Exposure
- ID
- GRAVI.2022-04-28T02:51:20.776_2
- Header ID
- GRAVI.2022-04-28T02:51:20.776
- Date updated
- 2022-04-28 03:01:48 UTC+0000
- Release date
- 2022-04-28 02:51:20 UTC+0000
- UTC Start
- 2022-04-28 02:51:20.776
- UTC End
- 2022-04-28 02:52:20.776
- MJD Start
- 59697.11899046
- MJD End
- 59697.11968490445
- Exposure time (s)
- 60.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004031
- Ambient temperature (°C)
- 12.91
- Seeing (arcsec)
- 0.705
Observation
- ID
- 50671
- Category
- calibrator
- Program ID
- 106.217D.008
- Program Title
- HIGH PRECISION GRAVITY ASTROMETRY OF THREE STELLAR CONJUNCTIONS OF ALPHA CENTAURI A & B
- Program Type
- Monitoring
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ PERRIN/ ROUSSELET-PERRAUT
Target
- ID
- 37814
- Name
- WDSJ15479-6527A
- RA
- 236.97106666666664
- DEC
- -65.44230777777778
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 16.5370 | 16.5800 | 97.0000 | 97.3000 |
| A0-D0 | 31.9390 | 31.9410 | 31.3000 | 31.6000 |
| A0-C1 | 18.1970 | 18.2250 | 64.8200 | 65.1500 |
| B2-D0 | 29.3060 | 29.3060 | 0.4000 | 0.6000 |
| B2-C1 | 9.7590 | 9.7590 | 0.3320 | 0.5440 |
| D0-C1 | 19.5470 | 19.5470 | 180.3850 | 180.5970 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.008 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59697.11899046 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965677 |
| DEC | -65.44266 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 79.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 20 |
| HIERARCH ESO ISS PBL12 START | 16.537 |
| HIERARCH ESO ISS PBL12 END | 16.58 |
| HIERARCH ESO ISS PBLA12 START | 97.0 |
| HIERARCH ESO ISS PBLA12 END | 97.3 |
| HIERARCH ESO ISS PBL13 START | 31.939 |
| HIERARCH ESO ISS PBL13 END | 31.941 |
| HIERARCH ESO ISS PBLA13 START | 31.3 |
| HIERARCH ESO ISS PBLA13 END | 31.6 |
| HIERARCH ESO ISS PBL14 START | 18.197 |
| HIERARCH ESO ISS PBL14 END | 18.225 |
| HIERARCH ESO ISS PBLA14 START | 64.82 |
| HIERARCH ESO ISS PBLA14 END | 65.15 |
| HIERARCH ESO ISS PBL23 START | 29.306 |
| HIERARCH ESO ISS PBL23 END | 29.306 |
| HIERARCH ESO ISS PBLA23 START | 0.4 |
| HIERARCH ESO ISS PBLA23 END | 0.6 |
| HIERARCH ESO ISS PBL24 START | 9.759 |
| HIERARCH ESO ISS PBL24 END | 9.759 |
| HIERARCH ESO ISS PBLA24 START | 0.332 |
| HIERARCH ESO ISS PBLA24 END | 0.544 |
| HIERARCH ESO ISS PBL34 START | 19.547 |
| HIERARCH ESO ISS PBL34 END | 19.547 |
| HIERARCH ESO ISS PBLA34 START | 180.385 |
| HIERARCH ESO ISS PBLA34 END | 180.597 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004042 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00402 |
| HIERARCH ESO ISS AMBI TEMP | 12.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |