Exposure
- ID
- GRAVI.2018-08-28T04:33:48.576_2
- Header ID
- GRAVI.2018-08-28T04:33:48.576
- 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 04:33:48.576
- UTC End
- 2018-08-28 04:50:28.576
- MJD Start
- 58358.19014555
- MJD End
- 58358.2017196241
- Exposure time (s)
- 1000.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00488
- Ambient temperature (°C)
- 13.26
- Seeing (arcsec)
- 0.79
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 | 38.8860 | 38.9020 | 30.2000 | 30.2000 |
| U1-U3 | 72.3670 | 72.4040 | 39.0000 | 39.0000 |
| U1-U4 | 110.5930 | 110.6460 | 70.9960 | 70.9870 |
| U2-U3 | 34.4650 | 34.4850 | 49.0000 | 49.0000 |
| U2-U4 | 85.0450 | 85.0670 | 88.3840 | 88.3660 |
| U3-U4 | 62.3580 | 62.3550 | 108.9060 | 108.8890 |
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 | 58358.19014555 |
| 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 | 38.886 |
| HIERARCH ESO ISS PBL12 END | 38.902 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 30.2 |
| HIERARCH ESO ISS PBL13 START | 72.367 |
| HIERARCH ESO ISS PBL13 END | 72.404 |
| HIERARCH ESO ISS PBLA13 START | 39.0 |
| HIERARCH ESO ISS PBLA13 END | 39.0 |
| HIERARCH ESO ISS PBL14 START | 110.593 |
| HIERARCH ESO ISS PBL14 END | 110.646 |
| HIERARCH ESO ISS PBLA14 START | 70.996 |
| HIERARCH ESO ISS PBLA14 END | 70.987 |
| HIERARCH ESO ISS PBL23 START | 34.465 |
| HIERARCH ESO ISS PBL23 END | 34.485 |
| HIERARCH ESO ISS PBLA23 START | 49.0 |
| HIERARCH ESO ISS PBLA23 END | 49.0 |
| HIERARCH ESO ISS PBL24 START | 85.045 |
| HIERARCH ESO ISS PBL24 END | 85.067 |
| HIERARCH ESO ISS PBLA24 START | 88.384 |
| HIERARCH ESO ISS PBLA24 END | 88.366 |
| HIERARCH ESO ISS PBL34 START | 62.358 |
| HIERARCH ESO ISS PBL34 END | 62.355 |
| HIERARCH ESO ISS PBLA34 START | 108.906 |
| HIERARCH ESO ISS PBLA34 END | 108.889 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00488 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00488 |
| HIERARCH ESO ISS AMBI TEMP | 13.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.720 |
| HIERARCH ESO FT ROBJ DELTA | 210803.300 |