Exposure
- ID
- GRAVI.2023-05-21T02:46:34.170_2
- Header ID
- GRAVI.2023-05-21T02:46:34.170
- Date updated
- 2023-05-21 02:55:37 UTC+0000
- Release date
- 2023-05-21 02:46:34 UTC+0000
- UTC Start
- 2023-05-21 02:46:34.170
- UTC End
- 2023-05-21 02:48:04.170
- MJD Start
- 60085.11567326
- MJD End
- 60085.11671492667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002653
- Ambient temperature (°C)
- 9.74
- Seeing (arcsec)
- 0.82
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 | 79.9180 | 80.0560 | 85.5000 | 86.0000 |
| A0-J2 | 125.8890 | 125.9760 | 66.5000 | 66.9000 |
| A0-K0 | 127.8950 | 127.8830 | 50.7210 | 51.1270 |
| G1-J2 | 56.6960 | 56.6680 | 39.1000 | 39.5000 |
| G1-K0 | 77.2090 | 77.1710 | 14.4950 | 14.7950 |
| J2-K0 | 34.8820 | 34.9340 | 331.8820 | 332.1320 |
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 | 60085.11567326 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965658 |
| 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 | 79.918 |
| HIERARCH ESO ISS PBL12 END | 80.056 |
| HIERARCH ESO ISS PBLA12 START | 85.5 |
| HIERARCH ESO ISS PBLA12 END | 86.0 |
| HIERARCH ESO ISS PBL13 START | 125.889 |
| HIERARCH ESO ISS PBL13 END | 125.976 |
| HIERARCH ESO ISS PBLA13 START | 66.5 |
| HIERARCH ESO ISS PBLA13 END | 66.9 |
| HIERARCH ESO ISS PBL14 START | 127.895 |
| HIERARCH ESO ISS PBL14 END | 127.883 |
| HIERARCH ESO ISS PBLA14 START | 50.721 |
| HIERARCH ESO ISS PBLA14 END | 51.127 |
| HIERARCH ESO ISS PBL23 START | 56.696 |
| HIERARCH ESO ISS PBL23 END | 56.668 |
| HIERARCH ESO ISS PBLA23 START | 39.1 |
| HIERARCH ESO ISS PBLA23 END | 39.5 |
| HIERARCH ESO ISS PBL24 START | 77.209 |
| HIERARCH ESO ISS PBL24 END | 77.171 |
| HIERARCH ESO ISS PBLA24 START | 14.495 |
| HIERARCH ESO ISS PBLA24 END | 14.795 |
| HIERARCH ESO ISS PBL34 START | 34.882 |
| HIERARCH ESO ISS PBL34 END | 34.934 |
| HIERARCH ESO ISS PBLA34 START | 331.882 |
| HIERARCH ESO ISS PBLA34 END | 332.132 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002665 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002641 |
| HIERARCH ESO ISS AMBI TEMP | 9.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |