Exposure
- ID
- GRAVI.2024-03-16T08:47:41.464_2
- Header ID
- GRAVI.2024-03-16T08:47:41.464
- Date updated
- 2024-03-16 09:00:41 UTC+0000
- Release date
- 2024-03-16 08:47:41 UTC+0000
- UTC Start
- 2024-03-16 08:47:41.464
- UTC End
- 2024-03-16 08:49:17.464
- MJD Start
- 60385.36645213
- MJD End
- 60385.3675632411
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048965
- Ambient temperature (°C)
- 16.62
- Seeing (arcsec)
- 0.635
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 | 86.4180 | 86.5060 | 108.9000 | 109.3000 |
| A0-J2 | 129.1130 | 129.1320 | 90.7000 | 91.1000 |
| A0-K0 | 125.3390 | 125.2520 | 74.0280 | 74.4570 |
| G1-J2 | 54.2030 | 54.1380 | 60.9000 | 61.3000 |
| G1-K0 | 73.5030 | 73.4050 | 31.8090 | 32.1280 |
| J2-K0 | 37.0800 | 37.1050 | 346.5920 | 346.8680 |
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 | 60385.36645213 |
| 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 | 86.418 |
| HIERARCH ESO ISS PBL12 END | 86.506 |
| HIERARCH ESO ISS PBLA12 START | 108.9 |
| HIERARCH ESO ISS PBLA12 END | 109.3 |
| HIERARCH ESO ISS PBL13 START | 129.113 |
| HIERARCH ESO ISS PBL13 END | 129.132 |
| HIERARCH ESO ISS PBLA13 START | 90.7 |
| HIERARCH ESO ISS PBLA13 END | 91.1 |
| HIERARCH ESO ISS PBL14 START | 125.339 |
| HIERARCH ESO ISS PBL14 END | 125.252 |
| HIERARCH ESO ISS PBLA14 START | 74.028 |
| HIERARCH ESO ISS PBLA14 END | 74.457 |
| HIERARCH ESO ISS PBL23 START | 54.203 |
| HIERARCH ESO ISS PBL23 END | 54.138 |
| HIERARCH ESO ISS PBLA23 START | 60.9 |
| HIERARCH ESO ISS PBLA23 END | 61.3 |
| HIERARCH ESO ISS PBL24 START | 73.503 |
| HIERARCH ESO ISS PBL24 END | 73.405 |
| HIERARCH ESO ISS PBLA24 START | 31.809 |
| HIERARCH ESO ISS PBLA24 END | 32.128 |
| HIERARCH ESO ISS PBL34 START | 37.08 |
| HIERARCH ESO ISS PBL34 END | 37.105 |
| HIERARCH ESO ISS PBLA34 START | 346.592 |
| HIERARCH ESO ISS PBLA34 END | 346.868 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00447 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005323 |
| HIERARCH ESO ISS AMBI TEMP | 16.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | WDSJ15479-6527B |
| HIERARCH ESO FT ROBJ ALPHA | 154753.2138 |
| HIERARCH ESO FT ROBJ DELTA | -652633.7101 |