Exposure
- ID
- GRAVI.2018-08-27T06:16:07.825_2
- Header ID
- GRAVI.2018-08-27T06:16:07.825
- 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 06:16:07.825
- UTC End
- 2018-08-27 06:21:07.825
- MJD Start
- 58357.26120168
- MJD End
- 58357.2646739022
- Exposure time (s)
- 300.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061145
- Ambient temperature (°C)
- 14.03
- Seeing (arcsec)
- 0.75
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 | 47.1410 | 47.5430 | 37.4000 | 37.6000 |
| U1-U3 | 88.9670 | 89.7020 | 43.4000 | 43.4000 |
| U1-U4 | 128.0270 | 128.4620 | 65.3090 | 64.9240 |
| U2-U3 | 42.3610 | 42.6740 | 50.0000 | 49.9000 |
| U2-U4 | 89.1130 | 88.9360 | 79.6220 | 79.1260 |
| U3-U4 | 56.3230 | 55.7450 | 101.4420 | 101.0850 |
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 | 58357.26120168 |
| 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 | 47.141 |
| HIERARCH ESO ISS PBL12 END | 47.543 |
| HIERARCH ESO ISS PBLA12 START | 37.4 |
| HIERARCH ESO ISS PBLA12 END | 37.6 |
| HIERARCH ESO ISS PBL13 START | 88.967 |
| HIERARCH ESO ISS PBL13 END | 89.702 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 128.027 |
| HIERARCH ESO ISS PBL14 END | 128.462 |
| HIERARCH ESO ISS PBLA14 START | 65.309 |
| HIERARCH ESO ISS PBLA14 END | 64.924 |
| HIERARCH ESO ISS PBL23 START | 42.361 |
| HIERARCH ESO ISS PBL23 END | 42.674 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 89.113 |
| HIERARCH ESO ISS PBL24 END | 88.936 |
| HIERARCH ESO ISS PBLA24 START | 79.622 |
| HIERARCH ESO ISS PBLA24 END | 79.126 |
| HIERARCH ESO ISS PBL34 START | 56.323 |
| HIERARCH ESO ISS PBL34 END | 55.745 |
| HIERARCH ESO ISS PBLA34 START | 101.442 |
| HIERARCH ESO ISS PBLA34 END | 101.085 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005435 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006794 |
| HIERARCH ESO ISS AMBI TEMP | 14.03 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.720 |
| HIERARCH ESO FT ROBJ DELTA | 210803.300 |