Exposure
- ID
- GRAVI.2024-03-17T05:41:29.327_2
- Header ID
- GRAVI.2024-03-17T05:41:29.327
- Date updated
- 2024-09-13 04:55:54 UTC+0000
- Release date
- 2024-03-17 05:41:29 UTC+0000
- UTC Start
- 2024-03-17 05:41:29.327
- UTC End
- 2024-03-17 05:43:05.327
- MJD Start
- 60386.23714499
- MJD End
- 60386.23825610111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0103905
- Ambient temperature (°C)
- 16.68
- Seeing (arcsec)
- 1.025
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
- 236.97106666666664
- DEC
- -65.44230777777778
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 | 73.4170 | 73.5870 | 66.6000 | 67.1000 |
| A0-J2 | 121.5890 | 121.7020 | 47.5000 | 48.0000 |
| A0-K0 | 127.7740 | 127.7880 | 32.9230 | 33.3730 |
| G1-J2 | 57.5080 | 57.4950 | 22.7000 | 23.1000 |
| G1-K0 | 78.1250 | 78.1210 | 1.5220 | 1.8460 |
| J2-K0 | 32.1510 | 32.2310 | 321.2040 | 321.4670 |
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 | 60386.23714499 |
| 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 | 73.417 |
| HIERARCH ESO ISS PBL12 END | 73.587 |
| HIERARCH ESO ISS PBLA12 START | 66.6 |
| HIERARCH ESO ISS PBLA12 END | 67.1 |
| HIERARCH ESO ISS PBL13 START | 121.589 |
| HIERARCH ESO ISS PBL13 END | 121.702 |
| HIERARCH ESO ISS PBLA13 START | 47.5 |
| HIERARCH ESO ISS PBLA13 END | 48.0 |
| HIERARCH ESO ISS PBL14 START | 127.774 |
| HIERARCH ESO ISS PBL14 END | 127.788 |
| HIERARCH ESO ISS PBLA14 START | 32.923 |
| HIERARCH ESO ISS PBLA14 END | 33.373 |
| HIERARCH ESO ISS PBL23 START | 57.508 |
| HIERARCH ESO ISS PBL23 END | 57.495 |
| HIERARCH ESO ISS PBLA23 START | 22.7 |
| HIERARCH ESO ISS PBLA23 END | 23.1 |
| HIERARCH ESO ISS PBL24 START | 78.125 |
| HIERARCH ESO ISS PBL24 END | 78.121 |
| HIERARCH ESO ISS PBLA24 START | 1.522 |
| HIERARCH ESO ISS PBLA24 END | 1.846 |
| HIERARCH ESO ISS PBL34 START | 32.151 |
| HIERARCH ESO ISS PBL34 END | 32.231 |
| HIERARCH ESO ISS PBLA34 START | 321.204 |
| HIERARCH ESO ISS PBLA34 END | 321.467 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010722 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010059 |
| HIERARCH ESO ISS AMBI TEMP | 16.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.99 |
| HIERARCH ESO ISS AMBI FWHM END | 1.06 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527A |
| HIERARCH ESO FT ROBJ ALPHA | 154753.056 |
| HIERARCH ESO FT ROBJ DELTA | -652632.308 |