Exposure
- ID
- GRAVI.2024-03-17T05:46:17.339_2
- Header ID
- GRAVI.2024-03-17T05:46:17.339
- Date updated
- 2024-03-17 05:55:30 UTC+0000
- Release date
- 2024-03-17 05:46:17 UTC+0000
- UTC Start
- 2024-03-17 05:46:17.339
- UTC End
- 2024-03-17 05:47:53.339
- MJD Start
- 60386.24047846
- MJD End
- 60386.2415895711
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0095995
- Ambient temperature (°C)
- 16.63
- Seeing (arcsec)
- 0.965
Observation
- ID
- 58631
- Category
- calibrator
- Program ID
- 112.25BY.002
- Program Title
- GRAVITY ASTROMETRY OF STELLAR CONJUNCTIONS OF ALPHA CEN FOR STELLAR PHYSICS AND EXOPLANETS
- Program Type
- Normal
- PI / COI
- KERVELLA/ MÉRAND/ LACOUR/ FORVEILLE/ ARENOU/ THEVENIN/ BRANDNER/ STRAUBMEIER/ GARCIA/ WOILLEZ/ EISENHAUER/ PAUMARD/ ROUSSELET-PERRAUT/ PERRIN
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 | 73.8400 | 74.0100 | 67.8000 | 68.3000 |
| A0-J2 | 121.8710 | 121.9840 | 48.7000 | 49.2000 |
| A0-K0 | 127.8080 | 127.8200 | 34.0420 | 34.4910 |
| G1-J2 | 57.4760 | 57.4630 | 23.8000 | 24.2000 |
| G1-K0 | 78.1120 | 78.1050 | 2.3260 | 2.6490 |
| J2-K0 | 32.3490 | 32.4270 | 321.8570 | 322.1210 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25BY.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60386.24047846 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527B |
| RA | 236.965648 |
| DEC | -65.44268 |
| 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 | 118.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 73.84 |
| HIERARCH ESO ISS PBL12 END | 74.01 |
| HIERARCH ESO ISS PBLA12 START | 67.8 |
| HIERARCH ESO ISS PBLA12 END | 68.3 |
| HIERARCH ESO ISS PBL13 START | 121.871 |
| HIERARCH ESO ISS PBL13 END | 121.984 |
| HIERARCH ESO ISS PBLA13 START | 48.7 |
| HIERARCH ESO ISS PBLA13 END | 49.2 |
| HIERARCH ESO ISS PBL14 START | 127.808 |
| HIERARCH ESO ISS PBL14 END | 127.82 |
| HIERARCH ESO ISS PBLA14 START | 34.042 |
| HIERARCH ESO ISS PBLA14 END | 34.491 |
| HIERARCH ESO ISS PBL23 START | 57.476 |
| HIERARCH ESO ISS PBL23 END | 57.463 |
| HIERARCH ESO ISS PBLA23 START | 23.8 |
| HIERARCH ESO ISS PBLA23 END | 24.2 |
| HIERARCH ESO ISS PBL24 START | 78.112 |
| HIERARCH ESO ISS PBL24 END | 78.105 |
| HIERARCH ESO ISS PBLA24 START | 2.326 |
| HIERARCH ESO ISS PBLA24 END | 2.649 |
| HIERARCH ESO ISS PBL34 START | 32.349 |
| HIERARCH ESO ISS PBL34 END | 32.427 |
| HIERARCH ESO ISS PBLA34 START | 321.857 |
| HIERARCH ESO ISS PBLA34 END | 322.121 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00903 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010169 |
| HIERARCH ESO ISS AMBI TEMP | 16.63 |
| HIERARCH ESO ISS AMBI FWHM START | 0.94 |
| HIERARCH ESO ISS AMBI FWHM END | 0.99 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |