Exposure
- ID
- GRAVI.2018-08-28T06:07:03.812_2
- Header ID
- GRAVI.2018-08-28T06:07:03.812
- Date updated
- 2019-01-21 12:09:42 UTC+0000
- Release date
- 2019-01-21 12:09:42 UTC+0000
- UTC Start
- 2018-08-28 06:07:03.812
- UTC End
- 2018-08-28 06:23:43.812
- MJD Start
- 58358.25490523
- MJD End
- 58358.2664793041
- Exposure time (s)
- 1000.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005625
- Ambient temperature (°C)
- 13.5
- Seeing (arcsec)
- 0.55
Observation
- ID
- 42474
- Category
- science
- Program ID
- 60.A-9102(G)
- Program Title
- GRAVITY COMMISSIONING
- Program Type
- Normal
- PI / COI
- GRAVITYTEAM, G
Target
- ID
- 32113
- Name
- HR8799
- RA
- 346.869666666667
- DEC
- 21.13425
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 | 46.7410 | 46.7570 | 37.3000 | 37.3000 |
| U1-U3 | 88.2300 | 88.2590 | 43.3000 | 43.3000 |
| U1-U4 | 127.5520 | 127.5720 | 65.6750 | 65.6610 |
| U2-U3 | 42.0430 | 42.0550 | 50.1000 | 50.1000 |
| U2-U4 | 89.2490 | 89.2440 | 80.1010 | 80.0820 |
| U3-U4 | 56.8640 | 56.8430 | 101.7930 | 101.7800 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9102(G) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 58358.25490523 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799e |
| RA | 346.872661 |
| DEC | 21.13403 |
| 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 | 1014.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 10 |
| HIERARCH ESO ISS PBL12 START | 46.741 |
| HIERARCH ESO ISS PBL12 END | 46.757 |
| HIERARCH ESO ISS PBLA12 START | 37.3 |
| HIERARCH ESO ISS PBLA12 END | 37.3 |
| HIERARCH ESO ISS PBL13 START | 88.23 |
| HIERARCH ESO ISS PBL13 END | 88.259 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 127.552 |
| HIERARCH ESO ISS PBL14 END | 127.572 |
| HIERARCH ESO ISS PBLA14 START | 65.675 |
| HIERARCH ESO ISS PBLA14 END | 65.661 |
| HIERARCH ESO ISS PBL23 START | 42.043 |
| HIERARCH ESO ISS PBL23 END | 42.055 |
| HIERARCH ESO ISS PBLA23 START | 50.1 |
| HIERARCH ESO ISS PBLA23 END | 50.1 |
| HIERARCH ESO ISS PBL24 START | 89.249 |
| HIERARCH ESO ISS PBL24 END | 89.244 |
| HIERARCH ESO ISS PBLA24 START | 80.101 |
| HIERARCH ESO ISS PBLA24 END | 80.082 |
| HIERARCH ESO ISS PBL34 START | 56.864 |
| HIERARCH ESO ISS PBL34 END | 56.843 |
| HIERARCH ESO ISS PBLA34 START | 101.793 |
| HIERARCH ESO ISS PBLA34 END | 101.78 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005625 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005625 |
| HIERARCH ESO ISS AMBI TEMP | 13.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.720 |
| HIERARCH ESO FT ROBJ DELTA | 210803.300 |