Exposure
- ID
- GRAVI.2023-02-21T07:09:31.963_2
- Header ID
- GRAVI.2023-02-21T07:09:31.963
- Date updated
- 2023-02-21 07:15:38 UTC+0000
- Release date
- 2023-02-21 07:09:31 UTC+0000
- UTC Start
- 2023-02-21 07:09:31.963
- UTC End
- 2023-02-21 07:11:01.963
- MJD Start
- 59996.29828661
- MJD End
- 59996.2993282767
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053405
- Ambient temperature (°C)
- 13.51
- Seeing (arcsec)
- 0.58
Observation
- ID
- 54216
- 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
- 37816
- Name
- WDSJ15479-6527B
- RA
- 236.971724166667
- DEC
- -65.44269725
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 | 72.6070 | 72.7650 | 64.2000 | 64.7000 |
| A0-J2 | 121.0520 | 121.1560 | 45.1000 | 45.6000 |
| A0-K0 | 127.7050 | 127.7190 | 30.7810 | 31.2020 |
| G1-J2 | 57.5640 | 57.5530 | 20.8000 | 21.2000 |
| G1-K0 | 78.1390 | 78.1390 | 359.9860 | 0.2870 |
| J2-K0 | 31.7660 | 31.8430 | 319.9590 | 320.2030 |
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 | 59996.29828661 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| RA | 236.965666 |
| 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 | 72.607 |
| HIERARCH ESO ISS PBL12 END | 72.765 |
| HIERARCH ESO ISS PBLA12 START | 64.2 |
| HIERARCH ESO ISS PBLA12 END | 64.7 |
| HIERARCH ESO ISS PBL13 START | 121.052 |
| HIERARCH ESO ISS PBL13 END | 121.156 |
| HIERARCH ESO ISS PBLA13 START | 45.1 |
| HIERARCH ESO ISS PBLA13 END | 45.6 |
| HIERARCH ESO ISS PBL14 START | 127.705 |
| HIERARCH ESO ISS PBL14 END | 127.719 |
| HIERARCH ESO ISS PBLA14 START | 30.781 |
| HIERARCH ESO ISS PBLA14 END | 31.202 |
| HIERARCH ESO ISS PBL23 START | 57.564 |
| HIERARCH ESO ISS PBL23 END | 57.553 |
| HIERARCH ESO ISS PBLA23 START | 20.8 |
| HIERARCH ESO ISS PBLA23 END | 21.2 |
| HIERARCH ESO ISS PBL24 START | 78.139 |
| HIERARCH ESO ISS PBL24 END | 78.139 |
| HIERARCH ESO ISS PBLA24 START | 359.986 |
| HIERARCH ESO ISS PBLA24 END | 0.287 |
| HIERARCH ESO ISS PBL34 START | 31.766 |
| HIERARCH ESO ISS PBL34 END | 31.843 |
| HIERARCH ESO ISS PBLA34 START | 319.959 |
| HIERARCH ESO ISS PBLA34 END | 320.203 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005194 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005487 |
| HIERARCH ESO ISS AMBI TEMP | 13.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |