Exposure
- ID
- GRAVI.2022-04-28T04:46:21.065_2
- Header ID
- GRAVI.2022-04-28T04:46:21.065
- Date updated
- 2022-04-28 04:56:08 UTC+0000
- Release date
- 2022-04-28 04:46:21 UTC+0000
- UTC Start
- 2022-04-28 04:46:21.065
- UTC End
- 2022-04-28 04:47:21.065
- MJD Start
- 59697.19885492
- MJD End
- 59697.1995493644
- Exposure time (s)
- 60.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003568
- Ambient temperature (°C)
- 14.22
- Seeing (arcsec)
- 0.695
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
- 236.971724166667
- DEC
- -65.44269725
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 | 19.9540 | 19.9850 | 119.8000 | 120.0000 |
| A0-D0 | 31.8990 | 31.8930 | 57.6000 | 57.8000 |
| A0-C1 | 20.5320 | 20.5530 | 92.5220 | 92.8080 |
| B2-D0 | 28.6730 | 28.6590 | 19.6000 | 19.8000 |
| B2-C1 | 9.5490 | 9.5440 | 19.5160 | 19.7260 |
| D0-C1 | 19.1240 | 19.1150 | 199.5810 | 199.7910 |
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 | 59697.19885492 |
| 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 | 19.954 |
| HIERARCH ESO ISS PBL12 END | 19.985 |
| HIERARCH ESO ISS PBLA12 START | 119.8 |
| HIERARCH ESO ISS PBLA12 END | 120.0 |
| HIERARCH ESO ISS PBL13 START | 31.899 |
| HIERARCH ESO ISS PBL13 END | 31.893 |
| HIERARCH ESO ISS PBLA13 START | 57.6 |
| HIERARCH ESO ISS PBLA13 END | 57.8 |
| HIERARCH ESO ISS PBL14 START | 20.532 |
| HIERARCH ESO ISS PBL14 END | 20.553 |
| HIERARCH ESO ISS PBLA14 START | 92.522 |
| HIERARCH ESO ISS PBLA14 END | 92.808 |
| HIERARCH ESO ISS PBL23 START | 28.673 |
| HIERARCH ESO ISS PBL23 END | 28.659 |
| HIERARCH ESO ISS PBLA23 START | 19.6 |
| HIERARCH ESO ISS PBLA23 END | 19.8 |
| HIERARCH ESO ISS PBL24 START | 9.549 |
| HIERARCH ESO ISS PBL24 END | 9.544 |
| HIERARCH ESO ISS PBLA24 START | 19.516 |
| HIERARCH ESO ISS PBLA24 END | 19.726 |
| HIERARCH ESO ISS PBL34 START | 19.124 |
| HIERARCH ESO ISS PBL34 END | 19.115 |
| HIERARCH ESO ISS PBLA34 START | 199.581 |
| HIERARCH ESO ISS PBLA34 END | 199.791 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003416 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00372 |
| HIERARCH ESO ISS AMBI TEMP | 14.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |