Exposure
- ID
- GRAVI.2022-09-28T04:31:37.742_1
- Header ID
- GRAVI.2022-09-28T04:31:37.742
- Date updated
- 2022-09-28 04:46:35 UTC+0000
- Release date
- 2023-09-28 04:46:35 UTC+0000
- UTC Start
- 2022-09-28 04:31:37.742
- UTC End
- 2022-09-28 04:38:17.742
- MJD Start
- 59850.18863127
- MJD End
- 59850.1932608996
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002128
- Ambient temperature (°C)
- 3.81
- Seeing (arcsec)
- 1.46
Observation
- ID
- 52539
- Category
- science
- Program ID
- 109.22XY.002
- Program Title
- HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
- Program Type
- Normal
- PI / COI
- GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ GIEREN/ KERVELLA/ MÉRAND
Target
- ID
- 39047
- Name
- LL_Aqr
- RA
- 338.674894
- DEC
- -3.5996
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 76.9600 | 75.6870 | 120.5000 | 121.2000 |
| A0-J2 | 115.7640 | 113.9650 | 94.6000 | 94.8000 |
| A0-J3 | 131.9250 | 131.6170 | 50.9800 | 50.9800 |
| G1-J2 | 57.3950 | 57.1200 | 58.8000 | 58.7000 |
| G1-J3 | 127.3660 | 127.6800 | 16.5010 | 17.0760 |
| J2-J3 | 93.2560 | 93.0730 | 352.0470 | 353.0140 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22XY.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 59850.18863127 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | LL Aqr |
| HIERARCH ESO INS SOBJ NAME | LL_Aqr |
| RA | 338.674894 |
| DEC | -3.5996 |
| 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 | J3 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 76.96 |
| HIERARCH ESO ISS PBL12 END | 75.687 |
| HIERARCH ESO ISS PBLA12 START | 120.5 |
| HIERARCH ESO ISS PBLA12 END | 121.2 |
| HIERARCH ESO ISS PBL13 START | 115.764 |
| HIERARCH ESO ISS PBL13 END | 113.965 |
| HIERARCH ESO ISS PBLA13 START | 94.6 |
| HIERARCH ESO ISS PBLA13 END | 94.8 |
| HIERARCH ESO ISS PBL14 START | 131.925 |
| HIERARCH ESO ISS PBL14 END | 131.617 |
| HIERARCH ESO ISS PBLA14 START | 50.98 |
| HIERARCH ESO ISS PBLA14 END | 50.98 |
| HIERARCH ESO ISS PBL23 START | 57.395 |
| HIERARCH ESO ISS PBL23 END | 57.12 |
| HIERARCH ESO ISS PBLA23 START | 58.8 |
| HIERARCH ESO ISS PBLA23 END | 58.7 |
| HIERARCH ESO ISS PBL24 START | 127.366 |
| HIERARCH ESO ISS PBL24 END | 127.68 |
| HIERARCH ESO ISS PBLA24 START | 16.501 |
| HIERARCH ESO ISS PBLA24 END | 17.076 |
| HIERARCH ESO ISS PBL34 START | 93.256 |
| HIERARCH ESO ISS PBL34 END | 93.073 |
| HIERARCH ESO ISS PBLA34 START | 352.047 |
| HIERARCH ESO ISS PBLA34 END | 353.014 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002274 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001982 |
| HIERARCH ESO ISS AMBI TEMP | 3.81 |
| HIERARCH ESO ISS AMBI FWHM START | 1.5 |
| HIERARCH ESO ISS AMBI FWHM END | 1.42 |