Exposure
- ID
- GRAVI.2024-03-16T08:42:53.451_2
- Header ID
- GRAVI.2024-03-16T08:42:53.451
- Date updated
- 2024-03-16 08:50:33 UTC+0000
- Release date
- 2024-03-16 08:42:53 UTC+0000
- UTC Start
- 2024-03-16 08:42:53.451
- UTC End
- 2024-03-16 08:44:29.451
- MJD Start
- 60385.36311865
- MJD End
- 60385.3642297611
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004999
- Ambient temperature (°C)
- 16.66
- Seeing (arcsec)
- 0.825
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
- 236.971724166667
- DEC
- -65.44269725
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 | 86.1920 | 86.2840 | 107.8000 | 108.3000 |
| A0-J2 | 129.0590 | 129.0820 | 89.6000 | 90.0000 |
| A0-K0 | 125.5520 | 125.4680 | 72.9620 | 73.3910 |
| G1-J2 | 54.3630 | 54.2990 | 59.9000 | 60.3000 |
| G1-K0 | 73.7420 | 73.6470 | 31.0190 | 31.3380 |
| J2-K0 | 37.0150 | 37.0410 | 345.9110 | 346.1850 |
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 | 60385.36311865 |
| 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 | 86.192 |
| HIERARCH ESO ISS PBL12 END | 86.284 |
| HIERARCH ESO ISS PBLA12 START | 107.8 |
| HIERARCH ESO ISS PBLA12 END | 108.3 |
| HIERARCH ESO ISS PBL13 START | 129.059 |
| HIERARCH ESO ISS PBL13 END | 129.082 |
| HIERARCH ESO ISS PBLA13 START | 89.6 |
| HIERARCH ESO ISS PBLA13 END | 90.0 |
| HIERARCH ESO ISS PBL14 START | 125.552 |
| HIERARCH ESO ISS PBL14 END | 125.468 |
| HIERARCH ESO ISS PBLA14 START | 72.962 |
| HIERARCH ESO ISS PBLA14 END | 73.391 |
| HIERARCH ESO ISS PBL23 START | 54.363 |
| HIERARCH ESO ISS PBL23 END | 54.299 |
| HIERARCH ESO ISS PBLA23 START | 59.9 |
| HIERARCH ESO ISS PBLA23 END | 60.3 |
| HIERARCH ESO ISS PBL24 START | 73.742 |
| HIERARCH ESO ISS PBL24 END | 73.647 |
| HIERARCH ESO ISS PBLA24 START | 31.019 |
| HIERARCH ESO ISS PBLA24 END | 31.338 |
| HIERARCH ESO ISS PBL34 START | 37.015 |
| HIERARCH ESO ISS PBL34 END | 37.041 |
| HIERARCH ESO ISS PBLA34 START | 345.911 |
| HIERARCH ESO ISS PBLA34 END | 346.185 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005725 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004273 |
| HIERARCH ESO ISS AMBI TEMP | 16.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.86 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |