Exposure
- ID
- GRAVI.2023-03-20T05:27:58.831_2
- Header ID
- GRAVI.2023-03-20T05:27:58.831
- Date updated
- 2023-03-20 05:40:52 UTC+0000
- Release date
- 2023-03-20 05:27:58 UTC+0000
- UTC Start
- 2023-03-20 05:27:58.831
- UTC End
- 2023-03-20 05:29:28.831
- MJD Start
- 60023.22776425
- MJD End
- 60023.22880591667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002479
- Ambient temperature (°C)
- 12.74
- Seeing (arcsec)
- 1.29
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
- 236.97172416666663
- DEC
- -65.44269725000001
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 | 73.0090 | 73.1660 | 65.4000 | 65.9000 |
| A0-J2 | 121.3180 | 121.4220 | 46.3000 | 46.7000 |
| A0-K0 | 127.7400 | 127.7530 | 31.8500 | 32.2630 |
| G1-J2 | 57.5370 | 57.5260 | 21.7000 | 22.1000 |
| G1-K0 | 78.1360 | 78.1340 | 0.7520 | 1.0480 |
| J2-K0 | 31.9600 | 32.0350 | 320.5810 | 320.8210 |
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 | 60023.22776425 |
| 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 | 73.009 |
| HIERARCH ESO ISS PBL12 END | 73.166 |
| HIERARCH ESO ISS PBLA12 START | 65.4 |
| HIERARCH ESO ISS PBLA12 END | 65.9 |
| HIERARCH ESO ISS PBL13 START | 121.318 |
| HIERARCH ESO ISS PBL13 END | 121.422 |
| HIERARCH ESO ISS PBLA13 START | 46.3 |
| HIERARCH ESO ISS PBLA13 END | 46.7 |
| HIERARCH ESO ISS PBL14 START | 127.74 |
| HIERARCH ESO ISS PBL14 END | 127.753 |
| HIERARCH ESO ISS PBLA14 START | 31.85 |
| HIERARCH ESO ISS PBLA14 END | 32.263 |
| HIERARCH ESO ISS PBL23 START | 57.537 |
| HIERARCH ESO ISS PBL23 END | 57.526 |
| HIERARCH ESO ISS PBLA23 START | 21.7 |
| HIERARCH ESO ISS PBLA23 END | 22.1 |
| HIERARCH ESO ISS PBL24 START | 78.136 |
| HIERARCH ESO ISS PBL24 END | 78.134 |
| HIERARCH ESO ISS PBLA24 START | 0.752 |
| HIERARCH ESO ISS PBLA24 END | 1.048 |
| HIERARCH ESO ISS PBL34 START | 31.96 |
| HIERARCH ESO ISS PBL34 END | 32.035 |
| HIERARCH ESO ISS PBLA34 START | 320.581 |
| HIERARCH ESO ISS PBLA34 END | 320.821 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002456 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002502 |
| HIERARCH ESO ISS AMBI TEMP | 12.74 |
| HIERARCH ESO ISS AMBI FWHM START | 1.33 |
| HIERARCH ESO ISS AMBI FWHM END | 1.25 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |