Exposure
- ID
- GRAVI.2025-04-28T08:49:50.248_1
- Header ID
- GRAVI.2025-04-28T08:49:50.248
- Date updated
- 2025-04-28 09:00:35 UTC+0000
- Release date
- 2026-04-28 09:00:35 UTC+0000
- UTC Start
- 2025-04-28 08:49:50.248
- UTC End
- 2025-04-28 08:53:50.248
- MJD Start
- 60793.36794268
- MJD End
- 60793.37072045778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005409
- Ambient temperature (°C)
- 12.43
- Seeing (arcsec)
- 0.30000000000000004
Observation
- ID
- 67034
- Category
- science
- Program ID
- 115.28G0.002
- 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
- 49842
- Name
- HD_188111
- RA
- 298.559482
- DEC
- -19.49671
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 87.2800 | 87.6620 | 110.0000 | 110.2000 |
| A0-J2 | 122.3000 | 123.0090 | 86.0000 | 86.3000 |
| A0-K0 | 120.7850 | 121.4290 | 62.8880 | 63.3950 |
| G1-J2 | 55.4370 | 55.6580 | 46.1000 | 46.7000 |
| G1-K0 | 88.6020 | 88.6950 | 16.7140 | 17.2620 |
| J2-K0 | 48.6460 | 48.6430 | 342.6780 | 343.0450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.28G0.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60793.36794268 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 188111 |
| HIERARCH ESO INS SOBJ NAME | HD_188111 |
| RA | 298.559482 |
| DEC | -19.49671 |
| 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 | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 87.28 |
| HIERARCH ESO ISS PBL12 END | 87.662 |
| HIERARCH ESO ISS PBLA12 START | 110.0 |
| HIERARCH ESO ISS PBLA12 END | 110.2 |
| HIERARCH ESO ISS PBL13 START | 122.3 |
| HIERARCH ESO ISS PBL13 END | 123.009 |
| HIERARCH ESO ISS PBLA13 START | 86.0 |
| HIERARCH ESO ISS PBLA13 END | 86.3 |
| HIERARCH ESO ISS PBL14 START | 120.785 |
| HIERARCH ESO ISS PBL14 END | 121.429 |
| HIERARCH ESO ISS PBLA14 START | 62.888 |
| HIERARCH ESO ISS PBLA14 END | 63.395 |
| HIERARCH ESO ISS PBL23 START | 55.437 |
| HIERARCH ESO ISS PBL23 END | 55.658 |
| HIERARCH ESO ISS PBLA23 START | 46.1 |
| HIERARCH ESO ISS PBLA23 END | 46.7 |
| HIERARCH ESO ISS PBL24 START | 88.602 |
| HIERARCH ESO ISS PBL24 END | 88.695 |
| HIERARCH ESO ISS PBLA24 START | 16.714 |
| HIERARCH ESO ISS PBLA24 END | 17.262 |
| HIERARCH ESO ISS PBL34 START | 48.646 |
| HIERARCH ESO ISS PBL34 END | 48.643 |
| HIERARCH ESO ISS PBLA34 START | 342.678 |
| HIERARCH ESO ISS PBLA34 END | 343.045 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005624 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005194 |
| HIERARCH ESO ISS AMBI TEMP | 12.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.28 |
| HIERARCH ESO ISS AMBI FWHM END | 0.32 |