Exposure
- ID
- GRAVI.2025-06-18T07:41:12.949_1
- Header ID
- GRAVI.2025-06-18T07:41:12.949
- Date updated
- 2025-06-18 07:56:13 UTC+0000
- Release date
- 2025-06-18 07:41:12 UTC+0000
- UTC Start
- 2025-06-18 07:41:12.949
- UTC End
- 2025-06-18 07:47:52.949
- MJD Start
- 60844.32028876
- MJD End
- 60844.324918389626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001973
- Ambient temperature (°C)
- 5.79
- Seeing (arcsec)
- 1.06
Observation
- ID
- 68150
- Category
- calibrator
- Program ID
- 113.26BP.001
- Program Title
- HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
- Program Type
- Normal
- PI / COI
- GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
- ID
- 50658
- Name
- HD_174718
- RA
- 282.948494
- DEC
- 4.69995
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 71.0490 | 69.5120 | 116.4000 | 116.9000 |
| A0-J2 | 112.2460 | 110.2640 | 90.3000 | 90.1000 |
| A0-K0 | 121.8560 | 120.6980 | 70.2500 | 69.9090 |
| G1-J2 | 57.6790 | 57.4580 | 57.4000 | 57.1000 |
| G1-K0 | 88.8820 | 89.1630 | 35.0470 | 35.1610 |
| J2-K0 | 41.7740 | 41.8240 | 3.3460 | 4.2300 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26BP.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60844.32028876 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD174718 |
| HIERARCH ESO INS SOBJ NAME | HD_174718 |
| RA | 282.948494 |
| DEC | 4.69995 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 71.049 |
| HIERARCH ESO ISS PBL12 END | 69.512 |
| HIERARCH ESO ISS PBLA12 START | 116.4 |
| HIERARCH ESO ISS PBLA12 END | 116.9 |
| HIERARCH ESO ISS PBL13 START | 112.246 |
| HIERARCH ESO ISS PBL13 END | 110.264 |
| HIERARCH ESO ISS PBLA13 START | 90.3 |
| HIERARCH ESO ISS PBLA13 END | 90.1 |
| HIERARCH ESO ISS PBL14 START | 121.856 |
| HIERARCH ESO ISS PBL14 END | 120.698 |
| HIERARCH ESO ISS PBLA14 START | 70.25 |
| HIERARCH ESO ISS PBLA14 END | 69.909 |
| HIERARCH ESO ISS PBL23 START | 57.679 |
| HIERARCH ESO ISS PBL23 END | 57.458 |
| HIERARCH ESO ISS PBLA23 START | 57.4 |
| HIERARCH ESO ISS PBLA23 END | 57.1 |
| HIERARCH ESO ISS PBL24 START | 88.882 |
| HIERARCH ESO ISS PBL24 END | 89.163 |
| HIERARCH ESO ISS PBLA24 START | 35.047 |
| HIERARCH ESO ISS PBLA24 END | 35.161 |
| HIERARCH ESO ISS PBL34 START | 41.774 |
| HIERARCH ESO ISS PBL34 END | 41.824 |
| HIERARCH ESO ISS PBLA34 START | 3.346 |
| HIERARCH ESO ISS PBLA34 END | 4.23 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001958 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001988 |
| HIERARCH ESO ISS AMBI TEMP | 5.79 |
| HIERARCH ESO ISS AMBI FWHM START | 1.06 |
| HIERARCH ESO ISS AMBI FWHM END | 1.06 |