Exposure
- ID
- GRAVI.2025-11-10T01:45:17.234_1
- Header ID
- GRAVI.2025-11-10T01:45:17.234
- Date updated
- 2025-11-10 02:00:32 UTC+0000
- Release date
- 2025-11-10 01:45:17 UTC+0000
- UTC Start
- 2025-11-10 01:45:17.234
- UTC End
- 2025-11-10 01:49:33.234
- MJD Start
- 60989.07311614
- MJD End
- 60989.07607910297
- Exposure time (s)
- 256.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0059405
- Ambient temperature (°C)
- 13.81
- Seeing (arcsec)
- 0.625
Observation
- ID
- 71376
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52997
- Name
- HD_220986
- RA
- 352.209257
- DEC
- -59.43675
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 46.6480 | 46.3980 | 38.3000 | 39.1000 |
| U1-U3 | 85.8530 | 85.3490 | 45.7000 | 46.6000 |
| U1-U4 | 120.3360 | 119.7280 | 75.1990 | 76.3250 |
| U2-U3 | 40.0580 | 39.8130 | 54.4000 | 55.3000 |
| U2-U4 | 87.6490 | 87.4220 | 93.8460 | 95.0570 |
| U3-U4 | 62.1690 | 62.2330 | 118.0160 | 119.1830 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60989.07311614 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 220986 |
| HIERARCH ESO INS SOBJ NAME | HD_220986 |
| RA | 352.209257 |
| DEC | -59.43675 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 337.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 256 |
| HIERARCH ESO ISS PBL12 START | 46.648 |
| HIERARCH ESO ISS PBL12 END | 46.398 |
| HIERARCH ESO ISS PBLA12 START | 38.3 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 85.853 |
| HIERARCH ESO ISS PBL13 END | 85.349 |
| HIERARCH ESO ISS PBLA13 START | 45.7 |
| HIERARCH ESO ISS PBLA13 END | 46.6 |
| HIERARCH ESO ISS PBL14 START | 120.336 |
| HIERARCH ESO ISS PBL14 END | 119.728 |
| HIERARCH ESO ISS PBLA14 START | 75.199 |
| HIERARCH ESO ISS PBLA14 END | 76.325 |
| HIERARCH ESO ISS PBL23 START | 40.058 |
| HIERARCH ESO ISS PBL23 END | 39.813 |
| HIERARCH ESO ISS PBLA23 START | 54.4 |
| HIERARCH ESO ISS PBLA23 END | 55.3 |
| HIERARCH ESO ISS PBL24 START | 87.649 |
| HIERARCH ESO ISS PBL24 END | 87.422 |
| HIERARCH ESO ISS PBLA24 START | 93.846 |
| HIERARCH ESO ISS PBLA24 END | 95.057 |
| HIERARCH ESO ISS PBL34 START | 62.169 |
| HIERARCH ESO ISS PBL34 END | 62.233 |
| HIERARCH ESO ISS PBLA34 START | 118.016 |
| HIERARCH ESO ISS PBLA34 END | 119.183 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005931 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00595 |
| HIERARCH ESO ISS AMBI TEMP | 13.81 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |