Exposure
- ID
- GRAVI.2023-06-23T05:38:18.813_2
- Header ID
- GRAVI.2023-06-23T05:38:18.813
- Date updated
- 2023-06-23 05:46:10 UTC+0000
- Release date
- 2023-06-23 05:38:18 UTC+0000
- UTC Start
- 2023-06-23 05:38:18.813
- UTC End
- 2023-06-23 05:39:48.813
- MJD Start
- 60118.23493996
- MJD End
- 60118.23598162667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003374
- Ambient temperature (°C)
- 13.57
- Seeing (arcsec)
- 0.79
Observation
- ID
- 54216
- Category
- calibrator
- 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
- 37816
- Name
- WDSJ15479-6527B
- RA
- 236.97172416666663
- DEC
- -65.44269725000001
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 90.4490 | 90.4540 | 152.0000 | 152.4000 |
| A0-J2 | 124.3780 | 124.3010 | 137.0000 | 137.5000 |
| A0-K0 | 109.1980 | 109.0100 | 120.3910 | 120.8590 |
| G1-J2 | 43.8080 | 43.6870 | 104.7000 | 105.1000 |
| G1-K0 | 57.3260 | 57.1190 | 64.5560 | 64.8690 |
| J2-K0 | 36.9480 | 36.9220 | 14.7210 | 14.9770 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60118.23493996 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965654 |
| DEC | -65.44267 |
| 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 | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 90.449 |
| HIERARCH ESO ISS PBL12 END | 90.454 |
| HIERARCH ESO ISS PBLA12 START | 152.0 |
| HIERARCH ESO ISS PBLA12 END | 152.4 |
| HIERARCH ESO ISS PBL13 START | 124.378 |
| HIERARCH ESO ISS PBL13 END | 124.301 |
| HIERARCH ESO ISS PBLA13 START | 137.0 |
| HIERARCH ESO ISS PBLA13 END | 137.5 |
| HIERARCH ESO ISS PBL14 START | 109.198 |
| HIERARCH ESO ISS PBL14 END | 109.01 |
| HIERARCH ESO ISS PBLA14 START | 120.391 |
| HIERARCH ESO ISS PBLA14 END | 120.859 |
| HIERARCH ESO ISS PBL23 START | 43.808 |
| HIERARCH ESO ISS PBL23 END | 43.687 |
| HIERARCH ESO ISS PBLA23 START | 104.7 |
| HIERARCH ESO ISS PBLA23 END | 105.1 |
| HIERARCH ESO ISS PBL24 START | 57.326 |
| HIERARCH ESO ISS PBL24 END | 57.119 |
| HIERARCH ESO ISS PBLA24 START | 64.556 |
| HIERARCH ESO ISS PBLA24 END | 64.869 |
| HIERARCH ESO ISS PBL34 START | 36.948 |
| HIERARCH ESO ISS PBL34 END | 36.922 |
| HIERARCH ESO ISS PBLA34 START | 14.721 |
| HIERARCH ESO ISS PBLA34 END | 14.977 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003374 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003374 |
| HIERARCH ESO ISS AMBI TEMP | 13.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |