Exposure
- ID
- GRAVI.2023-07-02T08:23:19.404_2
- Header ID
- GRAVI.2023-07-02T08:23:19.404
- Date updated
- 2023-07-02 08:36:02 UTC+0000
- Release date
- 2024-07-02 08:36:02 UTC+0000
- UTC Start
- 2023-07-02 08:23:19.404
- UTC End
- 2023-07-02 08:29:59.404
- MJD Start
- 60127.34953014
- MJD End
- 60127.3541597696
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042755
- Ambient temperature (°C)
- 13.86
- Seeing (arcsec)
- 0.755
Observation
- ID
- 56117
- Category
- science
- Program ID
- 1104.C-0651(G)
- Program Title
- AN INTERFEROMETRIC SURVEY OF THE DYNAMICS AND CHEMICAL COMPOSITION OF DIRECTLY IMAGED EXOPLANETS
- Program Type
- DDT
- PI / COI
- LACOUR/ NOWAK/ WANG/ MOLLI`ERE/ CHOQUET/ PUEYO/ GREENBAUM/ WARD-DUONG/ BONNEFOY/ RAMEAU/ CHARNAY/ BOCCALETTI/ PETRUS/ BERGER/ LE BOUQUIN/ MONNIER/ GARDNER/ BENISTY/ GIRARD/ PALADINI/ MULLER/ KEPPLER/ LAGRANGE/ MOUILLET/ PERRIN/ KERVELLA/ ...
Target
- ID
- 41566
- Name
- HR_8799
- RA
- 346.869645833333
- DEC
- 21.1342527777778
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 | 39.2390 | 39.8380 | 30.7000 | 31.5000 |
| U1-U3 | 73.1520 | 74.4530 | 39.4000 | 40.0000 |
| U1-U4 | 111.7180 | 113.4870 | 70.8210 | 70.4980 |
| U2-U3 | 34.8750 | 35.5400 | 49.2000 | 49.5000 |
| U2-U4 | 85.5200 | 86.2340 | 88.0110 | 87.3910 |
| U3-U4 | 62.2850 | 62.1310 | 108.5380 | 107.9460 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 1104.C-0651(G) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60127.34953014 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR 8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799c |
| RA | 346.871781 |
| DEC | 21.1342 |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 39.239 |
| HIERARCH ESO ISS PBL12 END | 39.838 |
| HIERARCH ESO ISS PBLA12 START | 30.7 |
| HIERARCH ESO ISS PBLA12 END | 31.5 |
| HIERARCH ESO ISS PBL13 START | 73.152 |
| HIERARCH ESO ISS PBL13 END | 74.453 |
| HIERARCH ESO ISS PBLA13 START | 39.4 |
| HIERARCH ESO ISS PBLA13 END | 40.0 |
| HIERARCH ESO ISS PBL14 START | 111.718 |
| HIERARCH ESO ISS PBL14 END | 113.487 |
| HIERARCH ESO ISS PBLA14 START | 70.821 |
| HIERARCH ESO ISS PBLA14 END | 70.498 |
| HIERARCH ESO ISS PBL23 START | 34.875 |
| HIERARCH ESO ISS PBL23 END | 35.54 |
| HIERARCH ESO ISS PBLA23 START | 49.2 |
| HIERARCH ESO ISS PBLA23 END | 49.5 |
| HIERARCH ESO ISS PBL24 START | 85.52 |
| HIERARCH ESO ISS PBL24 END | 86.234 |
| HIERARCH ESO ISS PBLA24 START | 88.011 |
| HIERARCH ESO ISS PBLA24 END | 87.391 |
| HIERARCH ESO ISS PBL34 START | 62.285 |
| HIERARCH ESO ISS PBL34 END | 62.131 |
| HIERARCH ESO ISS PBLA34 START | 108.538 |
| HIERARCH ESO ISS PBLA34 END | 107.946 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003715 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004836 |
| HIERARCH ESO ISS AMBI TEMP | 13.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | HR_8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |