Exposure
- ID
- GRAVI.2025-10-15T00:15:09.312_1
- Header ID
- GRAVI.2025-10-15T00:15:09.312
- Date updated
- 2025-10-15 00:31:00 UTC+0000
- Release date
- 2025-10-15 00:15:09 UTC+0000
- UTC Start
- 2025-10-15 00:15:09.312
- UTC End
- 2025-10-15 00:19:57.312
- MJD Start
- 60963.01052444
- MJD End
- 60963.01385777333
- Exposure time (s)
- 288.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0067665
- Ambient temperature (°C)
- 12.84
- Seeing (arcsec)
- 0.39
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 | 41.2980 | 41.1180 | 162.6000 | 163.4000 |
| A0-J2 | 113.5410 | 112.0450 | 93.5000 | 93.6000 |
| A0-J6 | 168.5910 | 168.8360 | 34.4510 | 34.5990 |
| B5-J2 | 106.0450 | 105.2040 | 72.2000 | 72.1000 |
| B5-J6 | 196.8000 | 197.2440 | 24.9500 | 25.2530 |
| J2-J6 | 147.1320 | 146.9090 | 352.9870 | 353.7610 |
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 | 60963.01052444 |
| 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 | 41.298 |
| HIERARCH ESO ISS PBL12 END | 41.118 |
| HIERARCH ESO ISS PBLA12 START | 162.6 |
| HIERARCH ESO ISS PBLA12 END | 163.4 |
| HIERARCH ESO ISS PBL13 START | 113.541 |
| HIERARCH ESO ISS PBL13 END | 112.045 |
| HIERARCH ESO ISS PBLA13 START | 93.5 |
| HIERARCH ESO ISS PBLA13 END | 93.6 |
| HIERARCH ESO ISS PBL14 START | 168.591 |
| HIERARCH ESO ISS PBL14 END | 168.836 |
| HIERARCH ESO ISS PBLA14 START | 34.451 |
| HIERARCH ESO ISS PBLA14 END | 34.599 |
| HIERARCH ESO ISS PBL23 START | 106.045 |
| HIERARCH ESO ISS PBL23 END | 105.204 |
| HIERARCH ESO ISS PBLA23 START | 72.2 |
| HIERARCH ESO ISS PBLA23 END | 72.1 |
| HIERARCH ESO ISS PBL24 START | 196.8 |
| HIERARCH ESO ISS PBL24 END | 197.244 |
| HIERARCH ESO ISS PBLA24 START | 24.95 |
| HIERARCH ESO ISS PBLA24 END | 25.253 |
| HIERARCH ESO ISS PBL34 START | 147.132 |
| HIERARCH ESO ISS PBL34 END | 146.909 |
| HIERARCH ESO ISS PBLA34 START | 352.987 |
| HIERARCH ESO ISS PBLA34 END | 353.761 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006316 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007217 |
| HIERARCH ESO ISS AMBI TEMP | 12.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |