Exposure
- ID
- GRAVI.2025-10-15T00:57:39.420_1
- Header ID
- GRAVI.2025-10-15T00:57:39.420
- Date updated
- 2025-10-15 01:16:03 UTC+0000
- Release date
- 2025-10-15 00:57:39 UTC+0000
- UTC Start
- 2025-10-15 00:57:39.420
- UTC End
- 2025-10-15 01:02:27.420
- MJD Start
- 60963.04003958
- MJD End
- 60963.04337291334
- Exposure time (s)
- 288.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0076235
- Ambient temperature (°C)
- 12.53
- Seeing (arcsec)
- 0.45999999999999996
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 | 41.1270 | 40.9410 | 162.1000 | 162.9000 |
| A0-J2 | 114.1810 | 112.7120 | 93.2000 | 93.2000 |
| A0-J6 | 168.2850 | 168.5630 | 34.4230 | 34.5730 |
| B5-J2 | 106.5310 | 105.7230 | 72.1000 | 72.0000 |
| B5-J6 | 196.1430 | 196.6130 | 24.8680 | 25.1750 |
| J2-J6 | 146.3980 | 146.1580 | 352.5890 | 353.3640 |
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 | 60963.04003958 |
| 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 | 41.127 |
| HIERARCH ESO ISS PBL12 END | 40.941 |
| HIERARCH ESO ISS PBLA12 START | 162.1 |
| HIERARCH ESO ISS PBLA12 END | 162.9 |
| HIERARCH ESO ISS PBL13 START | 114.181 |
| HIERARCH ESO ISS PBL13 END | 112.712 |
| HIERARCH ESO ISS PBLA13 START | 93.2 |
| HIERARCH ESO ISS PBLA13 END | 93.2 |
| HIERARCH ESO ISS PBL14 START | 168.285 |
| HIERARCH ESO ISS PBL14 END | 168.563 |
| HIERARCH ESO ISS PBLA14 START | 34.423 |
| HIERARCH ESO ISS PBLA14 END | 34.573 |
| HIERARCH ESO ISS PBL23 START | 106.531 |
| HIERARCH ESO ISS PBL23 END | 105.723 |
| HIERARCH ESO ISS PBLA23 START | 72.1 |
| HIERARCH ESO ISS PBLA23 END | 72.0 |
| HIERARCH ESO ISS PBL24 START | 196.143 |
| HIERARCH ESO ISS PBL24 END | 196.613 |
| HIERARCH ESO ISS PBLA24 START | 24.868 |
| HIERARCH ESO ISS PBLA24 END | 25.175 |
| HIERARCH ESO ISS PBL34 START | 146.398 |
| HIERARCH ESO ISS PBL34 END | 146.158 |
| HIERARCH ESO ISS PBLA34 START | 352.589 |
| HIERARCH ESO ISS PBLA34 END | 353.364 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007382 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007865 |
| HIERARCH ESO ISS AMBI TEMP | 12.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |