Exposure
- ID
- GRAVI.2023-06-12T01:37:09.640_2
- Header ID
- GRAVI.2023-06-12T01:37:09.640
- Date updated
- 2023-06-12 01:46:34 UTC+0000
- Release date
- 2023-06-12 01:37:09 UTC+0000
- UTC Start
- 2023-06-12 01:37:09.640
- UTC End
- 2023-06-12 01:38:39.640
- MJD Start
- 60107.06747268
- MJD End
- 60107.06851434667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002413
- Ambient temperature (°C)
- 9.61
- Seeing (arcsec)
- 1.27
Observation
- ID
- 54266
- Category
- calibrator
- Program ID
- 106.217D.005
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
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
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 19.6190 | 19.6660 | 117.3000 | 117.6000 |
| A0-D0 | 31.9440 | 31.9380 | 54.6000 | 55.0000 |
| A0-C1 | 20.2960 | 20.3290 | 89.5000 | 89.9100 |
| B2-D0 | 28.8090 | 28.7910 | 17.4000 | 17.7000 |
| B2-C1 | 9.5940 | 9.5880 | 17.3090 | 17.6080 |
| D0-C1 | 19.2150 | 19.2030 | 197.3730 | 197.6730 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60107.06747268 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965655 |
| DEC | -65.44267 |
| 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 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 19.619 |
| HIERARCH ESO ISS PBL12 END | 19.666 |
| HIERARCH ESO ISS PBLA12 START | 117.3 |
| HIERARCH ESO ISS PBLA12 END | 117.6 |
| HIERARCH ESO ISS PBL13 START | 31.944 |
| HIERARCH ESO ISS PBL13 END | 31.938 |
| HIERARCH ESO ISS PBLA13 START | 54.6 |
| HIERARCH ESO ISS PBLA13 END | 55.0 |
| HIERARCH ESO ISS PBL14 START | 20.296 |
| HIERARCH ESO ISS PBL14 END | 20.329 |
| HIERARCH ESO ISS PBLA14 START | 89.5 |
| HIERARCH ESO ISS PBLA14 END | 89.91 |
| HIERARCH ESO ISS PBL23 START | 28.809 |
| HIERARCH ESO ISS PBL23 END | 28.791 |
| HIERARCH ESO ISS PBLA23 START | 17.4 |
| HIERARCH ESO ISS PBLA23 END | 17.7 |
| HIERARCH ESO ISS PBL24 START | 9.594 |
| HIERARCH ESO ISS PBL24 END | 9.588 |
| HIERARCH ESO ISS PBLA24 START | 17.309 |
| HIERARCH ESO ISS PBLA24 END | 17.608 |
| HIERARCH ESO ISS PBL34 START | 19.215 |
| HIERARCH ESO ISS PBL34 END | 19.203 |
| HIERARCH ESO ISS PBLA34 START | 197.373 |
| HIERARCH ESO ISS PBLA34 END | 197.673 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002413 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002413 |
| HIERARCH ESO ISS AMBI TEMP | 9.61 |
| HIERARCH ESO ISS AMBI FWHM START | 1.27 |
| HIERARCH ESO ISS AMBI FWHM END | 1.27 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |