Exposure
- ID
- GRAVI.2024-02-27T06:48:25.123_2
- Header ID
- GRAVI.2024-02-27T06:48:25.123
- Date updated
- 2024-09-13 04:55:32 UTC+0000
- Release date
- 2024-02-27 06:48:25 UTC+0000
- UTC Start
- 2024-02-27 06:48:25.123
- UTC End
- 2024-02-27 06:51:05.123
- MJD Start
- 60367.28362411
- MJD End
- 60367.28547596186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006736
- Ambient temperature (°C)
- 14.78
- Seeing (arcsec)
- 0.56
Observation
- ID
- 58527
- Category
- calibrator
- Program ID
- 112.25BY.001
- 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
- 236.97106666666664
- DEC
- -65.44230777777778
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 48.8410 | 48.8400 | 0.2000 | 0.8000 |
| U1-U3 | 92.2120 | 92.1840 | 5.3000 | 6.0000 |
| U1-U4 | 129.7920 | 129.7630 | 24.4580 | 25.2430 |
| U2-U3 | 43.7800 | 43.7590 | 11.0000 | 11.7000 |
| U2-U4 | 87.5790 | 87.6510 | 37.6880 | 38.5600 |
| U3-U4 | 52.2920 | 52.4830 | 59.7630 | 60.6950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25BY.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60367.28362411 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.963896 |
| DEC | -65.44782 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 216.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 160 |
| HIERARCH ESO ISS PBL12 START | 48.841 |
| HIERARCH ESO ISS PBL12 END | 48.84 |
| HIERARCH ESO ISS PBLA12 START | 0.2 |
| HIERARCH ESO ISS PBLA12 END | 0.8 |
| HIERARCH ESO ISS PBL13 START | 92.212 |
| HIERARCH ESO ISS PBL13 END | 92.184 |
| HIERARCH ESO ISS PBLA13 START | 5.3 |
| HIERARCH ESO ISS PBLA13 END | 6.0 |
| HIERARCH ESO ISS PBL14 START | 129.792 |
| HIERARCH ESO ISS PBL14 END | 129.763 |
| HIERARCH ESO ISS PBLA14 START | 24.458 |
| HIERARCH ESO ISS PBLA14 END | 25.243 |
| HIERARCH ESO ISS PBL23 START | 43.78 |
| HIERARCH ESO ISS PBL23 END | 43.759 |
| HIERARCH ESO ISS PBLA23 START | 11.0 |
| HIERARCH ESO ISS PBLA23 END | 11.7 |
| HIERARCH ESO ISS PBL24 START | 87.579 |
| HIERARCH ESO ISS PBL24 END | 87.651 |
| HIERARCH ESO ISS PBLA24 START | 37.688 |
| HIERARCH ESO ISS PBLA24 END | 38.56 |
| HIERARCH ESO ISS PBL34 START | 52.292 |
| HIERARCH ESO ISS PBL34 END | 52.483 |
| HIERARCH ESO ISS PBLA34 START | 59.763 |
| HIERARCH ESO ISS PBLA34 END | 60.695 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007233 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006239 |
| HIERARCH ESO ISS AMBI TEMP | 14.78 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |