Exposure
- ID
- GRAVI.2018-08-27T06:31:13.863_2
- Header ID
- GRAVI.2018-08-27T06:31:13.863
- Date updated
- 2019-01-31 08:01:13 UTC+0000
- Release date
- 2019-01-31 08:01:13 UTC+0000
- UTC Start
- 2018-08-27 06:31:13.863
- UTC End
- 2018-08-27 06:36:13.863
- MJD Start
- 58357.27168823
- MJD End
- 58357.2751604522
- Exposure time (s)
- 300.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056335
- Ambient temperature (°C)
- 13.71
- Seeing (arcsec)
- 0.69
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 | 48.2830 | 48.6650 | 37.9000 | 38.0000 |
| U1-U3 | 91.0350 | 91.7140 | 43.4000 | 43.4000 |
| U1-U4 | 129.1500 | 129.4440 | 64.1750 | 63.7640 |
| U2-U3 | 43.2320 | 43.5100 | 49.6000 | 49.5000 |
| U2-U4 | 88.4970 | 88.2090 | 78.1740 | 77.6590 |
| U3-U4 | 54.5870 | 53.9370 | 100.4180 | 100.0680 |
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 | 58357.27168823 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799e |
| RA | 346.87252 |
| DEC | 21.13405 |
| 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 | 316.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 10 |
| HIERARCH ESO ISS PBL12 START | 48.283 |
| HIERARCH ESO ISS PBL12 END | 48.665 |
| HIERARCH ESO ISS PBLA12 START | 37.9 |
| HIERARCH ESO ISS PBLA12 END | 38.0 |
| HIERARCH ESO ISS PBL13 START | 91.035 |
| HIERARCH ESO ISS PBL13 END | 91.714 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 129.15 |
| HIERARCH ESO ISS PBL14 END | 129.444 |
| HIERARCH ESO ISS PBLA14 START | 64.175 |
| HIERARCH ESO ISS PBLA14 END | 63.764 |
| HIERARCH ESO ISS PBL23 START | 43.232 |
| HIERARCH ESO ISS PBL23 END | 43.51 |
| HIERARCH ESO ISS PBLA23 START | 49.6 |
| HIERARCH ESO ISS PBLA23 END | 49.5 |
| HIERARCH ESO ISS PBL24 START | 88.497 |
| HIERARCH ESO ISS PBL24 END | 88.209 |
| HIERARCH ESO ISS PBLA24 START | 78.174 |
| HIERARCH ESO ISS PBLA24 END | 77.659 |
| HIERARCH ESO ISS PBL34 START | 54.587 |
| HIERARCH ESO ISS PBL34 END | 53.937 |
| HIERARCH ESO ISS PBLA34 START | 100.418 |
| HIERARCH ESO ISS PBLA34 END | 100.068 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005782 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005485 |
| HIERARCH ESO ISS AMBI TEMP | 13.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.720 |
| HIERARCH ESO FT ROBJ DELTA | 210803.300 |