Exposure
- ID
- GRAVI.2022-04-28T03:02:11.803_2
- Header ID
- GRAVI.2022-04-28T03:02:11.803
- Date updated
- 2022-04-28 03:11:44 UTC+0000
- Release date
- 2022-04-28 03:02:11 UTC+0000
- UTC Start
- 2022-04-28 03:02:11.803
- UTC End
- 2022-04-28 03:03:11.803
- MJD Start
- 59697.1265255
- MJD End
- 59697.1272199445
- Exposure time (s)
- 60.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042785
- Ambient temperature (°C)
- 12.88
- Seeing (arcsec)
- 0.705
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 | 16.9070 | 16.9490 | 99.3000 | 99.6000 |
| A0-D0 | 31.9590 | 31.9610 | 33.8000 | 34.1000 |
| A0-C1 | 18.4370 | 18.4650 | 67.6320 | 67.9520 |
| B2-D0 | 29.2990 | 29.2970 | 2.2000 | 2.4000 |
| B2-C1 | 9.7570 | 9.7560 | 2.1520 | 2.3610 |
| D0-C1 | 19.5420 | 19.5410 | 182.2060 | 182.4150 |
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 | 59697.1265255 |
| 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 | 16.907 |
| HIERARCH ESO ISS PBL12 END | 16.949 |
| HIERARCH ESO ISS PBLA12 START | 99.3 |
| HIERARCH ESO ISS PBLA12 END | 99.6 |
| HIERARCH ESO ISS PBL13 START | 31.959 |
| HIERARCH ESO ISS PBL13 END | 31.961 |
| HIERARCH ESO ISS PBLA13 START | 33.8 |
| HIERARCH ESO ISS PBLA13 END | 34.1 |
| HIERARCH ESO ISS PBL14 START | 18.437 |
| HIERARCH ESO ISS PBL14 END | 18.465 |
| HIERARCH ESO ISS PBLA14 START | 67.632 |
| HIERARCH ESO ISS PBLA14 END | 67.952 |
| HIERARCH ESO ISS PBL23 START | 29.299 |
| HIERARCH ESO ISS PBL23 END | 29.297 |
| HIERARCH ESO ISS PBLA23 START | 2.2 |
| HIERARCH ESO ISS PBLA23 END | 2.4 |
| HIERARCH ESO ISS PBL24 START | 9.757 |
| HIERARCH ESO ISS PBL24 END | 9.756 |
| HIERARCH ESO ISS PBLA24 START | 2.152 |
| HIERARCH ESO ISS PBLA24 END | 2.361 |
| HIERARCH ESO ISS PBL34 START | 19.542 |
| HIERARCH ESO ISS PBL34 END | 19.541 |
| HIERARCH ESO ISS PBLA34 START | 182.206 |
| HIERARCH ESO ISS PBLA34 END | 182.415 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004706 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003851 |
| HIERARCH ESO ISS AMBI TEMP | 12.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |