Exposure
- ID
- GRAVI.2023-02-24T07:41:35.482_2
- Header ID
- GRAVI.2023-02-24T07:41:35.482
- Date updated
- 2023-02-24 07:50:46 UTC+0000
- Release date
- 2023-02-24 07:41:35 UTC+0000
- UTC Start
- 2023-02-24 07:41:35.482
- UTC End
- 2023-02-24 07:43:05.482
- MJD Start
- 59999.32054956
- MJD End
- 59999.32159122667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003424
- Ambient temperature (°C)
- 11.5
- Seeing (arcsec)
- 1.15
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 | 17.9030 | 17.9600 | 105.6000 | 105.9000 |
| A0-D0 | 31.9980 | 31.9990 | 40.9000 | 41.3000 |
| A0-C1 | 19.1020 | 19.1400 | 75.3110 | 75.7510 |
| B2-D0 | 29.2200 | 29.2130 | 7.3000 | 7.6000 |
| B2-C1 | 9.7310 | 9.7280 | 7.2830 | 7.5830 |
| D0-C1 | 19.4890 | 19.4850 | 187.3400 | 187.6410 |
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 | 59999.32054956 |
| 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 | 17.903 |
| HIERARCH ESO ISS PBL12 END | 17.96 |
| HIERARCH ESO ISS PBLA12 START | 105.6 |
| HIERARCH ESO ISS PBLA12 END | 105.9 |
| HIERARCH ESO ISS PBL13 START | 31.998 |
| HIERARCH ESO ISS PBL13 END | 31.999 |
| HIERARCH ESO ISS PBLA13 START | 40.9 |
| HIERARCH ESO ISS PBLA13 END | 41.3 |
| HIERARCH ESO ISS PBL14 START | 19.102 |
| HIERARCH ESO ISS PBL14 END | 19.14 |
| HIERARCH ESO ISS PBLA14 START | 75.311 |
| HIERARCH ESO ISS PBLA14 END | 75.751 |
| HIERARCH ESO ISS PBL23 START | 29.22 |
| HIERARCH ESO ISS PBL23 END | 29.213 |
| HIERARCH ESO ISS PBLA23 START | 7.3 |
| HIERARCH ESO ISS PBLA23 END | 7.6 |
| HIERARCH ESO ISS PBL24 START | 9.731 |
| HIERARCH ESO ISS PBL24 END | 9.728 |
| HIERARCH ESO ISS PBLA24 START | 7.283 |
| HIERARCH ESO ISS PBLA24 END | 7.583 |
| HIERARCH ESO ISS PBL34 START | 19.489 |
| HIERARCH ESO ISS PBL34 END | 19.485 |
| HIERARCH ESO ISS PBLA34 START | 187.34 |
| HIERARCH ESO ISS PBLA34 END | 187.641 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003424 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003424 |
| HIERARCH ESO ISS AMBI TEMP | 11.5 |
| HIERARCH ESO ISS AMBI FWHM START | 1.15 |
| HIERARCH ESO ISS AMBI FWHM END | 1.15 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |