Exposure
- ID
- GRAVI.2023-02-26T09:14:42.880_2
- Header ID
- GRAVI.2023-02-26T09:14:42.880
- Date updated
- 2023-02-26 09:20:49 UTC+0000
- Release date
- 2023-02-26 09:14:42 UTC+0000
- UTC Start
- 2023-02-26 09:14:42.880
- UTC End
- 2023-02-26 09:16:12.880
- MJD Start
- 60001.38521852
- MJD End
- 60001.38626018667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0083195
- Ambient temperature (°C)
- 12.62
- Seeing (arcsec)
- 0.445
Observation
- ID
- 54266
- 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
- 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 | 20.5920 | 20.6310 | 124.9000 | 125.2000 |
| A0-D0 | 31.7550 | 31.7430 | 63.7000 | 64.1000 |
| A0-C1 | 20.9780 | 21.0050 | 98.6830 | 99.0820 |
| B2-D0 | 28.3310 | 28.3060 | 24.1000 | 24.4000 |
| B2-C1 | 9.4350 | 9.4270 | 24.0800 | 24.3780 |
| D0-C1 | 18.8960 | 18.8790 | 204.1480 | 204.4460 |
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 | 60001.38521852 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| 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 | 20.592 |
| HIERARCH ESO ISS PBL12 END | 20.631 |
| HIERARCH ESO ISS PBLA12 START | 124.9 |
| HIERARCH ESO ISS PBLA12 END | 125.2 |
| HIERARCH ESO ISS PBL13 START | 31.755 |
| HIERARCH ESO ISS PBL13 END | 31.743 |
| HIERARCH ESO ISS PBLA13 START | 63.7 |
| HIERARCH ESO ISS PBLA13 END | 64.1 |
| HIERARCH ESO ISS PBL14 START | 20.978 |
| HIERARCH ESO ISS PBL14 END | 21.005 |
| HIERARCH ESO ISS PBLA14 START | 98.683 |
| HIERARCH ESO ISS PBLA14 END | 99.082 |
| HIERARCH ESO ISS PBL23 START | 28.331 |
| HIERARCH ESO ISS PBL23 END | 28.306 |
| HIERARCH ESO ISS PBLA23 START | 24.1 |
| HIERARCH ESO ISS PBLA23 END | 24.4 |
| HIERARCH ESO ISS PBL24 START | 9.435 |
| HIERARCH ESO ISS PBL24 END | 9.427 |
| HIERARCH ESO ISS PBLA24 START | 24.08 |
| HIERARCH ESO ISS PBLA24 END | 24.378 |
| HIERARCH ESO ISS PBL34 START | 18.896 |
| HIERARCH ESO ISS PBL34 END | 18.879 |
| HIERARCH ESO ISS PBLA34 START | 204.148 |
| HIERARCH ESO ISS PBLA34 END | 204.446 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008977 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007662 |
| HIERARCH ESO ISS AMBI TEMP | 12.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |