Exposure
- ID
- GRAVI.2023-03-19T05:25:30.451_2
- Header ID
- GRAVI.2023-03-19T05:25:30.451
- Date updated
- 2023-03-19 05:35:44 UTC+0000
- Release date
- 2023-03-19 05:25:30 UTC+0000
- UTC Start
- 2023-03-19 05:25:30.451
- UTC End
- 2023-03-19 05:27:00.451
- MJD Start
- 60022.22604689
- MJD End
- 60022.2270885567
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006938
- Ambient temperature (°C)
- 14.38
- Seeing (arcsec)
- 0.83
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
- 236.971724166667
- DEC
- -65.44269725
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 | 72.4440 | 72.6030 | 63.7000 | 64.2000 |
| A0-J2 | 120.9450 | 121.0500 | 44.7000 | 45.1000 |
| A0-K0 | 127.6900 | 127.7040 | 30.3490 | 30.7700 |
| G1-J2 | 57.5740 | 57.5640 | 20.4000 | 20.8000 |
| G1-K0 | 78.1370 | 78.1380 | 359.6770 | 359.9780 |
| J2-K0 | 31.6860 | 31.7630 | 319.7080 | 319.9520 |
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 | 60022.22604689 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965664 |
| 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 | 72.444 |
| HIERARCH ESO ISS PBL12 END | 72.603 |
| HIERARCH ESO ISS PBLA12 START | 63.7 |
| HIERARCH ESO ISS PBLA12 END | 64.2 |
| HIERARCH ESO ISS PBL13 START | 120.945 |
| HIERARCH ESO ISS PBL13 END | 121.05 |
| HIERARCH ESO ISS PBLA13 START | 44.7 |
| HIERARCH ESO ISS PBLA13 END | 45.1 |
| HIERARCH ESO ISS PBL14 START | 127.69 |
| HIERARCH ESO ISS PBL14 END | 127.704 |
| HIERARCH ESO ISS PBLA14 START | 30.349 |
| HIERARCH ESO ISS PBLA14 END | 30.77 |
| HIERARCH ESO ISS PBL23 START | 57.574 |
| HIERARCH ESO ISS PBL23 END | 57.564 |
| HIERARCH ESO ISS PBLA23 START | 20.4 |
| HIERARCH ESO ISS PBLA23 END | 20.8 |
| HIERARCH ESO ISS PBL24 START | 78.137 |
| HIERARCH ESO ISS PBL24 END | 78.138 |
| HIERARCH ESO ISS PBLA24 START | 359.677 |
| HIERARCH ESO ISS PBLA24 END | 359.978 |
| HIERARCH ESO ISS PBL34 START | 31.686 |
| HIERARCH ESO ISS PBL34 END | 31.763 |
| HIERARCH ESO ISS PBLA34 START | 319.708 |
| HIERARCH ESO ISS PBLA34 END | 319.952 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007347 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006529 |
| HIERARCH ESO ISS AMBI TEMP | 14.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |