Exposure
- ID
- GRAVI.2021-05-22T23:10:37.309_1
- Header ID
- GRAVI.2021-05-22T23:10:37.309
- Date updated
- 2021-09-29 14:27:18 UTC+0000
- Release date
- 2022-05-22 23:20:25 UTC+0000
- UTC Start
- 2021-05-22 23:10:37.309
- UTC End
- 2021-05-22 23:11:41.309
- MJD Start
- 59356.9657096
- MJD End
- 59356.9664503407
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008032
- Ambient temperature (°C)
- 11.9
- Seeing (arcsec)
- 0.48
Observation
- ID
- 47434
- 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
- 35574
- Name
- WDSJ14077-4952B
- RA
- 211.925981
- DEC
- -49.86695
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.6800 | 54.6830 | 357.2000 | 357.4000 |
| U1-U3 | 100.8320 | 100.8300 | 1.6000 | 1.8000 |
| U1-U4 | 127.9040 | 127.9400 | 20.3420 | 20.6800 |
| U2-U3 | 46.5030 | 46.5010 | 6.8000 | 7.0000 |
| U2-U4 | 80.5460 | 80.6440 | 35.8170 | 36.2070 |
| U3-U4 | 45.8390 | 46.0050 | 65.3280 | 65.7170 |
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 | 59356.9657096 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 123227 |
| HIERARCH ESO INS SOBJ NAME | WDSJ14077-4952B |
| RA | 211.925981 |
| DEC | -49.86695 |
| 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 | 54.68 |
| HIERARCH ESO ISS PBL12 END | 54.683 |
| HIERARCH ESO ISS PBLA12 START | 357.2 |
| HIERARCH ESO ISS PBLA12 END | 357.4 |
| HIERARCH ESO ISS PBL13 START | 100.832 |
| HIERARCH ESO ISS PBL13 END | 100.83 |
| HIERARCH ESO ISS PBLA13 START | 1.6 |
| HIERARCH ESO ISS PBLA13 END | 1.8 |
| HIERARCH ESO ISS PBL14 START | 127.904 |
| HIERARCH ESO ISS PBL14 END | 127.94 |
| HIERARCH ESO ISS PBLA14 START | 20.342 |
| HIERARCH ESO ISS PBLA14 END | 20.68 |
| HIERARCH ESO ISS PBL23 START | 46.503 |
| HIERARCH ESO ISS PBL23 END | 46.501 |
| HIERARCH ESO ISS PBLA23 START | 6.8 |
| HIERARCH ESO ISS PBLA23 END | 7.0 |
| HIERARCH ESO ISS PBL24 START | 80.546 |
| HIERARCH ESO ISS PBL24 END | 80.644 |
| HIERARCH ESO ISS PBLA24 START | 35.817 |
| HIERARCH ESO ISS PBLA24 END | 36.207 |
| HIERARCH ESO ISS PBL34 START | 45.839 |
| HIERARCH ESO ISS PBL34 END | 46.005 |
| HIERARCH ESO ISS PBLA34 START | 65.328 |
| HIERARCH ESO ISS PBLA34 END | 65.717 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008081 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007983 |
| HIERARCH ESO ISS AMBI TEMP | 11.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | WDSJ14077-4952A |
| HIERARCH ESO FT ROBJ ALPHA | 140741.527 |
| HIERARCH ESO FT ROBJ DELTA | -495203.430 |