Exposure
- ID
- GRAVI.2018-08-28T04:54:24.628_2
- Header ID
- GRAVI.2018-08-28T04:54:24.628
- 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 04:54:24.628
- UTC End
- 2018-08-28 05:11:04.628
- MJD Start
- 58358.20445171
- MJD End
- 58358.2160257841
- Exposure time (s)
- 1000.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00622
- Ambient temperature (°C)
- 13.27
- Seeing (arcsec)
- 0.57
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 | 40.6430 | 40.6610 | 32.5000 | 32.5000 |
| U1-U3 | 76.1650 | 76.2010 | 40.7000 | 40.7000 |
| U1-U4 | 115.6840 | 115.7290 | 70.0380 | 70.0280 |
| U2-U3 | 36.3990 | 36.4170 | 49.8000 | 49.8000 |
| U2-U4 | 87.0640 | 87.0800 | 86.5730 | 86.5550 |
| U3-U4 | 61.8580 | 61.8520 | 107.1860 | 107.1700 |
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 | 58358.20445171 |
| 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 | 40.643 |
| HIERARCH ESO ISS PBL12 END | 40.661 |
| HIERARCH ESO ISS PBLA12 START | 32.5 |
| HIERARCH ESO ISS PBLA12 END | 32.5 |
| HIERARCH ESO ISS PBL13 START | 76.165 |
| HIERARCH ESO ISS PBL13 END | 76.201 |
| HIERARCH ESO ISS PBLA13 START | 40.7 |
| HIERARCH ESO ISS PBLA13 END | 40.7 |
| HIERARCH ESO ISS PBL14 START | 115.684 |
| HIERARCH ESO ISS PBL14 END | 115.729 |
| HIERARCH ESO ISS PBLA14 START | 70.038 |
| HIERARCH ESO ISS PBLA14 END | 70.028 |
| HIERARCH ESO ISS PBL23 START | 36.399 |
| HIERARCH ESO ISS PBL23 END | 36.417 |
| HIERARCH ESO ISS PBLA23 START | 49.8 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 87.064 |
| HIERARCH ESO ISS PBL24 END | 87.08 |
| HIERARCH ESO ISS PBLA24 START | 86.573 |
| HIERARCH ESO ISS PBLA24 END | 86.555 |
| HIERARCH ESO ISS PBL34 START | 61.858 |
| HIERARCH ESO ISS PBL34 END | 61.852 |
| HIERARCH ESO ISS PBLA34 START | 107.186 |
| HIERARCH ESO ISS PBLA34 END | 107.17 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00622 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00622 |
| HIERARCH ESO ISS AMBI TEMP | 13.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.720 |
| HIERARCH ESO FT ROBJ DELTA | 210803.300 |