Exposure
- ID
- GRAVI.2023-03-23T06:15:29.894_2
- Header ID
- GRAVI.2023-03-23T06:15:29.894
- Date updated
- 2023-03-23 06:20:43 UTC+0000
- Release date
- 2023-03-23 06:15:29 UTC+0000
- UTC Start
- 2023-03-23 06:15:29.894
- UTC End
- 2023-03-23 06:16:59.894
- MJD Start
- 60026.26076266
- MJD End
- 60026.2618043267
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0057425
- Ambient temperature (°C)
- 14.68
- Seeing (arcsec)
- 0.605
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 | 78.0970 | 78.2430 | 80.1000 | 80.6000 |
| A0-J2 | 124.7090 | 124.8050 | 61.0000 | 61.4000 |
| A0-K0 | 127.9790 | 127.9770 | 45.5120 | 45.9210 |
| G1-J2 | 57.0130 | 56.9910 | 34.3000 | 34.7000 |
| G1-K0 | 77.6450 | 77.6170 | 10.6610 | 10.9610 |
| J2-K0 | 34.1780 | 34.2360 | 328.6990 | 328.9480 |
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 | 60026.26076266 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965664 |
| 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 | 78.097 |
| HIERARCH ESO ISS PBL12 END | 78.243 |
| HIERARCH ESO ISS PBLA12 START | 80.1 |
| HIERARCH ESO ISS PBLA12 END | 80.6 |
| HIERARCH ESO ISS PBL13 START | 124.709 |
| HIERARCH ESO ISS PBL13 END | 124.805 |
| HIERARCH ESO ISS PBLA13 START | 61.0 |
| HIERARCH ESO ISS PBLA13 END | 61.4 |
| HIERARCH ESO ISS PBL14 START | 127.979 |
| HIERARCH ESO ISS PBL14 END | 127.977 |
| HIERARCH ESO ISS PBLA14 START | 45.512 |
| HIERARCH ESO ISS PBLA14 END | 45.921 |
| HIERARCH ESO ISS PBL23 START | 57.013 |
| HIERARCH ESO ISS PBL23 END | 56.991 |
| HIERARCH ESO ISS PBLA23 START | 34.3 |
| HIERARCH ESO ISS PBLA23 END | 34.7 |
| HIERARCH ESO ISS PBL24 START | 77.645 |
| HIERARCH ESO ISS PBL24 END | 77.617 |
| HIERARCH ESO ISS PBLA24 START | 10.661 |
| HIERARCH ESO ISS PBLA24 END | 10.961 |
| HIERARCH ESO ISS PBL34 START | 34.178 |
| HIERARCH ESO ISS PBL34 END | 34.236 |
| HIERARCH ESO ISS PBLA34 START | 328.699 |
| HIERARCH ESO ISS PBLA34 END | 328.948 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005482 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006003 |
| HIERARCH ESO ISS AMBI TEMP | 14.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |