Exposure
- ID
- GRAVI.2025-10-14T23:53:36.257_1
- Header ID
- GRAVI.2025-10-14T23:53:36.257
- Date updated
- 2025-10-15 00:11:30 UTC+0000
- Release date
- 2026-10-15 00:11:30 UTC+0000
- UTC Start
- 2025-10-14 23:53:36.257
- UTC End
- 2025-10-14 23:58:24.257
- MJD Start
- 60962.99555853
- MJD End
- 60962.99889186333
- Exposure time (s)
- 288.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006413
- Ambient temperature (°C)
- 12.93
- Seeing (arcsec)
- 0.51
Observation
- ID
- 70945
- Category
- science
- 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
- 52650
- Name
- HD181907
- RA
- 290.588973
- DEC
- -0.25247
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 41.8790 | 41.6660 | 158.6000 | 159.3000 |
| A0-J2 | 119.8280 | 118.6450 | 92.9000 | 92.9000 |
| A0-J6 | 166.5770 | 166.9890 | 33.6140 | 33.8310 |
| B5-J2 | 109.4660 | 108.9030 | 72.4000 | 72.4000 |
| B5-J6 | 193.6310 | 194.1660 | 23.4000 | 23.7670 |
| J2-J6 | 147.2720 | 146.9250 | 349.2490 | 349.9920 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.29R0.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60962.99555853 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD181907 |
| HIERARCH ESO INS SOBJ NAME | HD181907 |
| RA | 290.588973 |
| DEC | -0.25247 |
| 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 | 41.879 |
| HIERARCH ESO ISS PBL12 END | 41.666 |
| HIERARCH ESO ISS PBLA12 START | 158.6 |
| HIERARCH ESO ISS PBLA12 END | 159.3 |
| HIERARCH ESO ISS PBL13 START | 119.828 |
| HIERARCH ESO ISS PBL13 END | 118.645 |
| HIERARCH ESO ISS PBLA13 START | 92.9 |
| HIERARCH ESO ISS PBLA13 END | 92.9 |
| HIERARCH ESO ISS PBL14 START | 166.577 |
| HIERARCH ESO ISS PBL14 END | 166.989 |
| HIERARCH ESO ISS PBLA14 START | 33.614 |
| HIERARCH ESO ISS PBLA14 END | 33.831 |
| HIERARCH ESO ISS PBL23 START | 109.466 |
| HIERARCH ESO ISS PBL23 END | 108.903 |
| HIERARCH ESO ISS PBLA23 START | 72.4 |
| HIERARCH ESO ISS PBLA23 END | 72.4 |
| HIERARCH ESO ISS PBL24 START | 193.631 |
| HIERARCH ESO ISS PBL24 END | 194.166 |
| HIERARCH ESO ISS PBLA24 START | 23.4 |
| HIERARCH ESO ISS PBLA24 END | 23.767 |
| HIERARCH ESO ISS PBL34 START | 147.272 |
| HIERARCH ESO ISS PBL34 END | 146.925 |
| HIERARCH ESO ISS PBLA34 START | 349.249 |
| HIERARCH ESO ISS PBLA34 END | 349.992 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00553 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007296 |
| HIERARCH ESO ISS AMBI TEMP | 12.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |