Exposure
- ID
- GRAVI.2023-02-24T09:01:17.687_2
- Header ID
- GRAVI.2023-02-24T09:01:17.687
- Date updated
- 2023-02-24 09:10:54 UTC+0000
- Release date
- 2023-02-24 09:01:17 UTC+0000
- UTC Start
- 2023-02-24 09:01:17.687
- UTC End
- 2023-02-24 09:02:47.687
- MJD Start
- 59999.37589916
- MJD End
- 59999.37694082667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037755
- Ambient temperature (°C)
- 11.09
- Seeing (arcsec)
- 0.925
Observation
- ID
- 54268
- 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
- 236.97172416666663
- DEC
- -65.44269725000001
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 | 20.1050 | 20.1480 | 120.9000 | 121.3000 |
| A0-D0 | 31.8720 | 31.8640 | 58.9000 | 59.3000 |
| A0-C1 | 20.6370 | 20.6670 | 93.9290 | 94.3330 |
| B2-D0 | 28.6020 | 28.5810 | 20.6000 | 20.9000 |
| B2-C1 | 9.5250 | 9.5180 | 20.5520 | 20.8510 |
| D0-C1 | 19.0770 | 19.0630 | 200.6180 | 200.9170 |
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 | 59999.37589916 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965666 |
| 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 | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 20.105 |
| HIERARCH ESO ISS PBL12 END | 20.148 |
| HIERARCH ESO ISS PBLA12 START | 120.9 |
| HIERARCH ESO ISS PBLA12 END | 121.3 |
| HIERARCH ESO ISS PBL13 START | 31.872 |
| HIERARCH ESO ISS PBL13 END | 31.864 |
| HIERARCH ESO ISS PBLA13 START | 58.9 |
| HIERARCH ESO ISS PBLA13 END | 59.3 |
| HIERARCH ESO ISS PBL14 START | 20.637 |
| HIERARCH ESO ISS PBL14 END | 20.667 |
| HIERARCH ESO ISS PBLA14 START | 93.929 |
| HIERARCH ESO ISS PBLA14 END | 94.333 |
| HIERARCH ESO ISS PBL23 START | 28.602 |
| HIERARCH ESO ISS PBL23 END | 28.581 |
| HIERARCH ESO ISS PBLA23 START | 20.6 |
| HIERARCH ESO ISS PBLA23 END | 20.9 |
| HIERARCH ESO ISS PBL24 START | 9.525 |
| HIERARCH ESO ISS PBL24 END | 9.518 |
| HIERARCH ESO ISS PBLA24 START | 20.552 |
| HIERARCH ESO ISS PBLA24 END | 20.851 |
| HIERARCH ESO ISS PBL34 START | 19.077 |
| HIERARCH ESO ISS PBL34 END | 19.063 |
| HIERARCH ESO ISS PBLA34 START | 200.618 |
| HIERARCH ESO ISS PBLA34 END | 200.917 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003979 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003572 |
| HIERARCH ESO ISS AMBI TEMP | 11.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.95 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |