Exposure
- ID
- GRAVI.2024-03-16T08:37:47.439_2
- Header ID
- GRAVI.2024-03-16T08:37:47.439
- Date updated
- 2024-03-16 08:50:33 UTC+0000
- Release date
- 2024-03-16 08:37:47 UTC+0000
- UTC Start
- 2024-03-16 08:37:47.439
- UTC End
- 2024-03-16 08:39:23.439
- MJD Start
- 60385.35957684
- MJD End
- 60385.3606879511
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005324
- Ambient temperature (°C)
- 16.75
- Seeing (arcsec)
- 0.685
Observation
- ID
- 58631
- 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
- 37814
- Name
- WDSJ15479-6527A
- RA
- 236.971066666667
- DEC
- -65.4423077777778
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 | 85.9460 | 86.0410 | 106.7000 | 107.2000 |
| A0-J2 | 128.9920 | 129.0190 | 88.4000 | 88.9000 |
| A0-K0 | 125.7650 | 125.6850 | 71.8310 | 72.2600 |
| G1-J2 | 54.5260 | 54.4650 | 58.8000 | 59.2000 |
| G1-K0 | 73.9870 | 73.8950 | 30.1790 | 30.4980 |
| J2-K0 | 36.9420 | 36.9700 | 345.1860 | 345.4600 |
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 | 60385.35957684 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| 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 | 85.946 |
| HIERARCH ESO ISS PBL12 END | 86.041 |
| HIERARCH ESO ISS PBLA12 START | 106.7 |
| HIERARCH ESO ISS PBLA12 END | 107.2 |
| HIERARCH ESO ISS PBL13 START | 128.992 |
| HIERARCH ESO ISS PBL13 END | 129.019 |
| HIERARCH ESO ISS PBLA13 START | 88.4 |
| HIERARCH ESO ISS PBLA13 END | 88.9 |
| HIERARCH ESO ISS PBL14 START | 125.765 |
| HIERARCH ESO ISS PBL14 END | 125.685 |
| HIERARCH ESO ISS PBLA14 START | 71.831 |
| HIERARCH ESO ISS PBLA14 END | 72.26 |
| HIERARCH ESO ISS PBL23 START | 54.526 |
| HIERARCH ESO ISS PBL23 END | 54.465 |
| HIERARCH ESO ISS PBLA23 START | 58.8 |
| HIERARCH ESO ISS PBLA23 END | 59.2 |
| HIERARCH ESO ISS PBL24 START | 73.987 |
| HIERARCH ESO ISS PBL24 END | 73.895 |
| HIERARCH ESO ISS PBLA24 START | 30.179 |
| HIERARCH ESO ISS PBLA24 END | 30.498 |
| HIERARCH ESO ISS PBL34 START | 36.942 |
| HIERARCH ESO ISS PBL34 END | 36.97 |
| HIERARCH ESO ISS PBLA34 START | 345.186 |
| HIERARCH ESO ISS PBLA34 END | 345.46 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005324 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005324 |
| HIERARCH ESO ISS AMBI TEMP | 16.75 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |