Exposure
- ID
- GRAVI.2018-08-27T07:09:13.960_2
- Header ID
- GRAVI.2018-08-27T07:09:13.960
- 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 07:09:13.960
- UTC End
- 2018-08-27 07:14:13.960
- MJD Start
- 58357.29807824
- MJD End
- 58357.3015504622
- Exposure time (s)
- 300.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004982
- Ambient temperature (°C)
- 13.46
- Seeing (arcsec)
- 0.77
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 | 50.8760 | 50.8880 | 38.2000 | 38.2000 |
| U1-U3 | 95.4960 | 95.5160 | 42.9000 | 42.9000 |
| U1-U4 | 130.2030 | 130.2020 | 60.9630 | 60.9450 |
| U2-U3 | 44.9770 | 44.9840 | 48.1000 | 48.1000 |
| U2-U4 | 85.5680 | 85.5470 | 74.2470 | 74.2250 |
| U3-U4 | 49.3220 | 49.2910 | 97.9010 | 97.8880 |
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 | 58357.29807824 |
| 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 | 50.876 |
| HIERARCH ESO ISS PBL12 END | 50.888 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 95.496 |
| HIERARCH ESO ISS PBL13 END | 95.516 |
| HIERARCH ESO ISS PBLA13 START | 42.9 |
| HIERARCH ESO ISS PBLA13 END | 42.9 |
| HIERARCH ESO ISS PBL14 START | 130.203 |
| HIERARCH ESO ISS PBL14 END | 130.202 |
| HIERARCH ESO ISS PBLA14 START | 60.963 |
| HIERARCH ESO ISS PBLA14 END | 60.945 |
| HIERARCH ESO ISS PBL23 START | 44.977 |
| HIERARCH ESO ISS PBL23 END | 44.984 |
| HIERARCH ESO ISS PBLA23 START | 48.1 |
| HIERARCH ESO ISS PBLA23 END | 48.1 |
| HIERARCH ESO ISS PBL24 START | 85.568 |
| HIERARCH ESO ISS PBL24 END | 85.547 |
| HIERARCH ESO ISS PBLA24 START | 74.247 |
| HIERARCH ESO ISS PBLA24 END | 74.225 |
| HIERARCH ESO ISS PBL34 START | 49.322 |
| HIERARCH ESO ISS PBL34 END | 49.291 |
| HIERARCH ESO ISS PBLA34 START | 97.901 |
| HIERARCH ESO ISS PBLA34 END | 97.888 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004982 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004982 |
| HIERARCH ESO ISS AMBI TEMP | 13.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.720 |
| HIERARCH ESO FT ROBJ DELTA | 210803.300 |