Exposure
- ID
- GRAVI.2023-05-21T02:38:01.147_2
- Header ID
- GRAVI.2023-05-21T02:38:01.147
- Date updated
- 2023-05-21 02:45:49 UTC+0000
- Release date
- 2023-05-21 02:38:01 UTC+0000
- UTC Start
- 2023-05-21 02:38:01.147
- UTC End
- 2023-05-21 02:39:31.147
- MJD Start
- 60085.1097355
- MJD End
- 60085.11077716667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002359
- Ambient temperature (°C)
- 9.9
- Seeing (arcsec)
- 0.905
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
- 236.97106666666664
- DEC
- -65.44230777777778
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 | 79.2570 | 79.3990 | 83.6000 | 84.0000 |
| A0-J2 | 125.4670 | 125.5580 | 64.5000 | 64.9000 |
| A0-K0 | 127.9420 | 127.9330 | 48.8010 | 49.2080 |
| G1-J2 | 56.8200 | 56.7940 | 37.3000 | 37.7000 |
| G1-K0 | 77.3820 | 77.3470 | 13.0790 | 13.3790 |
| J2-K0 | 34.6300 | 34.6850 | 330.7020 | 330.9520 |
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 | 60085.1097355 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965658 |
| 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 | 79.257 |
| HIERARCH ESO ISS PBL12 END | 79.399 |
| HIERARCH ESO ISS PBLA12 START | 83.6 |
| HIERARCH ESO ISS PBLA12 END | 84.0 |
| HIERARCH ESO ISS PBL13 START | 125.467 |
| HIERARCH ESO ISS PBL13 END | 125.558 |
| HIERARCH ESO ISS PBLA13 START | 64.5 |
| HIERARCH ESO ISS PBLA13 END | 64.9 |
| HIERARCH ESO ISS PBL14 START | 127.942 |
| HIERARCH ESO ISS PBL14 END | 127.933 |
| HIERARCH ESO ISS PBLA14 START | 48.801 |
| HIERARCH ESO ISS PBLA14 END | 49.208 |
| HIERARCH ESO ISS PBL23 START | 56.82 |
| HIERARCH ESO ISS PBL23 END | 56.794 |
| HIERARCH ESO ISS PBLA23 START | 37.3 |
| HIERARCH ESO ISS PBLA23 END | 37.7 |
| HIERARCH ESO ISS PBL24 START | 77.382 |
| HIERARCH ESO ISS PBL24 END | 77.347 |
| HIERARCH ESO ISS PBLA24 START | 13.079 |
| HIERARCH ESO ISS PBLA24 END | 13.379 |
| HIERARCH ESO ISS PBL34 START | 34.63 |
| HIERARCH ESO ISS PBL34 END | 34.685 |
| HIERARCH ESO ISS PBLA34 START | 330.702 |
| HIERARCH ESO ISS PBLA34 END | 330.952 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002243 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002475 |
| HIERARCH ESO ISS AMBI TEMP | 9.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |