Exposure
- ID
- GRAVI.2025-10-15T00:03:24.282_1
- Header ID
- GRAVI.2025-10-15T00:03:24.282
- Date updated
- 2025-10-15 00:16:15 UTC+0000
- Release date
- 2025-10-15 00:03:24 UTC+0000
- UTC Start
- 2025-10-15 00:03:24.282
- UTC End
- 2025-10-15 00:08:12.282
- MJD Start
- 60963.00236437
- MJD End
- 60963.00569770333
- Exposure time (s)
- 288.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0080015
- Ambient temperature (°C)
- 13.09
- Seeing (arcsec)
- 0.395
Observation
- ID
- 70946
- 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
- 52651
- Name
- HD180688
- RA
- 289.39089
- DEC
- -1.18027
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 41.7080 | 41.5140 | 160.8000 | 161.6000 |
| A0-J2 | 116.5600 | 115.1990 | 93.4000 | 93.5000 |
| A0-J6 | 167.9610 | 168.2700 | 34.0770 | 34.2630 |
| B5-J2 | 107.6820 | 106.9560 | 72.4000 | 72.3000 |
| B5-J6 | 195.7900 | 196.2650 | 24.2480 | 24.5850 |
| J2-J6 | 147.6960 | 147.4210 | 351.3330 | 352.0990 |
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 | 60963.00236437 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD180688 |
| HIERARCH ESO INS SOBJ NAME | HD180688 |
| RA | 289.39089 |
| DEC | -1.18027 |
| 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 | 41.708 |
| HIERARCH ESO ISS PBL12 END | 41.514 |
| HIERARCH ESO ISS PBLA12 START | 160.8 |
| HIERARCH ESO ISS PBLA12 END | 161.6 |
| HIERARCH ESO ISS PBL13 START | 116.56 |
| HIERARCH ESO ISS PBL13 END | 115.199 |
| HIERARCH ESO ISS PBLA13 START | 93.4 |
| HIERARCH ESO ISS PBLA13 END | 93.5 |
| HIERARCH ESO ISS PBL14 START | 167.961 |
| HIERARCH ESO ISS PBL14 END | 168.27 |
| HIERARCH ESO ISS PBLA14 START | 34.077 |
| HIERARCH ESO ISS PBLA14 END | 34.263 |
| HIERARCH ESO ISS PBL23 START | 107.682 |
| HIERARCH ESO ISS PBL23 END | 106.956 |
| HIERARCH ESO ISS PBLA23 START | 72.4 |
| HIERARCH ESO ISS PBLA23 END | 72.3 |
| HIERARCH ESO ISS PBL24 START | 195.79 |
| HIERARCH ESO ISS PBL24 END | 196.265 |
| HIERARCH ESO ISS PBLA24 START | 24.248 |
| HIERARCH ESO ISS PBLA24 END | 24.585 |
| HIERARCH ESO ISS PBL34 START | 147.696 |
| HIERARCH ESO ISS PBL34 END | 147.421 |
| HIERARCH ESO ISS PBLA34 START | 351.333 |
| HIERARCH ESO ISS PBLA34 END | 352.099 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008219 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007784 |
| HIERARCH ESO ISS AMBI TEMP | 13.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.38 |