Exposure
- ID
- GRAVI.2024-03-17T07:39:29.703_2
- Header ID
- GRAVI.2024-03-17T07:39:29.703
- Date updated
- 2024-09-13 04:55:54 UTC+0000
- Release date
- 2024-03-17 07:39:29 UTC+0000
- UTC Start
- 2024-03-17 07:39:29.703
- UTC End
- 2024-03-17 07:41:05.703
- MJD Start
- 60386.31909379
- MJD End
- 60386.32020490111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006558
- Ambient temperature (°C)
- 16.31
- Seeing (arcsec)
- 1.09
Observation
- ID
- 58633
- Category
- calibrator
- Program ID
- 112.25BY.002
- Program Title
- GRAVITY ASTROMETRY OF STELLAR CONJUNCTIONS OF ALPHA CEN FOR STELLAR PHYSICS AND EXOPLANETS
- Program Type
- Normal
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ ROUSSELET-PERRAUT/ PERRIN
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 | 82.8070 | 82.9340 | 94.7000 | 95.2000 |
| A0-J2 | 127.6070 | 127.6760 | 76.0000 | 76.4000 |
| A0-K0 | 127.3840 | 127.3460 | 59.7590 | 60.1900 |
| G1-J2 | 55.9650 | 55.9230 | 47.5000 | 47.9000 |
| G1-K0 | 76.1430 | 76.0800 | 21.1970 | 21.5180 |
| J2-K0 | 35.9260 | 35.9700 | 337.5140 | 337.7860 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25BY.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60386.31909379 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965648 |
| DEC | -65.44268 |
| 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 | 118.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 82.807 |
| HIERARCH ESO ISS PBL12 END | 82.934 |
| HIERARCH ESO ISS PBLA12 START | 94.7 |
| HIERARCH ESO ISS PBLA12 END | 95.2 |
| HIERARCH ESO ISS PBL13 START | 127.607 |
| HIERARCH ESO ISS PBL13 END | 127.676 |
| HIERARCH ESO ISS PBLA13 START | 76.0 |
| HIERARCH ESO ISS PBLA13 END | 76.4 |
| HIERARCH ESO ISS PBL14 START | 127.384 |
| HIERARCH ESO ISS PBL14 END | 127.346 |
| HIERARCH ESO ISS PBLA14 START | 59.759 |
| HIERARCH ESO ISS PBLA14 END | 60.19 |
| HIERARCH ESO ISS PBL23 START | 55.965 |
| HIERARCH ESO ISS PBL23 END | 55.923 |
| HIERARCH ESO ISS PBLA23 START | 47.5 |
| HIERARCH ESO ISS PBLA23 END | 47.9 |
| HIERARCH ESO ISS PBL24 START | 76.143 |
| HIERARCH ESO ISS PBL24 END | 76.08 |
| HIERARCH ESO ISS PBLA24 START | 21.197 |
| HIERARCH ESO ISS PBLA24 END | 21.518 |
| HIERARCH ESO ISS PBL34 START | 35.926 |
| HIERARCH ESO ISS PBL34 END | 35.97 |
| HIERARCH ESO ISS PBLA34 START | 337.514 |
| HIERARCH ESO ISS PBLA34 END | 337.786 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006392 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006724 |
| HIERARCH ESO ISS AMBI TEMP | 16.31 |
| HIERARCH ESO ISS AMBI FWHM START | 1.12 |
| HIERARCH ESO ISS AMBI FWHM END | 1.06 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |