Exposure
- ID
- GRAVI.2024-07-04T01:11:21.637_1
- Header ID
- GRAVI.2024-07-04T01:11:21.637
- Date updated
- 2024-07-04 01:30:37 UTC+0000
- Release date
- 2025-07-04 01:30:37 UTC+0000
- UTC Start
- 2024-07-04 01:11:21.637
- UTC End
- 2024-07-04 01:18:01.637
- MJD Start
- 60495.04955598
- MJD End
- 60495.0541856096
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007043
- Ambient temperature (°C)
- 16.09
- Seeing (arcsec)
- 0.67
Observation
- ID
- 59882
- Category
- science
- Program ID
- 113.267X.001
- Program Title
- GRAVITY ASTROMETRY OF STELLAR CONJUNCTIONS OF ALPHA CENTAURI FOR STELLAR PHYSICS AND EXOPLANETS
- Program Type
- Normal
- PI / COI
- KERVELLA / MÉRAND / LACOUR / FORVEILLE / ARENOU / THEVENIN / BOURDAROT / BRANDNER / STRAUBMEIER / GARCIA / WOILLEZ / EISENHAUER / PAUMARD / ROUSSELET-PERRAUT / PERRIN
Target
- ID
- 44428
- Name
- StarS4
- RA
- 219.843648
- DEC
- -60.82902
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 88.9020 | 89.1100 | 119.5000 | 120.9000 |
| A0-J2 | 129.0590 | 128.9490 | 100.7000 | 102.2000 |
| A0-K0 | 123.2050 | 122.6870 | 82.7380 | 84.2220 |
| G1-J2 | 53.1760 | 52.8460 | 68.3000 | 69.6000 |
| G1-K0 | 74.3200 | 73.8550 | 37.0840 | 38.1280 |
| J2-K0 | 39.8640 | 39.9080 | 353.4000 | 354.3280 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.267X.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60495.04955598 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | AlphaCenB |
| HIERARCH ESO INS SOBJ NAME | StarS4 |
| RA | 219.843648 |
| DEC | -60.82902 |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 88.902 |
| HIERARCH ESO ISS PBL12 END | 89.11 |
| HIERARCH ESO ISS PBLA12 START | 119.5 |
| HIERARCH ESO ISS PBLA12 END | 120.9 |
| HIERARCH ESO ISS PBL13 START | 129.059 |
| HIERARCH ESO ISS PBL13 END | 128.949 |
| HIERARCH ESO ISS PBLA13 START | 100.7 |
| HIERARCH ESO ISS PBLA13 END | 102.2 |
| HIERARCH ESO ISS PBL14 START | 123.205 |
| HIERARCH ESO ISS PBL14 END | 122.687 |
| HIERARCH ESO ISS PBLA14 START | 82.738 |
| HIERARCH ESO ISS PBLA14 END | 84.222 |
| HIERARCH ESO ISS PBL23 START | 53.176 |
| HIERARCH ESO ISS PBL23 END | 52.846 |
| HIERARCH ESO ISS PBLA23 START | 68.3 |
| HIERARCH ESO ISS PBLA23 END | 69.6 |
| HIERARCH ESO ISS PBL24 START | 74.32 |
| HIERARCH ESO ISS PBL24 END | 73.855 |
| HIERARCH ESO ISS PBLA24 START | 37.084 |
| HIERARCH ESO ISS PBLA24 END | 38.128 |
| HIERARCH ESO ISS PBL34 START | 39.864 |
| HIERARCH ESO ISS PBL34 END | 39.908 |
| HIERARCH ESO ISS PBLA34 START | 353.4 |
| HIERARCH ESO ISS PBLA34 END | 354.328 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007466 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00662 |
| HIERARCH ESO ISS AMBI TEMP | 16.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | AlphaCenB |
| HIERARCH ESO FT ROBJ ALPHA | 143923.654 |
| HIERARCH ESO FT ROBJ DELTA | -604945.998 |