Exposure
- ID
- GRAVI.2021-04-02T06:32:39.182_1
- Header ID
- GRAVI.2021-04-02T06:32:39.182
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2021-04-02 06:32:39 UTC+0000
- UTC Start
- 2021-04-02 06:32:39.182
- UTC End
- 2021-04-02 06:34:19.182
- MJD Start
- 59306.27267572
- MJD End
- 59306.2738331274
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003048
- Ambient temperature (°C)
- 11.88
- Seeing (arcsec)
- 0.89
Observation
- ID
- 47371
- 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
- 35529
- Name
- HD121336B
- RA
- 209.08716
- DEC
- -54.13678
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.3870 | 49.2940 | 34.3000 | 34.7000 |
| U1-U3 | 90.4390 | 90.2510 | 41.4000 | 41.8000 |
| U1-U4 | 123.0850 | 122.8470 | 70.5170 | 70.9470 |
| U2-U3 | 41.8790 | 41.7860 | 49.8000 | 50.2000 |
| U2-U4 | 88.1770 | 88.0870 | 89.8200 | 90.2880 |
| U3-U4 | 62.2180 | 62.2470 | 115.4540 | 115.9090 |
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 | 59306.27267572 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD121336A |
| HIERARCH ESO INS SOBJ NAME | HD121336B |
| RA | 209.08716 |
| DEC | -54.13678 |
| 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 | 49.387 |
| HIERARCH ESO ISS PBL12 END | 49.294 |
| HIERARCH ESO ISS PBLA12 START | 34.3 |
| HIERARCH ESO ISS PBLA12 END | 34.7 |
| HIERARCH ESO ISS PBL13 START | 90.439 |
| HIERARCH ESO ISS PBL13 END | 90.251 |
| HIERARCH ESO ISS PBLA13 START | 41.4 |
| HIERARCH ESO ISS PBLA13 END | 41.8 |
| HIERARCH ESO ISS PBL14 START | 123.085 |
| HIERARCH ESO ISS PBL14 END | 122.847 |
| HIERARCH ESO ISS PBLA14 START | 70.517 |
| HIERARCH ESO ISS PBLA14 END | 70.947 |
| HIERARCH ESO ISS PBL23 START | 41.879 |
| HIERARCH ESO ISS PBL23 END | 41.786 |
| HIERARCH ESO ISS PBLA23 START | 49.8 |
| HIERARCH ESO ISS PBLA23 END | 50.2 |
| HIERARCH ESO ISS PBL24 START | 88.177 |
| HIERARCH ESO ISS PBL24 END | 88.087 |
| HIERARCH ESO ISS PBLA24 START | 89.82 |
| HIERARCH ESO ISS PBLA24 END | 90.288 |
| HIERARCH ESO ISS PBL34 START | 62.218 |
| HIERARCH ESO ISS PBL34 END | 62.247 |
| HIERARCH ESO ISS PBLA34 START | 115.454 |
| HIERARCH ESO ISS PBLA34 END | 115.909 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003048 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003048 |
| HIERARCH ESO ISS AMBI TEMP | 11.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 0.89 |
| HIERARCH ESO FT ROBJ NAME | HD121336A |
| HIERARCH ESO FT ROBJ ALPHA | 135619.966 |
| HIERARCH ESO FT ROBJ DELTA | -540756.730 |