Exposure
- ID
- GRAVI.2023-02-11T01:22:32.848_2
- Header ID
- GRAVI.2023-02-11T01:22:32.848
- Date updated
- 2023-02-11 01:31:17 UTC+0000
- Release date
- 2024-02-11 01:31:17 UTC+0000
- UTC Start
- 2023-02-11 01:22:32.848
- UTC End
- 2023-02-11 01:22:56.848
- MJD Start
- 59986.05732463
- MJD End
- 59986.057602407775
- Exposure time (s)
- 24.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006512
- Ambient temperature (°C)
- 15.38
- Seeing (arcsec)
- 0.59
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
- 73.94102083333334
- 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 | 44.5920 | 44.6560 | 42.1000 | 42.1000 |
| U1-U3 | 85.7070 | 85.8200 | 47.2000 | 47.2000 |
| U1-U4 | 128.0380 | 128.0960 | 65.1100 | 65.0290 |
| U2-U3 | 41.4900 | 41.5370 | 52.8000 | 52.7000 |
| U2-U4 | 88.7360 | 88.7060 | 76.4560 | 76.3580 |
| U3-U4 | 53.4040 | 53.3140 | 94.6350 | 94.5490 |
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 | 59986.05732463 |
| 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 | 48.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 80 |
| HIERARCH ESO ISS PBL12 START | 44.592 |
| HIERARCH ESO ISS PBL12 END | 44.656 |
| HIERARCH ESO ISS PBLA12 START | 42.1 |
| HIERARCH ESO ISS PBLA12 END | 42.1 |
| HIERARCH ESO ISS PBL13 START | 85.707 |
| HIERARCH ESO ISS PBL13 END | 85.82 |
| HIERARCH ESO ISS PBLA13 START | 47.2 |
| HIERARCH ESO ISS PBLA13 END | 47.2 |
| HIERARCH ESO ISS PBL14 START | 128.038 |
| HIERARCH ESO ISS PBL14 END | 128.096 |
| HIERARCH ESO ISS PBLA14 START | 65.11 |
| HIERARCH ESO ISS PBLA14 END | 65.029 |
| HIERARCH ESO ISS PBL23 START | 41.49 |
| HIERARCH ESO ISS PBL23 END | 41.537 |
| HIERARCH ESO ISS PBLA23 START | 52.8 |
| HIERARCH ESO ISS PBLA23 END | 52.7 |
| HIERARCH ESO ISS PBL24 START | 88.736 |
| HIERARCH ESO ISS PBL24 END | 88.706 |
| HIERARCH ESO ISS PBLA24 START | 76.456 |
| HIERARCH ESO ISS PBLA24 END | 76.358 |
| HIERARCH ESO ISS PBL34 START | 53.404 |
| HIERARCH ESO ISS PBL34 END | 53.314 |
| HIERARCH ESO ISS PBLA34 START | 94.635 |
| HIERARCH ESO ISS PBLA34 END | 94.549 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006512 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006512 |
| HIERARCH ESO ISS AMBI TEMP | 15.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | AB_Aur |
| HIERARCH ESO FT ROBJ ALPHA | 045545.845 |
| HIERARCH ESO FT ROBJ DELTA | 303304.293 |