Exposure
- ID
- GRAVI.2023-06-29T00:31:24.876_2
- Header ID
- GRAVI.2023-06-29T00:31:24.876
- Date updated
- 2023-06-29 00:40:48 UTC+0000
- Release date
- 2023-06-29 00:31:24 UTC+0000
- UTC Start
- 2023-06-29 00:31:24.876
- UTC End
- 2023-06-29 00:32:54.876
- MJD Start
- 60124.02181569
- MJD End
- 60124.0228573567
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002509
- Ambient temperature (°C)
- 15.62
- Seeing (arcsec)
- 1.0
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 | 81.2790 | 81.4090 | 89.7000 | 90.1000 |
| A0-J2 | 126.7290 | 126.8060 | 70.8000 | 71.2000 |
| A0-K0 | 127.7280 | 127.7060 | 54.8180 | 55.2220 |
| G1-J2 | 56.3990 | 56.3660 | 42.9000 | 43.3000 |
| G1-K0 | 76.7830 | 76.7350 | 17.5280 | 17.8270 |
| J2-K0 | 35.3850 | 35.4310 | 334.4190 | 334.6700 |
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 | 60124.02181569 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965653 |
| 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 | 81.279 |
| HIERARCH ESO ISS PBL12 END | 81.409 |
| HIERARCH ESO ISS PBLA12 START | 89.7 |
| HIERARCH ESO ISS PBLA12 END | 90.1 |
| HIERARCH ESO ISS PBL13 START | 126.729 |
| HIERARCH ESO ISS PBL13 END | 126.806 |
| HIERARCH ESO ISS PBLA13 START | 70.8 |
| HIERARCH ESO ISS PBLA13 END | 71.2 |
| HIERARCH ESO ISS PBL14 START | 127.728 |
| HIERARCH ESO ISS PBL14 END | 127.706 |
| HIERARCH ESO ISS PBLA14 START | 54.818 |
| HIERARCH ESO ISS PBLA14 END | 55.222 |
| HIERARCH ESO ISS PBL23 START | 56.399 |
| HIERARCH ESO ISS PBL23 END | 56.366 |
| HIERARCH ESO ISS PBLA23 START | 42.9 |
| HIERARCH ESO ISS PBLA23 END | 43.3 |
| HIERARCH ESO ISS PBL24 START | 76.783 |
| HIERARCH ESO ISS PBL24 END | 76.735 |
| HIERARCH ESO ISS PBLA24 START | 17.528 |
| HIERARCH ESO ISS PBLA24 END | 17.827 |
| HIERARCH ESO ISS PBL34 START | 35.385 |
| HIERARCH ESO ISS PBL34 END | 35.431 |
| HIERARCH ESO ISS PBLA34 START | 334.419 |
| HIERARCH ESO ISS PBLA34 END | 334.67 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002383 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002635 |
| HIERARCH ESO ISS AMBI TEMP | 15.62 |
| HIERARCH ESO ISS AMBI FWHM START | 1.02 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |