Exposure
- ID
- GRAVI.2022-05-20T01:56:49.614_2
- Header ID
- GRAVI.2022-05-20T01:56:49.614
- Date updated
- 2022-05-20 02:10:48 UTC+0000
- Release date
- 2023-05-20 02:10:48 UTC+0000
- UTC Start
- 2022-05-20 01:56:49.614
- UTC End
- 2022-05-20 01:58:49.614
- MJD Start
- 59719.08112979
- MJD End
- 59719.0825186789
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009846
- Ambient temperature (°C)
- 13.05
- Seeing (arcsec)
- 0.38
Observation
- ID
- 50941
- 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
- 37992
- Name
- NGC_4593
- RA
- 189.91435
- DEC
- -5.34417638888889
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 | 54.8400 | 54.9130 | 29.5000 | 29.7000 |
| U1-U3 | 100.0030 | 100.1420 | 35.8000 | 35.9000 |
| U1-U4 | 129.9270 | 130.0040 | 62.7260 | 62.8030 |
| U2-U3 | 45.8880 | 45.9490 | 43.3000 | 43.4000 |
| U2-U4 | 89.2730 | 89.2120 | 82.4040 | 82.4580 |
| U3-U4 | 60.9700 | 60.8280 | 110.7430 | 110.8530 |
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 | 59719.08112979 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | NGC 4593 |
| HIERARCH ESO INS SOBJ NAME | None |
| RA | 189.916464 |
| DEC | -5.34424 |
| 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 | 54.84 |
| HIERARCH ESO ISS PBL12 END | 54.913 |
| HIERARCH ESO ISS PBLA12 START | 29.5 |
| HIERARCH ESO ISS PBLA12 END | 29.7 |
| HIERARCH ESO ISS PBL13 START | 100.003 |
| HIERARCH ESO ISS PBL13 END | 100.142 |
| HIERARCH ESO ISS PBLA13 START | 35.8 |
| HIERARCH ESO ISS PBLA13 END | 35.9 |
| HIERARCH ESO ISS PBL14 START | 129.927 |
| HIERARCH ESO ISS PBL14 END | 130.004 |
| HIERARCH ESO ISS PBLA14 START | 62.726 |
| HIERARCH ESO ISS PBLA14 END | 62.803 |
| HIERARCH ESO ISS PBL23 START | 45.888 |
| HIERARCH ESO ISS PBL23 END | 45.949 |
| HIERARCH ESO ISS PBLA23 START | 43.3 |
| HIERARCH ESO ISS PBLA23 END | 43.4 |
| HIERARCH ESO ISS PBL24 START | 89.273 |
| HIERARCH ESO ISS PBL24 END | 89.212 |
| HIERARCH ESO ISS PBLA24 START | 82.404 |
| HIERARCH ESO ISS PBLA24 END | 82.458 |
| HIERARCH ESO ISS PBL34 START | 60.97 |
| HIERARCH ESO ISS PBL34 END | 60.828 |
| HIERARCH ESO ISS PBLA34 START | 110.743 |
| HIERARCH ESO ISS PBLA34 END | 110.853 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009846 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009846 |
| HIERARCH ESO ISS AMBI TEMP | 13.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | NGC_4593 |
| HIERARCH ESO FT ROBJ ALPHA | 123939.444 |
| HIERARCH ESO FT ROBJ DELTA | -052039.035 |