Exposure
- ID
- GRAVI.2018-08-27T05:52:58.766_2
- Header ID
- GRAVI.2018-08-27T05:52:58.766
- 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 05:52:58.766
- UTC End
- 2018-08-27 05:57:58.766
- MJD Start
- 58357.24512461
- MJD End
- 58357.2485968322
- Exposure time (s)
- 300.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005095
- Ambient temperature (°C)
- 13.9
- Seeing (arcsec)
- 0.835
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 | 45.2890 | 45.7170 | 36.5000 | 36.8000 |
| U1-U3 | 85.4970 | 86.3110 | 43.1000 | 43.2000 |
| U1-U4 | 125.5010 | 126.1570 | 66.9060 | 66.5600 |
| U2-U3 | 40.8340 | 41.1990 | 50.3000 | 50.3000 |
| U2-U4 | 89.4250 | 89.4230 | 81.7580 | 81.2830 |
| U3-U4 | 58.5740 | 58.1100 | 103.0580 | 102.6880 |
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 | 58357.24512461 |
| 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 | 45.289 |
| HIERARCH ESO ISS PBL12 END | 45.717 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.8 |
| HIERARCH ESO ISS PBL13 START | 85.497 |
| HIERARCH ESO ISS PBL13 END | 86.311 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 125.501 |
| HIERARCH ESO ISS PBL14 END | 126.157 |
| HIERARCH ESO ISS PBLA14 START | 66.906 |
| HIERARCH ESO ISS PBLA14 END | 66.56 |
| HIERARCH ESO ISS PBL23 START | 40.834 |
| HIERARCH ESO ISS PBL23 END | 41.199 |
| HIERARCH ESO ISS PBLA23 START | 50.3 |
| HIERARCH ESO ISS PBLA23 END | 50.3 |
| HIERARCH ESO ISS PBL24 START | 89.425 |
| HIERARCH ESO ISS PBL24 END | 89.423 |
| HIERARCH ESO ISS PBLA24 START | 81.758 |
| HIERARCH ESO ISS PBLA24 END | 81.283 |
| HIERARCH ESO ISS PBL34 START | 58.574 |
| HIERARCH ESO ISS PBL34 END | 58.11 |
| HIERARCH ESO ISS PBLA34 START | 103.058 |
| HIERARCH ESO ISS PBLA34 END | 102.688 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005108 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005082 |
| HIERARCH ESO ISS AMBI TEMP | 13.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.87 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.720 |
| HIERARCH ESO FT ROBJ DELTA | 210803.300 |