Exposure
- ID
- GRAVI.2024-03-18T06:22:01.735_2
- Header ID
- GRAVI.2024-03-18T06:22:01.735
- Date updated
- 2024-09-13 04:55:54 UTC+0000
- Release date
- 2024-03-18 06:22:01 UTC+0000
- UTC Start
- 2024-03-18 06:22:01.735
- UTC End
- 2024-03-18 06:23:37.735
- MJD Start
- 60387.26529786
- MJD End
- 60387.26640897111
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004758500000000001
- Ambient temperature (°C)
- 15.38
- Seeing (arcsec)
- 1.15
Observation
- ID
- 58633
- 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
- 37816
- Name
- WDSJ15479-6527B
- RA
- 236.97172416666663
- DEC
- -65.44269725000001
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 | 77.2520 | 77.4110 | 77.7000 | 78.1000 |
| A0-J2 | 124.1510 | 124.2570 | 58.5000 | 59.0000 |
| A0-K0 | 127.9780 | 127.9800 | 43.1770 | 43.6180 |
| G1-J2 | 57.1300 | 57.1090 | 32.1000 | 32.5000 |
| G1-K0 | 77.7880 | 77.7630 | 8.9520 | 9.2750 |
| J2-K0 | 33.8330 | 33.8990 | 327.2860 | 327.5520 |
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 | 60387.26529786 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | WDSJ15479-6527A |
| HIERARCH ESO INS SOBJ NAME | WDSJ15479-6527A |
| 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 | 77.252 |
| HIERARCH ESO ISS PBL12 END | 77.411 |
| HIERARCH ESO ISS PBLA12 START | 77.7 |
| HIERARCH ESO ISS PBLA12 END | 78.1 |
| HIERARCH ESO ISS PBL13 START | 124.151 |
| HIERARCH ESO ISS PBL13 END | 124.257 |
| HIERARCH ESO ISS PBLA13 START | 58.5 |
| HIERARCH ESO ISS PBLA13 END | 59.0 |
| HIERARCH ESO ISS PBL14 START | 127.978 |
| HIERARCH ESO ISS PBL14 END | 127.98 |
| HIERARCH ESO ISS PBLA14 START | 43.177 |
| HIERARCH ESO ISS PBLA14 END | 43.618 |
| HIERARCH ESO ISS PBL23 START | 57.13 |
| HIERARCH ESO ISS PBL23 END | 57.109 |
| HIERARCH ESO ISS PBLA23 START | 32.1 |
| HIERARCH ESO ISS PBLA23 END | 32.5 |
| HIERARCH ESO ISS PBL24 START | 77.788 |
| HIERARCH ESO ISS PBL24 END | 77.763 |
| HIERARCH ESO ISS PBLA24 START | 8.952 |
| HIERARCH ESO ISS PBLA24 END | 9.275 |
| HIERARCH ESO ISS PBL34 START | 33.833 |
| HIERARCH ESO ISS PBL34 END | 33.899 |
| HIERARCH ESO ISS PBLA34 START | 327.286 |
| HIERARCH ESO ISS PBLA34 END | 327.552 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004607 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00491 |
| HIERARCH ESO ISS AMBI TEMP | 15.38 |
| HIERARCH ESO ISS AMBI FWHM START | 1.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |