Exposure
- ID
- GRAVI.2022-05-20T00:39:43.419_2
- Header ID
- GRAVI.2022-05-20T00:39:43.419
- Date updated
- 2022-05-20 00:45:45 UTC+0000
- Release date
- 2023-05-20 00:45:45 UTC+0000
- UTC Start
- 2022-05-20 00:39:43.419
- UTC End
- 2022-05-20 00:41:43.419
- MJD Start
- 59719.02758587
- MJD End
- 59719.0289747589
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0085045
- Ambient temperature (°C)
- 12.96
- Seeing (arcsec)
- 0.635
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 | 50.3070 | 50.4670 | 37.7000 | 37.7000 |
U1-U3 | 94.4040 | 94.6770 | 42.8000 | 42.7000 |
U1-U4 | 130.1100 | 130.1500 | 62.4090 | 62.2090 |
U2-U3 | 44.5190 | 44.6240 | 48.5000 | 48.4000 |
U2-U4 | 86.9900 | 86.7810 | 76.4020 | 76.1590 |
U3-U4 | 51.9810 | 51.6310 | 100.0010 | 99.8590 |
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 | 59719.02758587 |
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 | 50.307 |
HIERARCH ESO ISS PBL12 END | 50.467 |
HIERARCH ESO ISS PBLA12 START | 37.7 |
HIERARCH ESO ISS PBLA12 END | 37.7 |
HIERARCH ESO ISS PBL13 START | 94.404 |
HIERARCH ESO ISS PBL13 END | 94.677 |
HIERARCH ESO ISS PBLA13 START | 42.8 |
HIERARCH ESO ISS PBLA13 END | 42.7 |
HIERARCH ESO ISS PBL14 START | 130.11 |
HIERARCH ESO ISS PBL14 END | 130.15 |
HIERARCH ESO ISS PBLA14 START | 62.409 |
HIERARCH ESO ISS PBLA14 END | 62.209 |
HIERARCH ESO ISS PBL23 START | 44.519 |
HIERARCH ESO ISS PBL23 END | 44.624 |
HIERARCH ESO ISS PBLA23 START | 48.5 |
HIERARCH ESO ISS PBLA23 END | 48.4 |
HIERARCH ESO ISS PBL24 START | 86.99 |
HIERARCH ESO ISS PBL24 END | 86.781 |
HIERARCH ESO ISS PBLA24 START | 76.402 |
HIERARCH ESO ISS PBLA24 END | 76.159 |
HIERARCH ESO ISS PBL34 START | 51.981 |
HIERARCH ESO ISS PBL34 END | 51.631 |
HIERARCH ESO ISS PBLA34 START | 100.001 |
HIERARCH ESO ISS PBLA34 END | 99.859 |
HIERARCH ESO ISS AMBI TAU0 START | 0.008261 |
HIERARCH ESO ISS AMBI TAU0 END | 0.008748 |
HIERARCH ESO ISS AMBI TEMP | 12.96 |
HIERARCH ESO ISS AMBI FWHM START | 0.64 |
HIERARCH ESO ISS AMBI FWHM END | 0.63 |
HIERARCH ESO FT ROBJ NAME | NGC_3227 |
HIERARCH ESO FT ROBJ ALPHA | 102330.577 |
HIERARCH ESO FT ROBJ DELTA | 195154.282 |