Exposure
- ID
- GRAVI.2023-02-21T08:35:26.183_2
- Header ID
- GRAVI.2023-02-21T08:35:26.183
- Date updated
- 2023-02-21 08:45:25 UTC+0000
- Release date
- 2023-02-21 08:35:26 UTC+0000
- UTC Start
- 2023-02-21 08:35:26.183
- UTC End
- 2023-02-21 08:36:56.183
- MJD Start
- 59996.35794193
- MJD End
- 59996.3589835967
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005108
- Ambient temperature (°C)
- 12.12
- 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 | 79.8480 | 79.9850 | 85.3000 | 85.7000 |
| A0-J2 | 125.8420 | 125.9290 | 66.3000 | 66.7000 |
| A0-K0 | 127.9020 | 127.8900 | 50.5060 | 50.9110 |
| G1-J2 | 56.7150 | 56.6880 | 38.9000 | 39.3000 |
| G1-K0 | 77.2420 | 77.2040 | 14.3350 | 14.6350 |
| J2-K0 | 34.8590 | 34.9110 | 331.7520 | 332.0020 |
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 | 59996.35794193 |
| 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 | 79.848 |
| HIERARCH ESO ISS PBL12 END | 79.985 |
| HIERARCH ESO ISS PBLA12 START | 85.3 |
| HIERARCH ESO ISS PBLA12 END | 85.7 |
| HIERARCH ESO ISS PBL13 START | 125.842 |
| HIERARCH ESO ISS PBL13 END | 125.929 |
| HIERARCH ESO ISS PBLA13 START | 66.3 |
| HIERARCH ESO ISS PBLA13 END | 66.7 |
| HIERARCH ESO ISS PBL14 START | 127.902 |
| HIERARCH ESO ISS PBL14 END | 127.89 |
| HIERARCH ESO ISS PBLA14 START | 50.506 |
| HIERARCH ESO ISS PBLA14 END | 50.911 |
| HIERARCH ESO ISS PBL23 START | 56.715 |
| HIERARCH ESO ISS PBL23 END | 56.688 |
| HIERARCH ESO ISS PBLA23 START | 38.9 |
| HIERARCH ESO ISS PBLA23 END | 39.3 |
| HIERARCH ESO ISS PBL24 START | 77.242 |
| HIERARCH ESO ISS PBL24 END | 77.204 |
| HIERARCH ESO ISS PBLA24 START | 14.335 |
| HIERARCH ESO ISS PBLA24 END | 14.635 |
| HIERARCH ESO ISS PBL34 START | 34.859 |
| HIERARCH ESO ISS PBL34 END | 34.911 |
| HIERARCH ESO ISS PBLA34 START | 331.752 |
| HIERARCH ESO ISS PBLA34 END | 332.002 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005607 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004609 |
| HIERARCH ESO ISS AMBI TEMP | 12.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |