Exposure
- ID
- GRAVI.2023-04-24T03:35:30.588_2
- Header ID
- GRAVI.2023-04-24T03:35:30.588
- Date updated
- 2023-04-24 03:45:54 UTC+0000
- Release date
- 2023-04-24 03:35:30 UTC+0000
- UTC Start
- 2023-04-24 03:35:30.588
- UTC End
- 2023-04-24 03:37:00.588
- MJD Start
- 60058.14965958
- MJD End
- 60058.1507012467
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003111
- Ambient temperature (°C)
- 7.97
- Seeing (arcsec)
- 1.3
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
- 236.971066666667
- DEC
- -65.4423077777778
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 | 75.2050 | 75.3610 | 71.8000 | 72.2000 |
| A0-J2 | 122.7850 | 122.8890 | 52.6000 | 53.1000 |
| A0-K0 | 127.9010 | 127.9090 | 37.6750 | 38.0900 |
| G1-J2 | 57.3550 | 57.3400 | 27.1000 | 27.5000 |
| G1-K0 | 78.0240 | 78.0110 | 4.9490 | 5.2500 |
| J2-K0 | 32.9650 | 33.0340 | 323.9990 | 324.2460 |
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 | 60058.14965958 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965661 |
| 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 | 75.205 |
| HIERARCH ESO ISS PBL12 END | 75.361 |
| HIERARCH ESO ISS PBLA12 START | 71.8 |
| HIERARCH ESO ISS PBLA12 END | 72.2 |
| HIERARCH ESO ISS PBL13 START | 122.785 |
| HIERARCH ESO ISS PBL13 END | 122.889 |
| HIERARCH ESO ISS PBLA13 START | 52.6 |
| HIERARCH ESO ISS PBLA13 END | 53.1 |
| HIERARCH ESO ISS PBL14 START | 127.901 |
| HIERARCH ESO ISS PBL14 END | 127.909 |
| HIERARCH ESO ISS PBLA14 START | 37.675 |
| HIERARCH ESO ISS PBLA14 END | 38.09 |
| HIERARCH ESO ISS PBL23 START | 57.355 |
| HIERARCH ESO ISS PBL23 END | 57.34 |
| HIERARCH ESO ISS PBLA23 START | 27.1 |
| HIERARCH ESO ISS PBLA23 END | 27.5 |
| HIERARCH ESO ISS PBL24 START | 78.024 |
| HIERARCH ESO ISS PBL24 END | 78.011 |
| HIERARCH ESO ISS PBLA24 START | 4.949 |
| HIERARCH ESO ISS PBLA24 END | 5.25 |
| HIERARCH ESO ISS PBL34 START | 32.965 |
| HIERARCH ESO ISS PBL34 END | 33.034 |
| HIERARCH ESO ISS PBLA34 START | 323.999 |
| HIERARCH ESO ISS PBLA34 END | 324.246 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003111 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003111 |
| HIERARCH ESO ISS AMBI TEMP | 7.97 |
| HIERARCH ESO ISS AMBI FWHM START | 1.3 |
| HIERARCH ESO ISS AMBI FWHM END | 1.3 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |