Exposure
- ID
- GRAVI.2023-03-20T05:20:28.811_2
- Header ID
- GRAVI.2023-03-20T05:20:28.811
- Date updated
- 2023-03-20 05:30:45 UTC+0000
- Release date
- 2023-03-20 05:20:28 UTC+0000
- UTC Start
- 2023-03-20 05:20:28.811
- UTC End
- 2023-03-20 05:21:58.811
- MJD Start
- 60023.22255568
- MJD End
- 60023.2235973467
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003367
- Ambient temperature (°C)
- 12.73
- Seeing (arcsec)
- 1.095
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 | 72.3470 | 72.5050 | 63.5000 | 63.9000 |
| A0-J2 | 120.8810 | 120.9850 | 44.4000 | 44.8000 |
| A0-K0 | 127.6820 | 127.6960 | 30.0960 | 30.5110 |
| G1-J2 | 57.5800 | 57.5700 | 20.1000 | 20.5000 |
| G1-K0 | 78.1370 | 78.1380 | 359.4970 | 359.7930 |
| J2-K0 | 31.6380 | 31.7150 | 319.5620 | 319.8020 |
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 | 60023.22255568 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965664 |
| 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 | 72.347 |
| HIERARCH ESO ISS PBL12 END | 72.505 |
| HIERARCH ESO ISS PBLA12 START | 63.5 |
| HIERARCH ESO ISS PBLA12 END | 63.9 |
| HIERARCH ESO ISS PBL13 START | 120.881 |
| HIERARCH ESO ISS PBL13 END | 120.985 |
| HIERARCH ESO ISS PBLA13 START | 44.4 |
| HIERARCH ESO ISS PBLA13 END | 44.8 |
| HIERARCH ESO ISS PBL14 START | 127.682 |
| HIERARCH ESO ISS PBL14 END | 127.696 |
| HIERARCH ESO ISS PBLA14 START | 30.096 |
| HIERARCH ESO ISS PBLA14 END | 30.511 |
| HIERARCH ESO ISS PBL23 START | 57.58 |
| HIERARCH ESO ISS PBL23 END | 57.57 |
| HIERARCH ESO ISS PBLA23 START | 20.1 |
| HIERARCH ESO ISS PBLA23 END | 20.5 |
| HIERARCH ESO ISS PBL24 START | 78.137 |
| HIERARCH ESO ISS PBL24 END | 78.138 |
| HIERARCH ESO ISS PBLA24 START | 359.497 |
| HIERARCH ESO ISS PBLA24 END | 359.793 |
| HIERARCH ESO ISS PBL34 START | 31.638 |
| HIERARCH ESO ISS PBL34 END | 31.715 |
| HIERARCH ESO ISS PBLA34 START | 319.562 |
| HIERARCH ESO ISS PBLA34 END | 319.802 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003294 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00344 |
| HIERARCH ESO ISS AMBI TEMP | 12.73 |
| HIERARCH ESO ISS AMBI FWHM START | 1.22 |
| HIERARCH ESO ISS AMBI FWHM END | 0.97 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |