Exposure
- ID
- GRAVI.2022-08-16T07:13:28.246_2
- Header ID
- GRAVI.2022-08-16T07:13:28.246
- Date updated
- 2022-08-16 07:30:42 UTC+0000
- Release date
- 2023-08-16 07:30:42 UTC+0000
- UTC Start
- 2022-08-16 07:13:28.246
- UTC End
- 2022-08-16 07:19:28.246
- MJD Start
- 59807.30102136
- MJD End
- 59807.3051880267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025425
- Ambient temperature (°C)
- 7.76
- Seeing (arcsec)
- 1.26
Observation
- ID
- 51919
- Category
- science
- Program ID
- 109.23BY.002
- Program Title
- SIZING UP THE HOT DUST CONTINUUM IN AGN WITH DIRECT MEASUREMENTS
- Program Type
- Normal
- PI / COI
- DAVIES/ DE ZEEUW/ DEXTER/ HOENIG/ LUTZ/ SHANGGUAN/ SHIMIZU/ STURM/ SANTOS/ CAO/ KISHIMOTO
Target
- ID
- 32940
- Name
- HR8799
- RA
- 346.869645833333
- DEC
- 21.1342505555556
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 | 48.1970 | 48.6600 | 37.8000 | 38.0000 |
U1-U3 | 90.8830 | 91.7070 | 43.4000 | 43.4000 |
U1-U4 | 129.0810 | 129.4430 | 64.2600 | 63.7630 |
U2-U3 | 43.1700 | 43.5080 | 49.7000 | 49.5000 |
U2-U4 | 88.5520 | 88.2080 | 78.2750 | 77.6520 |
U3-U4 | 54.7140 | 53.9310 | 100.4800 | 100.0540 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 109.23BY.002 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,DUAL |
MJD-OBS | 59807.30102136 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
HIERARCH ESO OBS TARG NAME | HR8799 |
HIERARCH ESO INS SOBJ NAME | hr8799f |
RA | 346.872401 |
DEC | 21.13387 |
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 | 48.197 |
HIERARCH ESO ISS PBL12 END | 48.66 |
HIERARCH ESO ISS PBLA12 START | 37.8 |
HIERARCH ESO ISS PBLA12 END | 38.0 |
HIERARCH ESO ISS PBL13 START | 90.883 |
HIERARCH ESO ISS PBL13 END | 91.707 |
HIERARCH ESO ISS PBLA13 START | 43.4 |
HIERARCH ESO ISS PBLA13 END | 43.4 |
HIERARCH ESO ISS PBL14 START | 129.081 |
HIERARCH ESO ISS PBL14 END | 129.443 |
HIERARCH ESO ISS PBLA14 START | 64.26 |
HIERARCH ESO ISS PBLA14 END | 63.763 |
HIERARCH ESO ISS PBL23 START | 43.17 |
HIERARCH ESO ISS PBL23 END | 43.508 |
HIERARCH ESO ISS PBLA23 START | 49.7 |
HIERARCH ESO ISS PBLA23 END | 49.5 |
HIERARCH ESO ISS PBL24 START | 88.552 |
HIERARCH ESO ISS PBL24 END | 88.208 |
HIERARCH ESO ISS PBLA24 START | 78.275 |
HIERARCH ESO ISS PBLA24 END | 77.652 |
HIERARCH ESO ISS PBL34 START | 54.714 |
HIERARCH ESO ISS PBL34 END | 53.931 |
HIERARCH ESO ISS PBLA34 START | 100.48 |
HIERARCH ESO ISS PBLA34 END | 100.054 |
HIERARCH ESO ISS AMBI TAU0 START | 0.002649 |
HIERARCH ESO ISS AMBI TAU0 END | 0.002436 |
HIERARCH ESO ISS AMBI TEMP | 7.76 |
HIERARCH ESO ISS AMBI FWHM START | 1.28 |
HIERARCH ESO ISS AMBI FWHM END | 1.24 |
HIERARCH ESO FT ROBJ NAME | HR8799 |
HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
HIERARCH ESO FT ROBJ DELTA | 210803.302 |