Exposure
- ID
- GRAVI.2023-04-24T03:51:57.630_2
- Header ID
- GRAVI.2023-04-24T03:51:57.630
- Date updated
- 2023-04-24 04:00:34 UTC+0000
- Release date
- 2023-04-24 03:51:57 UTC+0000
- UTC Start
- 2023-04-24 03:51:57.630
- UTC End
- 2023-04-24 03:53:27.630
- MJD Start
- 60058.16108368
- MJD End
- 60058.1621253467
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002552
- Ambient temperature (°C)
- 8.07
- Seeing (arcsec)
- 1.09
Observation
- ID
- 54216
- 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
- 37816
- Name
- WDSJ15479-6527B
- RA
- 236.971724166667
- DEC
- -65.44269725
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 | 76.6170 | 76.7690 | 75.9000 | 76.3000 |
| A0-J2 | 123.7300 | 123.8310 | 56.7000 | 57.1000 |
| A0-K0 | 127.9640 | 127.9680 | 41.4630 | 41.8760 |
| G1-J2 | 57.2050 | 57.1860 | 30.6000 | 30.9000 |
| G1-K0 | 77.8730 | 77.8530 | 7.7010 | 8.0020 |
| J2-K0 | 33.5710 | 33.6350 | 326.2570 | 326.5040 |
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 | 60058.16108368 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965661 |
| 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 | 76.617 |
| HIERARCH ESO ISS PBL12 END | 76.769 |
| HIERARCH ESO ISS PBLA12 START | 75.9 |
| HIERARCH ESO ISS PBLA12 END | 76.3 |
| HIERARCH ESO ISS PBL13 START | 123.73 |
| HIERARCH ESO ISS PBL13 END | 123.831 |
| HIERARCH ESO ISS PBLA13 START | 56.7 |
| HIERARCH ESO ISS PBLA13 END | 57.1 |
| HIERARCH ESO ISS PBL14 START | 127.964 |
| HIERARCH ESO ISS PBL14 END | 127.968 |
| HIERARCH ESO ISS PBLA14 START | 41.463 |
| HIERARCH ESO ISS PBLA14 END | 41.876 |
| HIERARCH ESO ISS PBL23 START | 57.205 |
| HIERARCH ESO ISS PBL23 END | 57.186 |
| HIERARCH ESO ISS PBLA23 START | 30.6 |
| HIERARCH ESO ISS PBLA23 END | 30.9 |
| HIERARCH ESO ISS PBL24 START | 77.873 |
| HIERARCH ESO ISS PBL24 END | 77.853 |
| HIERARCH ESO ISS PBLA24 START | 7.701 |
| HIERARCH ESO ISS PBLA24 END | 8.002 |
| HIERARCH ESO ISS PBL34 START | 33.571 |
| HIERARCH ESO ISS PBL34 END | 33.635 |
| HIERARCH ESO ISS PBLA34 START | 326.257 |
| HIERARCH ESO ISS PBLA34 END | 326.504 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002552 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002552 |
| HIERARCH ESO ISS AMBI TEMP | 8.07 |
| HIERARCH ESO ISS AMBI FWHM START | 1.09 |
| HIERARCH ESO ISS AMBI FWHM END | 1.09 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |