Exposure
- ID
- GRAVI.2022-04-11T02:15:32.248_1
- Header ID
- GRAVI.2022-04-11T02:15:32.248
- Date updated
- 2022-04-11 02:36:23 UTC+0000
- Release date
- 2023-04-11 02:36:23 UTC+0000
- UTC Start
- 2022-04-11 02:15:32.248
- UTC End
- 2022-04-11 02:22:12.248
- MJD Start
- 59680.09412324
- MJD End
- 59680.0987528696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004928
- Ambient temperature (°C)
- 11.94
- Seeing (arcsec)
- 0.615
Observation
- ID
- 50375
- Category
- science
- Program ID
- 106.217D.005
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 37643
- Name
- StarS1
- RA
- 219.84963
- DEC
- -60.83031
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 67.2750 | 68.0430 | 59.0000 | 60.9000 |
| A0-J2 | 115.8610 | 116.3890 | 38.2000 | 40.0000 |
| A0-K0 | 126.2350 | 126.3610 | 23.5450 | 25.1930 |
| G1-J2 | 58.1330 | 58.1210 | 13.9000 | 15.4000 |
| G1-K0 | 81.4090 | 81.4550 | 354.8970 | 356.0110 |
| J2-K0 | 32.5070 | 32.8510 | 319.3260 | 320.1360 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59680.09412324 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB_2022_04_08 |
| HIERARCH ESO INS SOBJ NAME | StarS1 |
| RA | 219.84963 |
| DEC | -60.83031 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 67.275 |
| HIERARCH ESO ISS PBL12 END | 68.043 |
| HIERARCH ESO ISS PBLA12 START | 59.0 |
| HIERARCH ESO ISS PBLA12 END | 60.9 |
| HIERARCH ESO ISS PBL13 START | 115.861 |
| HIERARCH ESO ISS PBL13 END | 116.389 |
| HIERARCH ESO ISS PBLA13 START | 38.2 |
| HIERARCH ESO ISS PBLA13 END | 40.0 |
| HIERARCH ESO ISS PBL14 START | 126.235 |
| HIERARCH ESO ISS PBL14 END | 126.361 |
| HIERARCH ESO ISS PBLA14 START | 23.545 |
| HIERARCH ESO ISS PBLA14 END | 25.193 |
| HIERARCH ESO ISS PBL23 START | 58.133 |
| HIERARCH ESO ISS PBL23 END | 58.121 |
| HIERARCH ESO ISS PBLA23 START | 13.9 |
| HIERARCH ESO ISS PBLA23 END | 15.4 |
| HIERARCH ESO ISS PBL24 START | 81.409 |
| HIERARCH ESO ISS PBL24 END | 81.455 |
| HIERARCH ESO ISS PBLA24 START | 354.897 |
| HIERARCH ESO ISS PBLA24 END | 356.011 |
| HIERARCH ESO ISS PBL34 START | 32.507 |
| HIERARCH ESO ISS PBL34 END | 32.851 |
| HIERARCH ESO ISS PBLA34 START | 319.326 |
| HIERARCH ESO ISS PBLA34 END | 320.136 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004958 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004898 |
| HIERARCH ESO ISS AMBI TEMP | 11.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB_2022_04_08 |
| HIERARCH ESO FT ROBJ ALPHA | 143924.807 |
| HIERARCH ESO FT ROBJ DELTA | -604948.751 |