Exposure
- ID
- GRAVI.2024-03-17T07:33:23.688_2
- Header ID
- GRAVI.2024-03-17T07:33:23.688
- Date updated
- 2024-03-17 07:40:29 UTC+0000
- Release date
- 2024-03-17 07:33:23 UTC+0000
- UTC Start
- 2024-03-17 07:33:23.688
- UTC End
- 2024-03-17 07:34:59.688
- MJD Start
- 60386.3148575
- MJD End
- 60386.3159686111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061835
- Ambient temperature (°C)
- 16.42
- Seeing (arcsec)
- 1.055
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 | 82.3980 | 82.5270 | 93.4000 | 93.8000 |
| A0-J2 | 127.3800 | 127.4530 | 74.5000 | 75.0000 |
| A0-K0 | 127.4960 | 127.4620 | 58.3920 | 58.8230 |
| G1-J2 | 56.0930 | 56.0540 | 46.2000 | 46.6000 |
| G1-K0 | 76.3340 | 76.2750 | 20.1800 | 20.5010 |
| J2-K0 | 35.7840 | 35.8300 | 336.6540 | 336.9250 |
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 | 60386.3148575 |
| 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 | 82.398 |
| HIERARCH ESO ISS PBL12 END | 82.527 |
| HIERARCH ESO ISS PBLA12 START | 93.4 |
| HIERARCH ESO ISS PBLA12 END | 93.8 |
| HIERARCH ESO ISS PBL13 START | 127.38 |
| HIERARCH ESO ISS PBL13 END | 127.453 |
| HIERARCH ESO ISS PBLA13 START | 74.5 |
| HIERARCH ESO ISS PBLA13 END | 75.0 |
| HIERARCH ESO ISS PBL14 START | 127.496 |
| HIERARCH ESO ISS PBL14 END | 127.462 |
| HIERARCH ESO ISS PBLA14 START | 58.392 |
| HIERARCH ESO ISS PBLA14 END | 58.823 |
| HIERARCH ESO ISS PBL23 START | 56.093 |
| HIERARCH ESO ISS PBL23 END | 56.054 |
| HIERARCH ESO ISS PBLA23 START | 46.2 |
| HIERARCH ESO ISS PBLA23 END | 46.6 |
| HIERARCH ESO ISS PBL24 START | 76.334 |
| HIERARCH ESO ISS PBL24 END | 76.275 |
| HIERARCH ESO ISS PBLA24 START | 20.18 |
| HIERARCH ESO ISS PBLA24 END | 20.501 |
| HIERARCH ESO ISS PBL34 START | 35.784 |
| HIERARCH ESO ISS PBL34 END | 35.83 |
| HIERARCH ESO ISS PBLA34 START | 336.654 |
| HIERARCH ESO ISS PBLA34 END | 336.925 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005606 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006761 |
| HIERARCH ESO ISS AMBI TEMP | 16.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.99 |
| HIERARCH ESO ISS AMBI FWHM END | 1.12 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |