Exposure
- ID
- GRAVI.2023-02-16T07:15:04.286_2
- Header ID
- GRAVI.2023-02-16T07:15:04.286
- Date updated
- 2023-02-16 07:21:33 UTC+0000
- Release date
- 2023-02-16 07:15:04 UTC+0000
- UTC Start
- 2023-02-16 07:15:04.286
- UTC End
- 2023-02-16 07:16:34.286
- MJD Start
- 59991.30213294
- MJD End
- 59991.3031746067
- Exposure time (s)
- 90.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00363
- Ambient temperature (°C)
- 13.26
- Seeing (arcsec)
- 0.63
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 | 71.3620 | 71.5190 | 60.5000 | 61.0000 |
| A0-J2 | 120.2380 | 120.3390 | 41.5000 | 42.0000 |
| A0-K0 | 127.5900 | 127.6050 | 27.4690 | 27.8880 |
| G1-J2 | 57.6360 | 57.6270 | 17.8000 | 18.1000 |
| G1-K0 | 78.1150 | 78.1200 | 357.6230 | 357.9210 |
| J2-K0 | 31.1420 | 31.2230 | 318.0460 | 318.2870 |
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 | 59991.30213294 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| 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 | 71.362 |
| HIERARCH ESO ISS PBL12 END | 71.519 |
| HIERARCH ESO ISS PBLA12 START | 60.5 |
| HIERARCH ESO ISS PBLA12 END | 61.0 |
| HIERARCH ESO ISS PBL13 START | 120.238 |
| HIERARCH ESO ISS PBL13 END | 120.339 |
| HIERARCH ESO ISS PBLA13 START | 41.5 |
| HIERARCH ESO ISS PBLA13 END | 42.0 |
| HIERARCH ESO ISS PBL14 START | 127.59 |
| HIERARCH ESO ISS PBL14 END | 127.605 |
| HIERARCH ESO ISS PBLA14 START | 27.469 |
| HIERARCH ESO ISS PBLA14 END | 27.888 |
| HIERARCH ESO ISS PBL23 START | 57.636 |
| HIERARCH ESO ISS PBL23 END | 57.627 |
| HIERARCH ESO ISS PBLA23 START | 17.8 |
| HIERARCH ESO ISS PBLA23 END | 18.1 |
| HIERARCH ESO ISS PBL24 START | 78.115 |
| HIERARCH ESO ISS PBL24 END | 78.12 |
| HIERARCH ESO ISS PBLA24 START | 357.623 |
| HIERARCH ESO ISS PBLA24 END | 357.921 |
| HIERARCH ESO ISS PBL34 START | 31.142 |
| HIERARCH ESO ISS PBL34 END | 31.223 |
| HIERARCH ESO ISS PBLA34 START | 318.046 |
| HIERARCH ESO ISS PBLA34 END | 318.287 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003761 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003499 |
| HIERARCH ESO ISS AMBI TEMP | 13.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| 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 |