Exposure
- ID
- GRAVI.2023-02-11T01:39:59.892_2
- Header ID
- GRAVI.2023-02-11T01:39:59.892
- Date updated
- 2023-02-11 01:55:59 UTC+0000
- Release date
- 2024-02-11 01:55:59 UTC+0000
- UTC Start
- 2023-02-11 01:39:59.892
- UTC End
- 2023-02-11 01:45:19.892
- MJD Start
- 59986.0694432
- MJD End
- 59986.0731469037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007896
- Ambient temperature (°C)
- 15.21
- Seeing (arcsec)
- 0.48
Observation
- ID
- 49346
- Category
- science
- Program ID
- 108.227A.004
- Program Title
- DEEP EXPLORATION OF THE AB AUR SYSTEM: CONFIRMATION OF A PROTOPLANET
- Program Type
- Normal
- PI / COI
- BOCCALETTI/ LACOUR/ MILLI/ MAIRE/ BECK/ PIETU/ TANG/ DI FOLCO/ DUTREY/ GUILLOTEAU/ PANTIN/ HUELAMO
Target
- ID
- 36917
- Name
- AB_Aur
- RA
- 73.9410208333333
- DEC
- 30.5511925
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 46.0770 | 46.5400 | 41.9000 | 41.8000 |
| U1-U3 | 88.2970 | 89.0900 | 46.6000 | 46.4000 |
| U1-U4 | 129.2120 | 129.4940 | 63.1410 | 62.4830 |
| U2-U3 | 42.5390 | 42.8520 | 51.7000 | 51.3000 |
| U2-U4 | 87.8530 | 87.4920 | 74.0830 | 73.2920 |
| U3-U4 | 51.1670 | 50.3920 | 92.5670 | 91.8790 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.227A.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59986.0694432 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | V AB Aur |
| HIERARCH ESO INS SOBJ NAME | ABAur_f1 |
| RA | 73.942934 |
| DEC | 30.55096 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 339.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 46.077 |
| HIERARCH ESO ISS PBL12 END | 46.54 |
| HIERARCH ESO ISS PBLA12 START | 41.9 |
| HIERARCH ESO ISS PBLA12 END | 41.8 |
| HIERARCH ESO ISS PBL13 START | 88.297 |
| HIERARCH ESO ISS PBL13 END | 89.09 |
| HIERARCH ESO ISS PBLA13 START | 46.6 |
| HIERARCH ESO ISS PBLA13 END | 46.4 |
| HIERARCH ESO ISS PBL14 START | 129.212 |
| HIERARCH ESO ISS PBL14 END | 129.494 |
| HIERARCH ESO ISS PBLA14 START | 63.141 |
| HIERARCH ESO ISS PBLA14 END | 62.483 |
| HIERARCH ESO ISS PBL23 START | 42.539 |
| HIERARCH ESO ISS PBL23 END | 42.852 |
| HIERARCH ESO ISS PBLA23 START | 51.7 |
| HIERARCH ESO ISS PBLA23 END | 51.3 |
| HIERARCH ESO ISS PBL24 START | 87.853 |
| HIERARCH ESO ISS PBL24 END | 87.492 |
| HIERARCH ESO ISS PBLA24 START | 74.083 |
| HIERARCH ESO ISS PBLA24 END | 73.292 |
| HIERARCH ESO ISS PBL34 START | 51.167 |
| HIERARCH ESO ISS PBL34 END | 50.392 |
| HIERARCH ESO ISS PBLA34 START | 92.567 |
| HIERARCH ESO ISS PBLA34 END | 91.879 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007954 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007838 |
| HIERARCH ESO ISS AMBI TEMP | 15.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | AB_Aur |
| HIERARCH ESO FT ROBJ ALPHA | 045545.845 |
| HIERARCH ESO FT ROBJ DELTA | 303304.293 |