Exposure
- ID
- GRAVI.2023-04-29T09:34:16.802_2
- Header ID
- GRAVI.2023-04-29T09:34:16.802
- Date updated
- 2023-04-29 09:45:38 UTC+0000
- Release date
- 2023-04-29 09:34:16 UTC+0000
- UTC Start
- 2023-04-29 09:34:16.802
- UTC End
- 2023-04-29 09:35:46.802
- MJD Start
- 60063.39880558
- MJD End
- 60063.3998472467
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061205
- Ambient temperature (°C)
- 15.67
- Seeing (arcsec)
- 0.495
Observation
- ID
- 54216
- Category
- calibrator
- Program ID
- 106.217D.005
- 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 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 90.4890 | 90.4910 | 156.5000 | 156.9000 |
| A0-J2 | 123.5280 | 123.4510 | 142.0000 | 142.4000 |
| A0-K0 | 107.1440 | 106.9560 | 125.6020 | 126.0860 |
| G1-J2 | 42.4710 | 42.3470 | 109.7000 | 110.2000 |
| G1-K0 | 55.0020 | 54.7820 | 68.0180 | 68.3380 |
| J2-K0 | 36.6330 | 36.6010 | 17.5220 | 17.7770 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60063.39880558 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.96566 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 90.489 |
| HIERARCH ESO ISS PBL12 END | 90.491 |
| HIERARCH ESO ISS PBLA12 START | 156.5 |
| HIERARCH ESO ISS PBLA12 END | 156.9 |
| HIERARCH ESO ISS PBL13 START | 123.528 |
| HIERARCH ESO ISS PBL13 END | 123.451 |
| HIERARCH ESO ISS PBLA13 START | 142.0 |
| HIERARCH ESO ISS PBLA13 END | 142.4 |
| HIERARCH ESO ISS PBL14 START | 107.144 |
| HIERARCH ESO ISS PBL14 END | 106.956 |
| HIERARCH ESO ISS PBLA14 START | 125.602 |
| HIERARCH ESO ISS PBLA14 END | 126.086 |
| HIERARCH ESO ISS PBL23 START | 42.471 |
| HIERARCH ESO ISS PBL23 END | 42.347 |
| HIERARCH ESO ISS PBLA23 START | 109.7 |
| HIERARCH ESO ISS PBLA23 END | 110.2 |
| HIERARCH ESO ISS PBL24 START | 55.002 |
| HIERARCH ESO ISS PBL24 END | 54.782 |
| HIERARCH ESO ISS PBLA24 START | 68.018 |
| HIERARCH ESO ISS PBLA24 END | 68.338 |
| HIERARCH ESO ISS PBL34 START | 36.633 |
| HIERARCH ESO ISS PBL34 END | 36.601 |
| HIERARCH ESO ISS PBLA34 START | 17.522 |
| HIERARCH ESO ISS PBLA34 END | 17.777 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007346 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004895 |
| HIERARCH ESO ISS AMBI TEMP | 15.67 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |