Exposure
- ID
- GRAVI.2022-08-16T07:47:30.893_2
- Header ID
- GRAVI.2022-08-16T07:47:30.893
- Date updated
- 2022-08-16 08:01:13 UTC+0000
- Release date
- 2023-08-16 08:01:13 UTC+0000
- UTC Start
- 2022-08-16 07:47:30.893
- UTC End
- 2022-08-16 07:49:30.893
- MJD Start
- 59807.32466311
- MJD End
- 59807.3260519989
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024455
- Ambient temperature (°C)
- 7.76
- Seeing (arcsec)
- 1.235
Observation
- ID
- 51921
- 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
- 30729
- Name
- GJ65A
- RA
- 24.7560416666667
- DEC
- -17.9505555555556
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 | 55.4600 | 55.5040 | 20.0000 | 20.4000 |
| U1-U3 | 100.0950 | 100.2050 | 26.4000 | 26.8000 |
| U1-U4 | 126.0300 | 126.3310 | 55.1940 | 55.4990 |
| U2-U3 | 45.4050 | 45.4720 | 34.3000 | 34.6000 |
| U2-U4 | 86.7740 | 87.0080 | 76.7870 | 77.0330 |
| U3-U4 | 61.5020 | 61.6180 | 106.7130 | 106.8900 |
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 | 59807.32466311 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | GJ65 |
| HIERARCH ESO INS SOBJ NAME | GJ65B |
| RA | 24.776012 |
| DEC | -17.94719 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 165.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 120 |
| HIERARCH ESO ISS PBL12 START | 55.46 |
| HIERARCH ESO ISS PBL12 END | 55.504 |
| HIERARCH ESO ISS PBLA12 START | 20.0 |
| HIERARCH ESO ISS PBLA12 END | 20.4 |
| HIERARCH ESO ISS PBL13 START | 100.095 |
| HIERARCH ESO ISS PBL13 END | 100.205 |
| HIERARCH ESO ISS PBLA13 START | 26.4 |
| HIERARCH ESO ISS PBLA13 END | 26.8 |
| HIERARCH ESO ISS PBL14 START | 126.03 |
| HIERARCH ESO ISS PBL14 END | 126.331 |
| HIERARCH ESO ISS PBLA14 START | 55.194 |
| HIERARCH ESO ISS PBLA14 END | 55.499 |
| HIERARCH ESO ISS PBL23 START | 45.405 |
| HIERARCH ESO ISS PBL23 END | 45.472 |
| HIERARCH ESO ISS PBLA23 START | 34.3 |
| HIERARCH ESO ISS PBLA23 END | 34.6 |
| HIERARCH ESO ISS PBL24 START | 86.774 |
| HIERARCH ESO ISS PBL24 END | 87.008 |
| HIERARCH ESO ISS PBLA24 START | 76.787 |
| HIERARCH ESO ISS PBLA24 END | 77.033 |
| HIERARCH ESO ISS PBL34 START | 61.502 |
| HIERARCH ESO ISS PBL34 END | 61.618 |
| HIERARCH ESO ISS PBLA34 START | 106.713 |
| HIERARCH ESO ISS PBLA34 END | 106.89 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002348 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002543 |
| HIERARCH ESO ISS AMBI TEMP | 7.76 |
| HIERARCH ESO ISS AMBI FWHM START | 1.27 |
| HIERARCH ESO ISS AMBI FWHM END | 1.2 |
| HIERARCH ESO FT ROBJ NAME | GJ65A |
| HIERARCH ESO FT ROBJ ALPHA | 013901.450 |
| HIERARCH ESO FT ROBJ DELTA | -175702.000 |