESO ISS PBL23 END | 107.404 |
| HIERARCH ESO ISS PBLA23 START | 72.3 |
| HIERARCH ESO ISS PBLA23 END | 72.2 |
| HIERARCH ESO ISS PBL24 START | 195.075 |
| HIERARCH ESO ISS PBL24 END | 195.576 |
| HIERARCH ESO ISS PBLA24 START | 24.15 |
| HIERARCH ESO ISS PBLA24 END | 24.493 |
| HIERARCH ESO ISS PBL34 START | 147.002 |
| HIERARCH ESO ISS PBL34 END | 146.709 |
| HIERARCH ESO ISS PBLA34 START | 350.926 |
| HIERARCH ESO ISS PBLA34 END | 351.693 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004919 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005268 |
| HIERARCH ESO ISS AMBI TEMP | 12.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |