Exposure
- ID
- GRAVI.2018-08-27T06:56:28.927_2
- Header ID
- GRAVI.2018-08-27T06:56:28.927
- 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 06:56:28.927
- UTC End
- 2018-08-27 07:01:28.927
- MJD Start
- 58357.28922369
- MJD End
- 58357.2926959122
- Exposure time (s)
- 300.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005068
- Ambient temperature (°C)
- 13.6
- Seeing (arcsec)
- 0.78
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 | 50.0560 | 50.0690 | 38.2000 | 38.2000 |
| U1-U3 | 94.1230 | 94.1460 | 43.1000 | 43.1000 |
| U1-U4 | 130.1260 | 130.1300 | 62.1000 | 62.0820 |
| U2-U3 | 44.4640 | 44.4720 | 48.7000 | 48.7000 |
| U2-U4 | 86.7630 | 86.7460 | 75.6160 | 75.5950 |
| U3-U4 | 51.2250 | 51.1960 | 98.7390 | 98.7260 |
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 | 58357.28922369 |
| 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 | 50.056 |
| HIERARCH ESO ISS PBL12 END | 50.069 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.123 |
| HIERARCH ESO ISS PBL13 END | 94.146 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 130.126 |
| HIERARCH ESO ISS PBL14 END | 130.13 |
| HIERARCH ESO ISS PBLA14 START | 62.1 |
| HIERARCH ESO ISS PBLA14 END | 62.082 |
| HIERARCH ESO ISS PBL23 START | 44.464 |
| HIERARCH ESO ISS PBL23 END | 44.472 |
| HIERARCH ESO ISS PBLA23 START | 48.7 |
| HIERARCH ESO ISS PBLA23 END | 48.7 |
| HIERARCH ESO ISS PBL24 START | 86.763 |
| HIERARCH ESO ISS PBL24 END | 86.746 |
| HIERARCH ESO ISS PBLA24 START | 75.616 |
| HIERARCH ESO ISS PBLA24 END | 75.595 |
| HIERARCH ESO ISS PBL34 START | 51.225 |
| HIERARCH ESO ISS PBL34 END | 51.196 |
| HIERARCH ESO ISS PBLA34 START | 98.739 |
| HIERARCH ESO ISS PBLA34 END | 98.726 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005068 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005068 |
| HIERARCH ESO ISS AMBI TEMP | 13.6 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.720 |
| HIERARCH ESO FT ROBJ DELTA | 210803.300 |