Exposure
- ID
- GRAVI.2022-01-26T01:19:07.870_2
- Header ID
- GRAVI.2022-01-26T01:19:07.870
- Date updated
- 2022-01-26 01:26:08 UTC+0000
- Release date
- 2023-01-26 01:26:08 UTC+0000
- UTC Start
- 2022-01-26 01:19:07.870
- UTC End
- 2022-01-26 01:19:31.870
- MJD Start
- 59605.0549522
- MJD End
- 59605.05522997778
- Exposure time (s)
- 24.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041415
- Ambient temperature (°C)
- 14.63
- Seeing (arcsec)
- 0.7949999999999999
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 | 38.3370 | 38.4160 | 40.6000 | 40.7000 |
| U1-U3 | 74.1110 | 74.2630 | 48.0000 | 48.0000 |
| U1-U4 | 119.3260 | 119.4680 | 71.8870 | 71.8120 |
| U2-U3 | 36.4270 | 36.4960 | 55.8000 | 55.8000 |
| U2-U4 | 88.8070 | 88.8370 | 84.8310 | 84.7350 |
| U3-U4 | 59.6390 | 59.5860 | 102.0760 | 101.9890 |
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 | 59605.0549522 |
| 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 | 48.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 80 |
| HIERARCH ESO ISS PBL12 START | 38.337 |
| HIERARCH ESO ISS PBL12 END | 38.416 |
| HIERARCH ESO ISS PBLA12 START | 40.6 |
| HIERARCH ESO ISS PBLA12 END | 40.7 |
| HIERARCH ESO ISS PBL13 START | 74.111 |
| HIERARCH ESO ISS PBL13 END | 74.263 |
| HIERARCH ESO ISS PBLA13 START | 48.0 |
| HIERARCH ESO ISS PBLA13 END | 48.0 |
| HIERARCH ESO ISS PBL14 START | 119.326 |
| HIERARCH ESO ISS PBL14 END | 119.468 |
| HIERARCH ESO ISS PBLA14 START | 71.887 |
| HIERARCH ESO ISS PBLA14 END | 71.812 |
| HIERARCH ESO ISS PBL23 START | 36.427 |
| HIERARCH ESO ISS PBL23 END | 36.496 |
| HIERARCH ESO ISS PBLA23 START | 55.8 |
| HIERARCH ESO ISS PBLA23 END | 55.8 |
| HIERARCH ESO ISS PBL24 START | 88.807 |
| HIERARCH ESO ISS PBL24 END | 88.837 |
| HIERARCH ESO ISS PBLA24 START | 84.831 |
| HIERARCH ESO ISS PBLA24 END | 84.735 |
| HIERARCH ESO ISS PBL34 START | 59.639 |
| HIERARCH ESO ISS PBL34 END | 59.586 |
| HIERARCH ESO ISS PBLA34 START | 102.076 |
| HIERARCH ESO ISS PBLA34 END | 101.989 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004268 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004015 |
| HIERARCH ESO ISS AMBI TEMP | 14.63 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.83 |
| HIERARCH ESO FT ROBJ NAME | AB_Aur |
| HIERARCH ESO FT ROBJ ALPHA | 045545.845 |
| HIERARCH ESO FT ROBJ DELTA | 303304.293 |