Exposure
- ID
- GRAVI.2023-03-16T05:11:13.804_2
- Header ID
- GRAVI.2023-03-16T05:11:13.804
- Date updated
- 2023-03-16 05:20:48 UTC+0000
- Release date
- 2023-03-16 05:11:13 UTC+0000
- UTC Start
- 2023-03-16 05:11:13.804
- UTC End
- 2023-03-16 05:12:43.804
- MJD Start
- 60019.21613199
- MJD End
- 60019.2171736567
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009202
- Ambient temperature (°C)
- 12.84
- Seeing (arcsec)
- 0.52
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 | 70.1590 | 70.3140 | 56.7000 | 57.2000 |
| A0-J2 | 119.4670 | 119.5650 | 37.9000 | 38.4000 |
| A0-K0 | 127.4740 | 127.4890 | 24.2170 | 24.6370 |
| G1-J2 | 57.6920 | 57.6860 | 14.8000 | 15.2000 |
| G1-K0 | 78.0420 | 78.0540 | 355.3170 | 355.6140 |
| J2-K0 | 30.5000 | 30.5850 | 316.1820 | 316.4210 |
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 | 60019.21613199 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965665 |
| 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 | 70.159 |
| HIERARCH ESO ISS PBL12 END | 70.314 |
| HIERARCH ESO ISS PBLA12 START | 56.7 |
| HIERARCH ESO ISS PBLA12 END | 57.2 |
| HIERARCH ESO ISS PBL13 START | 119.467 |
| HIERARCH ESO ISS PBL13 END | 119.565 |
| HIERARCH ESO ISS PBLA13 START | 37.9 |
| HIERARCH ESO ISS PBLA13 END | 38.4 |
| HIERARCH ESO ISS PBL14 START | 127.474 |
| HIERARCH ESO ISS PBL14 END | 127.489 |
| HIERARCH ESO ISS PBLA14 START | 24.217 |
| HIERARCH ESO ISS PBLA14 END | 24.637 |
| HIERARCH ESO ISS PBL23 START | 57.692 |
| HIERARCH ESO ISS PBL23 END | 57.686 |
| HIERARCH ESO ISS PBLA23 START | 14.8 |
| HIERARCH ESO ISS PBLA23 END | 15.2 |
| HIERARCH ESO ISS PBL24 START | 78.042 |
| HIERARCH ESO ISS PBL24 END | 78.054 |
| HIERARCH ESO ISS PBLA24 START | 355.317 |
| HIERARCH ESO ISS PBLA24 END | 355.614 |
| HIERARCH ESO ISS PBL34 START | 30.5 |
| HIERARCH ESO ISS PBL34 END | 30.585 |
| HIERARCH ESO ISS PBLA34 START | 316.182 |
| HIERARCH ESO ISS PBLA34 END | 316.421 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008597 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009807 |
| HIERARCH ESO ISS AMBI TEMP | 12.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |