Exposure
- ID
- GRAVI.2023-03-23T06:04:35.864_2
- Header ID
- GRAVI.2023-03-23T06:04:35.864
- Date updated
- 2023-03-23 06:11:05 UTC+0000
- Release date
- 2023-03-23 06:04:35 UTC+0000
- UTC Start
- 2023-03-23 06:04:35.864
- UTC End
- 2023-03-23 06:06:05.864
- MJD Start
- 60026.25319287
- MJD End
- 60026.25423453667
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005482
- Ambient temperature (°C)
- 14.72
- Seeing (arcsec)
- 0.6
Observation
- ID
- 54183
- Category
- calibrator
- Program ID
- 106.217D.005
- 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 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 77.1960 | 77.3450 | 77.5000 | 78.0000 |
| A0-J2 | 124.1130 | 124.2120 | 58.3000 | 58.8000 |
| A0-K0 | 127.9770 | 127.9790 | 43.0260 | 43.4360 |
| G1-J2 | 57.1370 | 57.1180 | 32.0000 | 32.4000 |
| G1-K0 | 77.8000 | 77.7770 | 8.8410 | 9.1420 |
| J2-K0 | 33.8130 | 33.8740 | 327.1970 | 327.4450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.217D.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60026.25319287 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965664 |
| DEC | -65.44267 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 111.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 30 |
| HIERARCH ESO ISS PBL12 START | 77.196 |
| HIERARCH ESO ISS PBL12 END | 77.345 |
| HIERARCH ESO ISS PBLA12 START | 77.5 |
| HIERARCH ESO ISS PBLA12 END | 78.0 |
| HIERARCH ESO ISS PBL13 START | 124.113 |
| HIERARCH ESO ISS PBL13 END | 124.212 |
| HIERARCH ESO ISS PBLA13 START | 58.3 |
| HIERARCH ESO ISS PBLA13 END | 58.8 |
| HIERARCH ESO ISS PBL14 START | 127.977 |
| HIERARCH ESO ISS PBL14 END | 127.979 |
| HIERARCH ESO ISS PBLA14 START | 43.026 |
| HIERARCH ESO ISS PBLA14 END | 43.436 |
| HIERARCH ESO ISS PBL23 START | 57.137 |
| HIERARCH ESO ISS PBL23 END | 57.118 |
| HIERARCH ESO ISS PBLA23 START | 32.0 |
| HIERARCH ESO ISS PBLA23 END | 32.4 |
| HIERARCH ESO ISS PBL24 START | 77.8 |
| HIERARCH ESO ISS PBL24 END | 77.777 |
| HIERARCH ESO ISS PBLA24 START | 8.841 |
| HIERARCH ESO ISS PBLA24 END | 9.142 |
| HIERARCH ESO ISS PBL34 START | 33.813 |
| HIERARCH ESO ISS PBL34 END | 33.874 |
| HIERARCH ESO ISS PBLA34 START | 327.197 |
| HIERARCH ESO ISS PBLA34 END | 327.445 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005482 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005482 |
| HIERARCH ESO ISS AMBI TEMP | 14.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |