Exposure
- ID
- GRAVI.2021-04-02T06:35:15.189_1
- Header ID
- GRAVI.2021-04-02T06:35:15.189
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2021-04-02 06:35:15 UTC+0000
- UTC Start
- 2021-04-02 06:35:15.189
- UTC End
- 2021-04-02 06:36:55.189
- MJD Start
- 59306.27448135
- MJD End
- 59306.2756387574
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030195
- Ambient temperature (°C)
- 11.91
- Seeing (arcsec)
- 1.01
Observation
- ID
- 47373
- Category
- calibrator
- 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
- 35531
- Name
- HD121336B
- RA
- 209.087158
- DEC
- -54.13748
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.2820 | 49.1890 | 34.7000 | 35.0000 |
| U1-U3 | 90.2260 | 90.0340 | 41.8000 | 42.2000 |
| U1-U4 | 122.8160 | 122.5730 | 71.0020 | 71.4320 |
| U2-U3 | 41.7730 | 41.6790 | 50.2000 | 50.6000 |
| U2-U4 | 88.0760 | 87.9830 | 90.3490 | 90.8170 |
| U3-U4 | 62.2510 | 62.2780 | 115.9680 | 116.4240 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59306.27448135 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD121336A |
| HIERARCH ESO INS SOBJ NAME | HD121336B |
| RA | 209.087158 |
| DEC | -54.13748 |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 49.282 |
| HIERARCH ESO ISS PBL12 END | 49.189 |
| HIERARCH ESO ISS PBLA12 START | 34.7 |
| HIERARCH ESO ISS PBLA12 END | 35.0 |
| HIERARCH ESO ISS PBL13 START | 90.226 |
| HIERARCH ESO ISS PBL13 END | 90.034 |
| HIERARCH ESO ISS PBLA13 START | 41.8 |
| HIERARCH ESO ISS PBLA13 END | 42.2 |
| HIERARCH ESO ISS PBL14 START | 122.816 |
| HIERARCH ESO ISS PBL14 END | 122.573 |
| HIERARCH ESO ISS PBLA14 START | 71.002 |
| HIERARCH ESO ISS PBLA14 END | 71.432 |
| HIERARCH ESO ISS PBL23 START | 41.773 |
| HIERARCH ESO ISS PBL23 END | 41.679 |
| HIERARCH ESO ISS PBLA23 START | 50.2 |
| HIERARCH ESO ISS PBLA23 END | 50.6 |
| HIERARCH ESO ISS PBL24 START | 88.076 |
| HIERARCH ESO ISS PBL24 END | 87.983 |
| HIERARCH ESO ISS PBLA24 START | 90.349 |
| HIERARCH ESO ISS PBLA24 END | 90.817 |
| HIERARCH ESO ISS PBL34 START | 62.251 |
| HIERARCH ESO ISS PBL34 END | 62.278 |
| HIERARCH ESO ISS PBLA34 START | 115.968 |
| HIERARCH ESO ISS PBLA34 END | 116.424 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003359 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00268 |
| HIERARCH ESO ISS AMBI TEMP | 11.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 1.13 |
| HIERARCH ESO FT ROBJ NAME | HD121336A |
| HIERARCH ESO FT ROBJ ALPHA | 135619.966 |
| HIERARCH ESO FT ROBJ DELTA | -540756.730 |