Exposure
- ID
- GRAVI.2022-04-28T04:37:48.043_2
- Header ID
- GRAVI.2022-04-28T04:37:48.043
- Date updated
- 2022-04-28 04:46:38 UTC+0000
- Release date
- 2022-04-28 04:37:48 UTC+0000
- UTC Start
- 2022-04-28 04:37:48.043
- UTC End
- 2022-04-28 04:38:48.043
- MJD Start
- 59697.19291717
- MJD End
- 59697.19361161445
- Exposure time (s)
- 60.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003426
- Ambient temperature (°C)
- 14.09
- Seeing (arcsec)
- 0.665
Observation
- ID
- 50671
- 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
- 37814
- Name
- WDSJ15479-6527A
- RA
- 236.97106666666664
- DEC
- -65.44230777777778
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 | 19.7420 | 19.7730 | 118.2000 | 118.4000 |
| A0-D0 | 31.9290 | 31.9250 | 55.6000 | 55.9000 |
| A0-C1 | 20.3820 | 20.4040 | 90.5840 | 90.8690 |
| B2-D0 | 28.7630 | 28.7510 | 18.1000 | 18.3000 |
| B2-C1 | 9.5790 | 9.5750 | 18.0970 | 18.3040 |
| D0-C1 | 19.1850 | 19.1760 | 198.1610 | 198.3680 |
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 | 59697.19291717 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| 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 | 19.742 |
| HIERARCH ESO ISS PBL12 END | 19.773 |
| HIERARCH ESO ISS PBLA12 START | 118.2 |
| HIERARCH ESO ISS PBLA12 END | 118.4 |
| HIERARCH ESO ISS PBL13 START | 31.929 |
| HIERARCH ESO ISS PBL13 END | 31.925 |
| HIERARCH ESO ISS PBLA13 START | 55.6 |
| HIERARCH ESO ISS PBLA13 END | 55.9 |
| HIERARCH ESO ISS PBL14 START | 20.382 |
| HIERARCH ESO ISS PBL14 END | 20.404 |
| HIERARCH ESO ISS PBLA14 START | 90.584 |
| HIERARCH ESO ISS PBLA14 END | 90.869 |
| HIERARCH ESO ISS PBL23 START | 28.763 |
| HIERARCH ESO ISS PBL23 END | 28.751 |
| HIERARCH ESO ISS PBLA23 START | 18.1 |
| HIERARCH ESO ISS PBLA23 END | 18.3 |
| HIERARCH ESO ISS PBL24 START | 9.579 |
| HIERARCH ESO ISS PBL24 END | 9.575 |
| HIERARCH ESO ISS PBLA24 START | 18.097 |
| HIERARCH ESO ISS PBLA24 END | 18.304 |
| HIERARCH ESO ISS PBL34 START | 19.185 |
| HIERARCH ESO ISS PBL34 END | 19.176 |
| HIERARCH ESO ISS PBLA34 START | 198.161 |
| HIERARCH ESO ISS PBLA34 END | 198.368 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003671 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003181 |
| HIERARCH ESO ISS AMBI TEMP | 14.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |