Exposure
- ID
- GRAVI.2022-01-26T02:41:14.077_2
- Header ID
- GRAVI.2022-01-26T02:41:14.077
- Date updated
- 2022-01-26 03:00:28 UTC+0000
- Release date
- 2023-01-26 03:00:28 UTC+0000
- UTC Start
- 2022-01-26 02:41:14.077
- UTC End
- 2022-01-26 02:47:14.077
- MJD Start
- 59605.11196848
- MJD End
- 59605.116135146665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004039
- Ambient temperature (°C)
- 14.43
- Seeing (arcsec)
- 1.03
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 | 46.0250 | 46.5400 | 41.9000 | 41.8000 |
| U1-U3 | 88.2080 | 89.0910 | 46.6000 | 46.4000 |
| U1-U4 | 129.1780 | 129.4940 | 63.2140 | 62.4830 |
| U2-U3 | 42.5030 | 42.8530 | 51.7000 | 51.3000 |
| U2-U4 | 87.8910 | 87.4920 | 74.1710 | 73.2920 |
| U3-U4 | 51.2530 | 50.3920 | 92.6450 | 91.8800 |
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 | 59605.11196848 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | V AB Aur |
| HIERARCH ESO INS SOBJ NAME | ABAur_f1 |
| RA | 73.942962 |
| DEC | 30.55095 |
| 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 | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 46.025 |
| 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 | 88.208 |
| HIERARCH ESO ISS PBL13 END | 89.091 |
| HIERARCH ESO ISS PBLA13 START | 46.6 |
| HIERARCH ESO ISS PBLA13 END | 46.4 |
| HIERARCH ESO ISS PBL14 START | 129.178 |
| HIERARCH ESO ISS PBL14 END | 129.494 |
| HIERARCH ESO ISS PBLA14 START | 63.214 |
| HIERARCH ESO ISS PBLA14 END | 62.483 |
| HIERARCH ESO ISS PBL23 START | 42.503 |
| HIERARCH ESO ISS PBL23 END | 42.853 |
| HIERARCH ESO ISS PBLA23 START | 51.7 |
| HIERARCH ESO ISS PBLA23 END | 51.3 |
| HIERARCH ESO ISS PBL24 START | 87.891 |
| HIERARCH ESO ISS PBL24 END | 87.492 |
| HIERARCH ESO ISS PBLA24 START | 74.171 |
| HIERARCH ESO ISS PBLA24 END | 73.292 |
| HIERARCH ESO ISS PBL34 START | 51.253 |
| HIERARCH ESO ISS PBL34 END | 50.392 |
| HIERARCH ESO ISS PBLA34 START | 92.645 |
| HIERARCH ESO ISS PBLA34 END | 91.88 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004337 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003741 |
| HIERARCH ESO ISS AMBI TEMP | 14.43 |
| HIERARCH ESO ISS AMBI FWHM START | 1.0 |
| HIERARCH ESO ISS AMBI FWHM END | 1.06 |
| HIERARCH ESO FT ROBJ NAME | AB_Aur |
| HIERARCH ESO FT ROBJ ALPHA | 045545.845 |
| HIERARCH ESO FT ROBJ DELTA | 303304.293 |