Exposure
- ID
- GRAVI.2021-05-23T01:03:22.594_1
- Header ID
- GRAVI.2021-05-23T01:03:22.594
- Date updated
- 2021-09-29 14:27:19 UTC+0000
- Release date
- 2022-05-23 01:10:36 UTC+0000
- UTC Start
- 2021-05-23 01:03:22.594
- UTC End
- 2021-05-23 01:04:26.594
- MJD Start
- 59357.0440115
- MJD End
- 59357.0447522407
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061455
- Ambient temperature (°C)
- 11.29
- Seeing (arcsec)
- 0.44
Observation
- ID
- 47440
- Category
- science
- Program ID
- 106.217D.002
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ M\XC3\XA9RAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 35580
- Name
- WDSJ14077-4952A
- RA
- 211.926027
- DEC
- -49.86689
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.2090 | 54.1920 | 13.9000 | 14.1000 |
| U1-U3 | 99.6010 | 99.5660 | 19.7000 | 19.9000 |
| U1-U4 | 130.1830 | 130.1910 | 43.7720 | 44.0690 |
| U2-U3 | 45.9860 | 45.9710 | 26.4000 | 26.7000 |
| U2-U4 | 87.4390 | 87.5100 | 61.7490 | 62.0680 |
| U3-U4 | 56.5500 | 56.6640 | 89.7870 | 90.0810 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59357.0440115 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 123227 |
| HIERARCH ESO INS SOBJ NAME | WDSJ14077-4952A |
| RA | 211.926027 |
| DEC | -49.86689 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 94.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 54.209 |
| HIERARCH ESO ISS PBL12 END | 54.192 |
| HIERARCH ESO ISS PBLA12 START | 13.9 |
| HIERARCH ESO ISS PBLA12 END | 14.1 |
| HIERARCH ESO ISS PBL13 START | 99.601 |
| HIERARCH ESO ISS PBL13 END | 99.566 |
| HIERARCH ESO ISS PBLA13 START | 19.7 |
| HIERARCH ESO ISS PBLA13 END | 19.9 |
| HIERARCH ESO ISS PBL14 START | 130.183 |
| HIERARCH ESO ISS PBL14 END | 130.191 |
| HIERARCH ESO ISS PBLA14 START | 43.772 |
| HIERARCH ESO ISS PBLA14 END | 44.069 |
| HIERARCH ESO ISS PBL23 START | 45.986 |
| HIERARCH ESO ISS PBL23 END | 45.971 |
| HIERARCH ESO ISS PBLA23 START | 26.4 |
| HIERARCH ESO ISS PBLA23 END | 26.7 |
| HIERARCH ESO ISS PBL24 START | 87.439 |
| HIERARCH ESO ISS PBL24 END | 87.51 |
| HIERARCH ESO ISS PBLA24 START | 61.749 |
| HIERARCH ESO ISS PBLA24 END | 62.068 |
| HIERARCH ESO ISS PBL34 START | 56.55 |
| HIERARCH ESO ISS PBL34 END | 56.664 |
| HIERARCH ESO ISS PBLA34 START | 89.787 |
| HIERARCH ESO ISS PBLA34 END | 90.081 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006705 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005586 |
| HIERARCH ESO ISS AMBI TEMP | 11.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | WDSJ14077-4952B |
| HIERARCH ESO FT ROBJ ALPHA | 140741.4805 |
| HIERARCH ESO FT ROBJ DELTA | -495202.5295 |