Exposure
- ID
- GRAVI.2024-03-17T07:44:11.716_2
- Header ID
- GRAVI.2024-03-17T07:44:11.716
- Date updated
- 2024-03-17 07:50:39 UTC+0000
- Release date
- 2024-03-17 07:44:11 UTC+0000
- UTC Start
- 2024-03-17 07:44:11.716
- UTC End
- 2024-03-17 07:45:47.716
- MJD Start
- 60386.32235782
- MJD End
- 60386.3234689311
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006342
- Ambient temperature (°C)
- 16.25
- Seeing (arcsec)
- 1.115
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
- 236.971724166667
- DEC
- -65.44269725
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 | 83.1150 | 83.2380 | 95.8000 | 96.2000 |
| A0-J2 | 127.7730 | 127.8380 | 77.0000 | 77.5000 |
| A0-K0 | 127.2890 | 127.2480 | 60.8080 | 61.2370 |
| G1-J2 | 55.8610 | 55.8180 | 48.5000 | 48.9000 |
| G1-K0 | 75.9880 | 75.9240 | 21.9770 | 22.2970 |
| J2-K0 | 36.0320 | 36.0740 | 338.1740 | 338.4460 |
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 | 60386.32235782 |
| 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 | 83.115 |
| HIERARCH ESO ISS PBL12 END | 83.238 |
| HIERARCH ESO ISS PBLA12 START | 95.8 |
| HIERARCH ESO ISS PBLA12 END | 96.2 |
| HIERARCH ESO ISS PBL13 START | 127.773 |
| HIERARCH ESO ISS PBL13 END | 127.838 |
| HIERARCH ESO ISS PBLA13 START | 77.0 |
| HIERARCH ESO ISS PBLA13 END | 77.5 |
| HIERARCH ESO ISS PBL14 START | 127.289 |
| HIERARCH ESO ISS PBL14 END | 127.248 |
| HIERARCH ESO ISS PBLA14 START | 60.808 |
| HIERARCH ESO ISS PBLA14 END | 61.237 |
| HIERARCH ESO ISS PBL23 START | 55.861 |
| HIERARCH ESO ISS PBL23 END | 55.818 |
| HIERARCH ESO ISS PBLA23 START | 48.5 |
| HIERARCH ESO ISS PBLA23 END | 48.9 |
| HIERARCH ESO ISS PBL24 START | 75.988 |
| HIERARCH ESO ISS PBL24 END | 75.924 |
| HIERARCH ESO ISS PBLA24 START | 21.977 |
| HIERARCH ESO ISS PBLA24 END | 22.297 |
| HIERARCH ESO ISS PBL34 START | 36.032 |
| HIERARCH ESO ISS PBL34 END | 36.074 |
| HIERARCH ESO ISS PBLA34 START | 338.174 |
| HIERARCH ESO ISS PBLA34 END | 338.446 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006531 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006153 |
| HIERARCH ESO ISS AMBI TEMP | 16.25 |
| HIERARCH ESO ISS AMBI FWHM START | 1.04 |
| HIERARCH ESO ISS AMBI FWHM END | 1.19 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |