Exposure
- ID
- GRAVI.2025-04-24T07:03:19.389_1
- Header ID
- GRAVI.2025-04-24T07:03:19.389
- Date updated
- 2025-04-24 07:15:38 UTC+0000
- Release date
- 2025-04-24 07:03:19 UTC+0000
- UTC Start
- 2025-04-24 07:03:19.389
- UTC End
- 2025-04-24 07:09:59.389
- MJD Start
- 60789.29397441
- MJD End
- 60789.29860403963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007215
- Ambient temperature (°C)
- 12.8
- Seeing (arcsec)
- 0.625
Observation
- ID
- 66960
- Category
- calibrator
- Program ID
- 115.28G0.003
- Program Title
- VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
- Program Type
- Normal
- PI / COI
- LU / KRAUS / GARDNER
Target
- ID
- 49781
- Name
- HD_115840
- RA
- 200.109881
- DEC
- -47.54571
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 87.9870 | 87.7770 | 150.9000 | 152.4000 |
| A0-J2 | 113.9390 | 113.0060 | 131.5000 | 133.3000 |
| A0-K0 | 99.7810 | 98.2190 | 108.5900 | 110.1930 |
| G1-J2 | 42.5260 | 41.7060 | 88.2000 | 89.5000 |
| G1-K0 | 68.6630 | 67.7430 | 48.9740 | 49.5940 |
| J2-K0 | 44.7200 | 44.6360 | 11.9940 | 12.7870 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.28G0.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60789.29397441 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 115840 |
| HIERARCH ESO INS SOBJ NAME | HD_115840 |
| RA | 200.109881 |
| DEC | -47.54571 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 87.987 |
| HIERARCH ESO ISS PBL12 END | 87.777 |
| HIERARCH ESO ISS PBLA12 START | 150.9 |
| HIERARCH ESO ISS PBLA12 END | 152.4 |
| HIERARCH ESO ISS PBL13 START | 113.939 |
| HIERARCH ESO ISS PBL13 END | 113.006 |
| HIERARCH ESO ISS PBLA13 START | 131.5 |
| HIERARCH ESO ISS PBLA13 END | 133.3 |
| HIERARCH ESO ISS PBL14 START | 99.781 |
| HIERARCH ESO ISS PBL14 END | 98.219 |
| HIERARCH ESO ISS PBLA14 START | 108.59 |
| HIERARCH ESO ISS PBLA14 END | 110.193 |
| HIERARCH ESO ISS PBL23 START | 42.526 |
| HIERARCH ESO ISS PBL23 END | 41.706 |
| HIERARCH ESO ISS PBLA23 START | 88.2 |
| HIERARCH ESO ISS PBLA23 END | 89.5 |
| HIERARCH ESO ISS PBL24 START | 68.663 |
| HIERARCH ESO ISS PBL24 END | 67.743 |
| HIERARCH ESO ISS PBLA24 START | 48.974 |
| HIERARCH ESO ISS PBLA24 END | 49.594 |
| HIERARCH ESO ISS PBL34 START | 44.72 |
| HIERARCH ESO ISS PBL34 END | 44.636 |
| HIERARCH ESO ISS PBLA34 START | 11.994 |
| HIERARCH ESO ISS PBLA34 END | 12.787 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007601 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006829 |
| HIERARCH ESO ISS AMBI TEMP | 12.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |