Exposure
- ID
- GRAVI.2021-05-23T00:52:13.566_1
- Header ID
- GRAVI.2021-05-23T00:52:13.566
- Date updated
- 2021-09-29 14:27:19 UTC+0000
- Release date
- 2022-05-23 01:00:52 UTC+0000
- UTC Start
- 2021-05-23 00:52:13.566
- UTC End
- 2021-05-23 00:53:17.566
- MJD Start
- 59357.03626812
- MJD End
- 59357.0370088607
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061555
- Ambient temperature (°C)
- 11.15
- Seeing (arcsec)
- 0.41
Observation
- ID
- 47439
- 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
- 35579
- Name
- WDSJ14077-4952B
- RA
- 211.926027
- DEC
- -49.86689
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.3220 | 54.3080 | 12.3000 | 12.5000 |
| U1-U3 | 99.8380 | 99.8070 | 17.9000 | 18.2000 |
| U1-U4 | 130.0980 | 130.1130 | 41.5950 | 41.8960 |
| U2-U3 | 46.0870 | 46.0740 | 24.6000 | 24.8000 |
| U2-U4 | 86.8950 | 86.9730 | 59.4100 | 59.7350 |
| U3-U4 | 55.6910 | 55.8130 | 87.6300 | 87.9300 |
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 | 59357.03626812 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 123227 |
| HIERARCH ESO INS SOBJ NAME | WDSJ14077-4952B |
| 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 | 54.322 |
| HIERARCH ESO ISS PBL12 END | 54.308 |
| HIERARCH ESO ISS PBLA12 START | 12.3 |
| HIERARCH ESO ISS PBLA12 END | 12.5 |
| HIERARCH ESO ISS PBL13 START | 99.838 |
| HIERARCH ESO ISS PBL13 END | 99.807 |
| HIERARCH ESO ISS PBLA13 START | 17.9 |
| HIERARCH ESO ISS PBLA13 END | 18.2 |
| HIERARCH ESO ISS PBL14 START | 130.098 |
| HIERARCH ESO ISS PBL14 END | 130.113 |
| HIERARCH ESO ISS PBLA14 START | 41.595 |
| HIERARCH ESO ISS PBLA14 END | 41.896 |
| HIERARCH ESO ISS PBL23 START | 46.087 |
| HIERARCH ESO ISS PBL23 END | 46.074 |
| HIERARCH ESO ISS PBLA23 START | 24.6 |
| HIERARCH ESO ISS PBLA23 END | 24.8 |
| HIERARCH ESO ISS PBL24 START | 86.895 |
| HIERARCH ESO ISS PBL24 END | 86.973 |
| HIERARCH ESO ISS PBLA24 START | 59.41 |
| HIERARCH ESO ISS PBLA24 END | 59.735 |
| HIERARCH ESO ISS PBL34 START | 55.691 |
| HIERARCH ESO ISS PBL34 END | 55.813 |
| HIERARCH ESO ISS PBLA34 START | 87.63 |
| HIERARCH ESO ISS PBLA34 END | 87.93 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005995 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006316 |
| HIERARCH ESO ISS AMBI TEMP | 11.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | WDSJ14077-4952A |
| HIERARCH ESO FT ROBJ ALPHA | 140741.527 |
| HIERARCH ESO FT ROBJ DELTA | -495203.430 |