Exposure
- ID
- GRAVI.2025-05-24T01:58:14.212_1
- Header ID
- GRAVI.2025-05-24T01:58:14.212
- Date updated
- 2025-05-24 02:11:07 UTC+0000
- Release date
- 2025-05-24 01:58:14 UTC+0000
- UTC Start
- 2025-05-24 01:58:14.212
- UTC End
- 2025-05-24 02:02:14.212
- MJD Start
- 60819.08210893
- MJD End
- 60819.08488670778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029490000000000002
- Ambient temperature (°C)
- 12.46
- Seeing (arcsec)
- 0.745
Observation
- ID
- 65925
- 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
- 49075
- Name
- HD_120802
- RA
- 207.800218
- DEC
- 27.12884
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| K0-G2 | 68.0880 | 68.1770 | 274.2000 | 273.7000 |
| K0-D0 | 89.6630 | 90.2100 | 260.8000 | 260.3000 |
| K0-J3 | 43.1810 | 42.7850 | 319.3580 | 319.4950 |
| G2-D0 | 28.2610 | 28.6000 | 226.8000 | 226.9000 |
| G2-J3 | 48.5420 | 49.1140 | 55.0450 | 55.0350 |
| D0-J3 | 76.6170 | 77.5330 | 52.0010 | 52.0540 |
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 | 60819.08210893 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD120802 |
| HIERARCH ESO INS SOBJ NAME | HD_120802 |
| RA | 207.800218 |
| DEC | 27.12884 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | K0 |
| HIERARCH ESO ISS CONF STATION2 | G2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | J3 |
| EXPTIME | 256.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 68.088 |
| HIERARCH ESO ISS PBL12 END | 68.177 |
| HIERARCH ESO ISS PBLA12 START | 274.2 |
| HIERARCH ESO ISS PBLA12 END | 273.7 |
| HIERARCH ESO ISS PBL13 START | 89.663 |
| HIERARCH ESO ISS PBL13 END | 90.21 |
| HIERARCH ESO ISS PBLA13 START | 260.8 |
| HIERARCH ESO ISS PBLA13 END | 260.3 |
| HIERARCH ESO ISS PBL14 START | 43.181 |
| HIERARCH ESO ISS PBL14 END | 42.785 |
| HIERARCH ESO ISS PBLA14 START | 319.358 |
| HIERARCH ESO ISS PBLA14 END | 319.495 |
| HIERARCH ESO ISS PBL23 START | 28.261 |
| HIERARCH ESO ISS PBL23 END | 28.6 |
| HIERARCH ESO ISS PBLA23 START | 226.8 |
| HIERARCH ESO ISS PBLA23 END | 226.9 |
| HIERARCH ESO ISS PBL24 START | 48.542 |
| HIERARCH ESO ISS PBL24 END | 49.114 |
| HIERARCH ESO ISS PBLA24 START | 55.045 |
| HIERARCH ESO ISS PBLA24 END | 55.035 |
| HIERARCH ESO ISS PBL34 START | 76.617 |
| HIERARCH ESO ISS PBL34 END | 77.533 |
| HIERARCH ESO ISS PBLA34 START | 52.001 |
| HIERARCH ESO ISS PBLA34 END | 52.054 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002991 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002907 |
| HIERARCH ESO ISS AMBI TEMP | 12.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |