Exposure
- ID
- GRAVI.2023-02-21T06:59:46.938_2
- Header ID
- GRAVI.2023-02-21T06:59:46.938
- Date updated
- 2023-02-21 07:05:43 UTC+0000
- Release date
- 2023-02-21 06:59:46 UTC+0000
- UTC Start
- 2023-02-21 06:59:46.938
- UTC End
- 2023-02-21 07:01:16.938
- MJD Start
- 59996.29151549
- MJD End
- 59996.2925571567
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0060215
- Ambient temperature (°C)
- 13.4
- Seeing (arcsec)
- 0.51
Observation
- ID
- 54183
- 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
- 236.971066666667
- 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 | 71.7460 | 71.9030 | 61.6000 | 62.1000 |
| A0-J2 | 120.4870 | 120.5900 | 42.6000 | 43.1000 |
| A0-K0 | 127.6260 | 127.6410 | 28.4930 | 28.9130 |
| G1-J2 | 57.6150 | 57.6060 | 18.7000 | 19.1000 |
| G1-K0 | 78.1270 | 78.1310 | 358.3520 | 358.6520 |
| J2-K0 | 31.3380 | 31.4170 | 318.6350 | 318.8780 |
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 | 59996.29151549 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965666 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 71.746 |
| HIERARCH ESO ISS PBL12 END | 71.903 |
| HIERARCH ESO ISS PBLA12 START | 61.6 |
| HIERARCH ESO ISS PBLA12 END | 62.1 |
| HIERARCH ESO ISS PBL13 START | 120.487 |
| HIERARCH ESO ISS PBL13 END | 120.59 |
| HIERARCH ESO ISS PBLA13 START | 42.6 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 127.626 |
| HIERARCH ESO ISS PBL14 END | 127.641 |
| HIERARCH ESO ISS PBLA14 START | 28.493 |
| HIERARCH ESO ISS PBLA14 END | 28.913 |
| HIERARCH ESO ISS PBL23 START | 57.615 |
| HIERARCH ESO ISS PBL23 END | 57.606 |
| HIERARCH ESO ISS PBLA23 START | 18.7 |
| HIERARCH ESO ISS PBLA23 END | 19.1 |
| HIERARCH ESO ISS PBL24 START | 78.127 |
| HIERARCH ESO ISS PBL24 END | 78.131 |
| HIERARCH ESO ISS PBLA24 START | 358.352 |
| HIERARCH ESO ISS PBLA24 END | 358.652 |
| HIERARCH ESO ISS PBL34 START | 31.338 |
| HIERARCH ESO ISS PBL34 END | 31.417 |
| HIERARCH ESO ISS PBLA34 START | 318.635 |
| HIERARCH ESO ISS PBLA34 END | 318.878 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006369 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005674 |
| HIERARCH ESO ISS AMBI TEMP | 13.4 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |