Exposure
- ID
- GRAVI.2022-05-20T00:24:55.383_2
- Header ID
- GRAVI.2022-05-20T00:24:55.383
- Date updated
- 2022-05-20 00:35:46 UTC+0000
- Release date
- 2023-05-20 00:35:46 UTC+0000
- UTC Start
- 2022-05-20 00:24:55.383
- UTC End
- 2022-05-20 00:26:55.383
- MJD Start
- 59719.01730767
- MJD End
- 59719.0186965589
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0094075
- Ambient temperature (°C)
- 12.96
- Seeing (arcsec)
- 0.62
Observation
- ID
- 50935
- Category
- science
- Program ID
- 109.23BY.001
- 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
- 37986
- Name
- NGC_3227
- RA
- 155.877404166667
- DEC
- 19.8650783333333
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 | 49.3120 | 49.4820 | 37.5000 | 37.5000 |
U1-U3 | 92.6760 | 92.9760 | 42.9000 | 42.9000 |
U1-U4 | 129.6410 | 129.7460 | 63.5570 | 63.3700 |
U2-U3 | 43.8350 | 43.9560 | 49.0000 | 48.9000 |
U2-U4 | 88.0680 | 87.9090 | 77.8160 | 77.5840 |
U3-U4 | 53.9630 | 53.6450 | 100.8590 | 100.7140 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 109.23BY.001 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,DUAL |
MJD-OBS | 59719.01730767 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
HIERARCH ESO OBS TARG NAME | NGC 3227 |
HIERARCH ESO INS SOBJ NAME | None |
RA | 155.879732 |
DEC | 19.86522 |
HIERARCH ESO INS SPEC RES | LOW |
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 | 150.0 |
HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
HIERARCH ESO DET2 NDIT | 120 |
HIERARCH ESO ISS PBL12 START | 49.312 |
HIERARCH ESO ISS PBL12 END | 49.482 |
HIERARCH ESO ISS PBLA12 START | 37.5 |
HIERARCH ESO ISS PBLA12 END | 37.5 |
HIERARCH ESO ISS PBL13 START | 92.676 |
HIERARCH ESO ISS PBL13 END | 92.976 |
HIERARCH ESO ISS PBLA13 START | 42.9 |
HIERARCH ESO ISS PBLA13 END | 42.9 |
HIERARCH ESO ISS PBL14 START | 129.641 |
HIERARCH ESO ISS PBL14 END | 129.746 |
HIERARCH ESO ISS PBLA14 START | 63.557 |
HIERARCH ESO ISS PBLA14 END | 63.37 |
HIERARCH ESO ISS PBL23 START | 43.835 |
HIERARCH ESO ISS PBL23 END | 43.956 |
HIERARCH ESO ISS PBLA23 START | 49.0 |
HIERARCH ESO ISS PBLA23 END | 48.9 |
HIERARCH ESO ISS PBL24 START | 88.068 |
HIERARCH ESO ISS PBL24 END | 87.909 |
HIERARCH ESO ISS PBLA24 START | 77.816 |
HIERARCH ESO ISS PBLA24 END | 77.584 |
HIERARCH ESO ISS PBL34 START | 53.963 |
HIERARCH ESO ISS PBL34 END | 53.645 |
HIERARCH ESO ISS PBLA34 START | 100.859 |
HIERARCH ESO ISS PBLA34 END | 100.714 |
HIERARCH ESO ISS AMBI TAU0 START | 0.009236 |
HIERARCH ESO ISS AMBI TAU0 END | 0.009579 |
HIERARCH ESO ISS AMBI TEMP | 12.96 |
HIERARCH ESO ISS AMBI FWHM START | 0.64 |
HIERARCH ESO ISS AMBI FWHM END | 0.6 |
HIERARCH ESO FT ROBJ NAME | NGC_3227 |
HIERARCH ESO FT ROBJ ALPHA | 102330.577 |
HIERARCH ESO FT ROBJ DELTA | 195154.282 |