Exposure
- ID
- GRAVI.2024-02-29T07:53:57.798_2
- Header ID
- GRAVI.2024-02-29T07:53:57.798
- Date updated
- 2024-09-13 04:55:52 UTC+0000
- Release date
- 2024-02-29 07:53:57 UTC+0000
- UTC Start
- 2024-02-29 07:53:57.798
- UTC End
- 2024-02-29 07:55:33.798
- MJD Start
- 60369.32914118
- MJD End
- 60369.33025229111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008279
- Ambient temperature (°C)
- 15.25
- Seeing (arcsec)
- 0.56
Observation
- ID
- 58570
- Category
- calibrator
- Program ID
- 112.25BY.002
- Program Title
- GRAVITY ASTROMETRY OF STELLAR CONJUNCTIONS OF ALPHA CEN FOR STELLAR PHYSICS AND EXOPLANETS
- Program Type
- Normal
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ ROUSSELET-PERRAUT/ PERRIN
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 | 18.8280 | 18.8830 | 111.7000 | 112.0000 |
| A0-D0 | 31.9970 | 31.9960 | 48.0000 | 48.4000 |
| A0-C1 | 19.7410 | 19.7790 | 82.7390 | 83.1880 |
| B2-D0 | 29.0510 | 29.0370 | 12.5000 | 12.8000 |
| B2-C1 | 9.6740 | 9.6700 | 12.4530 | 12.7700 |
| D0-C1 | 19.3760 | 19.3670 | 192.5140 | 192.8310 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25BY.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60369.32914118 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965649 |
| 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 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 118.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 18.828 |
| HIERARCH ESO ISS PBL12 END | 18.883 |
| HIERARCH ESO ISS PBLA12 START | 111.7 |
| HIERARCH ESO ISS PBLA12 END | 112.0 |
| HIERARCH ESO ISS PBL13 START | 31.997 |
| HIERARCH ESO ISS PBL13 END | 31.996 |
| HIERARCH ESO ISS PBLA13 START | 48.0 |
| HIERARCH ESO ISS PBLA13 END | 48.4 |
| HIERARCH ESO ISS PBL14 START | 19.741 |
| HIERARCH ESO ISS PBL14 END | 19.779 |
| HIERARCH ESO ISS PBLA14 START | 82.739 |
| HIERARCH ESO ISS PBLA14 END | 83.188 |
| HIERARCH ESO ISS PBL23 START | 29.051 |
| HIERARCH ESO ISS PBL23 END | 29.037 |
| HIERARCH ESO ISS PBLA23 START | 12.5 |
| HIERARCH ESO ISS PBLA23 END | 12.8 |
| HIERARCH ESO ISS PBL24 START | 9.674 |
| HIERARCH ESO ISS PBL24 END | 9.67 |
| HIERARCH ESO ISS PBLA24 START | 12.453 |
| HIERARCH ESO ISS PBLA24 END | 12.77 |
| HIERARCH ESO ISS PBL34 START | 19.376 |
| HIERARCH ESO ISS PBL34 END | 19.367 |
| HIERARCH ESO ISS PBLA34 START | 192.514 |
| HIERARCH ESO ISS PBLA34 END | 192.831 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007872 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008686 |
| HIERARCH ESO ISS AMBI TEMP | 15.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |