Exposure
- ID
- GRAVI.2022-04-28T03:00:35.799_2
- Header ID
- GRAVI.2022-04-28T03:00:35.799
- Date updated
- 2022-04-28 03:05:49 UTC+0000
- Release date
- 2022-04-28 03:00:35 UTC+0000
- UTC Start
- 2022-04-28 03:00:35.799
- UTC End
- 2022-04-28 03:01:35.799
- MJD Start
- 59697.12541434
- MJD End
- 59697.12610878445
- Exposure time (s)
- 60.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004706
- Ambient temperature (°C)
- 12.89
- Seeing (arcsec)
- 0.63
Observation
- ID
- 50673
- Category
- calibrator
- Program ID
- 106.217D.008
- 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 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 16.8530 | 16.8960 | 99.0000 | 99.2000 |
| A0-D0 | 31.9560 | 31.9580 | 33.5000 | 33.8000 |
| A0-C1 | 18.4020 | 18.4290 | 67.2170 | 67.5420 |
| B2-D0 | 29.3010 | 29.2990 | 1.9000 | 2.1000 |
| B2-C1 | 9.7570 | 9.7570 | 1.8820 | 2.0930 |
| D0-C1 | 19.5430 | 19.5420 | 181.9350 | 182.1470 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.008 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59697.12541434 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965677 |
| DEC | -65.44266 |
| 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 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 79.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 20 |
| HIERARCH ESO ISS PBL12 START | 16.853 |
| HIERARCH ESO ISS PBL12 END | 16.896 |
| HIERARCH ESO ISS PBLA12 START | 99.0 |
| HIERARCH ESO ISS PBLA12 END | 99.2 |
| HIERARCH ESO ISS PBL13 START | 31.956 |
| HIERARCH ESO ISS PBL13 END | 31.958 |
| HIERARCH ESO ISS PBLA13 START | 33.5 |
| HIERARCH ESO ISS PBLA13 END | 33.8 |
| HIERARCH ESO ISS PBL14 START | 18.402 |
| HIERARCH ESO ISS PBL14 END | 18.429 |
| HIERARCH ESO ISS PBLA14 START | 67.217 |
| HIERARCH ESO ISS PBLA14 END | 67.542 |
| HIERARCH ESO ISS PBL23 START | 29.301 |
| HIERARCH ESO ISS PBL23 END | 29.299 |
| HIERARCH ESO ISS PBLA23 START | 1.9 |
| HIERARCH ESO ISS PBLA23 END | 2.1 |
| HIERARCH ESO ISS PBL24 START | 9.757 |
| HIERARCH ESO ISS PBL24 END | 9.757 |
| HIERARCH ESO ISS PBLA24 START | 1.882 |
| HIERARCH ESO ISS PBLA24 END | 2.093 |
| HIERARCH ESO ISS PBL34 START | 19.543 |
| HIERARCH ESO ISS PBL34 END | 19.542 |
| HIERARCH ESO ISS PBLA34 START | 181.935 |
| HIERARCH ESO ISS PBLA34 END | 182.147 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004706 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004706 |
| HIERARCH ESO ISS AMBI TEMP | 12.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |