Exposure
- ID
- GRAVI.2025-04-23T06:52:12.153_1
- Header ID
- GRAVI.2025-04-23T06:52:12.153
- Date updated
- 2025-04-23 07:00:48 UTC+0000
- Release date
- 2025-04-23 06:52:12 UTC+0000
- UTC Start
- 2025-04-23 06:52:12.153
- UTC End
- 2025-04-23 06:56:12.153
- MJD Start
- 60788.28625177
- MJD End
- 60788.28902954778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006082
- Ambient temperature (°C)
- 12.96
- Seeing (arcsec)
- 0.835
Observation
- ID
- 66935
- Category
- calibrator
- 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
- 49763
- Name
- HD_172443
- RA
- 280.637503
- DEC
- -46.8066
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 75.0010 | 75.6380 | 89.1000 | 89.8000 |
| A0-J2 | 116.5620 | 117.1940 | 64.1000 | 65.0000 |
| A0-K0 | 124.0000 | 124.2770 | 44.1600 | 45.0630 |
| G1-J2 | 58.0010 | 58.0330 | 31.0000 | 31.8000 |
| G1-K0 | 88.4690 | 88.4370 | 7.4050 | 8.0230 |
| J2-K0 | 42.2380 | 42.3710 | 334.1120 | 334.5130 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.28G0.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60788.28625177 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 172443 |
| HIERARCH ESO INS SOBJ NAME | HD_172443 |
| RA | 280.637503 |
| DEC | -46.8066 |
| 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 | 75.001 |
| HIERARCH ESO ISS PBL12 END | 75.638 |
| HIERARCH ESO ISS PBLA12 START | 89.1 |
| HIERARCH ESO ISS PBLA12 END | 89.8 |
| HIERARCH ESO ISS PBL13 START | 116.562 |
| HIERARCH ESO ISS PBL13 END | 117.194 |
| HIERARCH ESO ISS PBLA13 START | 64.1 |
| HIERARCH ESO ISS PBLA13 END | 65.0 |
| HIERARCH ESO ISS PBL14 START | 124.0 |
| HIERARCH ESO ISS PBL14 END | 124.277 |
| HIERARCH ESO ISS PBLA14 START | 44.16 |
| HIERARCH ESO ISS PBLA14 END | 45.063 |
| HIERARCH ESO ISS PBL23 START | 58.001 |
| HIERARCH ESO ISS PBL23 END | 58.033 |
| HIERARCH ESO ISS PBLA23 START | 31.0 |
| HIERARCH ESO ISS PBLA23 END | 31.8 |
| HIERARCH ESO ISS PBL24 START | 88.469 |
| HIERARCH ESO ISS PBL24 END | 88.437 |
| HIERARCH ESO ISS PBLA24 START | 7.405 |
| HIERARCH ESO ISS PBLA24 END | 8.023 |
| HIERARCH ESO ISS PBL34 START | 42.238 |
| HIERARCH ESO ISS PBL34 END | 42.371 |
| HIERARCH ESO ISS PBLA34 START | 334.112 |
| HIERARCH ESO ISS PBLA34 END | 334.513 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005369 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006795 |
| HIERARCH ESO ISS AMBI TEMP | 12.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |