Exposure
- ID
- GRAVI.2023-02-21T08:27:17.161_2
- Header ID
- GRAVI.2023-02-21T08:27:17.161
- Date updated
- 2023-02-21 08:35:42 UTC+0000
- Release date
- 2023-02-21 08:27:17 UTC+0000
- UTC Start
- 2023-02-21 08:27:17.161
- UTC End
- 2023-02-21 08:28:47.161
- MJD Start
- 59996.35228196
- MJD End
- 59996.35332362667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056125
- Ambient temperature (°C)
- 12.22
- Seeing (arcsec)
- 0.565
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 | 79.2130 | 79.3530 | 83.4000 | 83.8000 |
| A0-J2 | 125.4360 | 125.5260 | 64.3000 | 64.8000 |
| A0-K0 | 127.9440 | 127.9370 | 48.6670 | 49.0680 |
| G1-J2 | 56.8330 | 56.8080 | 37.2000 | 37.6000 |
| G1-K0 | 77.4060 | 77.3710 | 12.9800 | 13.2750 |
| J2-K0 | 34.6170 | 34.6710 | 330.6240 | 330.8680 |
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 | 59996.35228196 |
| 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 | 79.213 |
| HIERARCH ESO ISS PBL12 END | 79.353 |
| HIERARCH ESO ISS PBLA12 START | 83.4 |
| HIERARCH ESO ISS PBLA12 END | 83.8 |
| HIERARCH ESO ISS PBL13 START | 125.436 |
| HIERARCH ESO ISS PBL13 END | 125.526 |
| HIERARCH ESO ISS PBLA13 START | 64.3 |
| HIERARCH ESO ISS PBLA13 END | 64.8 |
| HIERARCH ESO ISS PBL14 START | 127.944 |
| HIERARCH ESO ISS PBL14 END | 127.937 |
| HIERARCH ESO ISS PBLA14 START | 48.667 |
| HIERARCH ESO ISS PBLA14 END | 49.068 |
| HIERARCH ESO ISS PBL23 START | 56.833 |
| HIERARCH ESO ISS PBL23 END | 56.808 |
| HIERARCH ESO ISS PBLA23 START | 37.2 |
| HIERARCH ESO ISS PBLA23 END | 37.6 |
| HIERARCH ESO ISS PBL24 START | 77.406 |
| HIERARCH ESO ISS PBL24 END | 77.371 |
| HIERARCH ESO ISS PBLA24 START | 12.98 |
| HIERARCH ESO ISS PBLA24 END | 13.275 |
| HIERARCH ESO ISS PBL34 START | 34.617 |
| HIERARCH ESO ISS PBL34 END | 34.671 |
| HIERARCH ESO ISS PBLA34 START | 330.624 |
| HIERARCH ESO ISS PBLA34 END | 330.868 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00527 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005955 |
| HIERARCH ESO ISS AMBI TEMP | 12.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |