Exposure
- ID
- GRAVI.2022-08-16T06:44:37.173_2
- Header ID
- GRAVI.2022-08-16T06:44:37.173
- Date updated
- 2022-08-16 07:00:39 UTC+0000
- Release date
- 2023-08-16 07:00:39 UTC+0000
- UTC Start
- 2022-08-16 06:44:37.173
- UTC End
- 2022-08-16 06:50:37.173
- MJD Start
- 59807.2809858
- MJD End
- 59807.2851524667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002638
- Ambient temperature (°C)
- 7.81
- Seeing (arcsec)
- 1.29
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 | 45.9590 | 46.4630 | 36.9000 | 37.2000 |
U1-U3 | 86.7720 | 87.7170 | 43.2000 | 43.3000 |
U1-U4 | 126.5190 | 127.2070 | 66.3550 | 65.9210 |
U2-U3 | 41.4050 | 41.8200 | 50.3000 | 50.2000 |
U2-U4 | 89.4020 | 89.3180 | 80.9990 | 80.4180 |
U3-U4 | 57.8200 | 57.2080 | 102.4620 | 102.0220 |
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 | 59807.2809858 |
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 | 45.959 |
HIERARCH ESO ISS PBL12 END | 46.463 |
HIERARCH ESO ISS PBLA12 START | 36.9 |
HIERARCH ESO ISS PBLA12 END | 37.2 |
HIERARCH ESO ISS PBL13 START | 86.772 |
HIERARCH ESO ISS PBL13 END | 87.717 |
HIERARCH ESO ISS PBLA13 START | 43.2 |
HIERARCH ESO ISS PBLA13 END | 43.3 |
HIERARCH ESO ISS PBL14 START | 126.519 |
HIERARCH ESO ISS PBL14 END | 127.207 |
HIERARCH ESO ISS PBLA14 START | 66.355 |
HIERARCH ESO ISS PBLA14 END | 65.921 |
HIERARCH ESO ISS PBL23 START | 41.405 |
HIERARCH ESO ISS PBL23 END | 41.82 |
HIERARCH ESO ISS PBLA23 START | 50.3 |
HIERARCH ESO ISS PBLA23 END | 50.2 |
HIERARCH ESO ISS PBL24 START | 89.402 |
HIERARCH ESO ISS PBL24 END | 89.318 |
HIERARCH ESO ISS PBLA24 START | 80.999 |
HIERARCH ESO ISS PBLA24 END | 80.418 |
HIERARCH ESO ISS PBL34 START | 57.82 |
HIERARCH ESO ISS PBL34 END | 57.208 |
HIERARCH ESO ISS PBLA34 START | 102.462 |
HIERARCH ESO ISS PBLA34 END | 102.022 |
HIERARCH ESO ISS AMBI TAU0 START | 0.002699 |
HIERARCH ESO ISS AMBI TAU0 END | 0.002577 |
HIERARCH ESO ISS AMBI TEMP | 7.81 |
HIERARCH ESO ISS AMBI FWHM START | 1.24 |
HIERARCH ESO ISS AMBI FWHM END | 1.34 |
HIERARCH ESO FT ROBJ NAME | HR8799 |
HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
HIERARCH ESO FT ROBJ DELTA | 210803.302 |