Exposure
- ID
- GRAVI.2024-02-27T06:58:55.149_2
- Header ID
- GRAVI.2024-02-27T06:58:55.149
- Date updated
- 2024-09-13 04:55:32 UTC+0000
- Release date
- 2024-02-27 06:58:55 UTC+0000
- UTC Start
- 2024-02-27 06:58:55.149
- UTC End
- 2024-02-27 07:01:35.149
- MJD Start
- 60367.29091608
- MJD End
- 60367.29276793185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0072429999999999994
- Ambient temperature (°C)
- 14.66
- Seeing (arcsec)
- 0.69
Observation
- ID
- 58529
- 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
- 37816
- Name
- WDSJ15479-6527B
- RA
- 236.97172416666663
- DEC
- -65.44269725000001
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 | 48.8310 | 48.8240 | 2.0000 | 2.6000 |
| U1-U3 | 92.1200 | 92.0820 | 7.2000 | 7.8000 |
| U1-U4 | 129.7020 | 129.6670 | 26.7610 | 27.5450 |
| U2-U3 | 43.7160 | 43.6920 | 13.0000 | 13.7000 |
| U2-U4 | 87.7890 | 87.8600 | 40.2500 | 41.1110 |
| U3-U4 | 52.8540 | 53.0430 | 62.4930 | 63.4050 |
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 | 60367.29091608 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.963884 |
| DEC | -65.4478 |
| 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 | 48.831 |
| HIERARCH ESO ISS PBL12 END | 48.824 |
| HIERARCH ESO ISS PBLA12 START | 2.0 |
| HIERARCH ESO ISS PBLA12 END | 2.6 |
| HIERARCH ESO ISS PBL13 START | 92.12 |
| HIERARCH ESO ISS PBL13 END | 92.082 |
| HIERARCH ESO ISS PBLA13 START | 7.2 |
| HIERARCH ESO ISS PBLA13 END | 7.8 |
| HIERARCH ESO ISS PBL14 START | 129.702 |
| HIERARCH ESO ISS PBL14 END | 129.667 |
| HIERARCH ESO ISS PBLA14 START | 26.761 |
| HIERARCH ESO ISS PBLA14 END | 27.545 |
| HIERARCH ESO ISS PBL23 START | 43.716 |
| HIERARCH ESO ISS PBL23 END | 43.692 |
| HIERARCH ESO ISS PBLA23 START | 13.0 |
| HIERARCH ESO ISS PBLA23 END | 13.7 |
| HIERARCH ESO ISS PBL24 START | 87.789 |
| HIERARCH ESO ISS PBL24 END | 87.86 |
| HIERARCH ESO ISS PBLA24 START | 40.25 |
| HIERARCH ESO ISS PBLA24 END | 41.111 |
| HIERARCH ESO ISS PBL34 START | 52.854 |
| HIERARCH ESO ISS PBL34 END | 53.043 |
| HIERARCH ESO ISS PBLA34 START | 62.493 |
| HIERARCH ESO ISS PBLA34 END | 63.405 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006846 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00764 |
| HIERARCH ESO ISS AMBI TEMP | 14.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |