Exposure
- ID
- GRAVI.2023-02-24T07:53:11.512_2
- Header ID
- GRAVI.2023-02-24T07:53:11.512
- Date updated
- 2023-02-24 08:00:52 UTC+0000
- Release date
- 2023-02-24 07:53:11 UTC+0000
- UTC Start
- 2023-02-24 07:53:11.512
- UTC End
- 2023-02-24 07:54:41.512
- MJD Start
- 59999.32860546
- MJD End
- 59999.32964712667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002914
- Ambient temperature (°C)
- 11.57
- Seeing (arcsec)
- 1.07
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 | 18.2600 | 18.3150 | 107.9000 | 108.2000 |
| A0-D0 | 32.0030 | 32.0040 | 43.6000 | 44.0000 |
| A0-C1 | 19.3460 | 19.3840 | 78.1290 | 78.5630 |
| B2-D0 | 29.1680 | 29.1580 | 9.3000 | 9.6000 |
| B2-C1 | 9.7130 | 9.7100 | 9.2200 | 9.5200 |
| D0-C1 | 19.4540 | 19.4480 | 189.2790 | 189.5800 |
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 | 59999.32860546 |
| 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 | 18.26 |
| HIERARCH ESO ISS PBL12 END | 18.315 |
| HIERARCH ESO ISS PBLA12 START | 107.9 |
| HIERARCH ESO ISS PBLA12 END | 108.2 |
| HIERARCH ESO ISS PBL13 START | 32.003 |
| HIERARCH ESO ISS PBL13 END | 32.004 |
| HIERARCH ESO ISS PBLA13 START | 43.6 |
| HIERARCH ESO ISS PBLA13 END | 44.0 |
| HIERARCH ESO ISS PBL14 START | 19.346 |
| HIERARCH ESO ISS PBL14 END | 19.384 |
| HIERARCH ESO ISS PBLA14 START | 78.129 |
| HIERARCH ESO ISS PBLA14 END | 78.563 |
| HIERARCH ESO ISS PBL23 START | 29.168 |
| HIERARCH ESO ISS PBL23 END | 29.158 |
| HIERARCH ESO ISS PBLA23 START | 9.3 |
| HIERARCH ESO ISS PBLA23 END | 9.6 |
| HIERARCH ESO ISS PBL24 START | 9.713 |
| HIERARCH ESO ISS PBL24 END | 9.71 |
| HIERARCH ESO ISS PBLA24 START | 9.22 |
| HIERARCH ESO ISS PBLA24 END | 9.52 |
| HIERARCH ESO ISS PBL34 START | 19.454 |
| HIERARCH ESO ISS PBL34 END | 19.448 |
| HIERARCH ESO ISS PBLA34 START | 189.279 |
| HIERARCH ESO ISS PBLA34 END | 189.58 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002914 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002914 |
| HIERARCH ESO ISS AMBI TEMP | 11.57 |
| HIERARCH ESO ISS AMBI FWHM START | 1.07 |
| HIERARCH ESO ISS AMBI FWHM END | 1.07 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |