Exposure
- ID
- GRAVI.2021-08-24T04:30:02.181_2
- Header ID
- GRAVI.2021-08-24T04:30:02.181
- Date updated
- 2021-08-24 04:45:22 UTC+0000
- Release date
- 2022-08-24 04:45:22 UTC+0000
- UTC Start
- 2021-08-24 04:30:02.181
- UTC End
- 2021-08-24 04:36:02.181
- MJD Start
- 59450.18752524
- MJD End
- 59450.1916919067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025135
- Ambient temperature (°C)
- 8.41
- Seeing (arcsec)
- 0.94
Observation
- ID
- 47481
- Category
- science
- Program ID
- 5102.C-0122(D)
- Program Title
- EXTREME SOLAR SYSTEM. TAKING A CLOSER LOOK WITH THE VLTI/GRAVITY DUAL-FIELD CAPABILITY.
- Program Type
- Monitoring
- PI / COI
- CHAUVIN/ FORVEILLE/ BERGER/ BEUST/ BOUCHY/ CORREIA/ FARAMAZ/ HAGELBERG/ JENKINS/ KERVELLA/ LAGRANGE/ MELO/ MENDEZ/ MOUTOU/ REY/ SANTOS/ THEBAULT
Target
- ID
- 32770
- Name
- HD196885_A
- RA
- 309.966145833333
- DEC
- 11.2496388888889
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 | 52.7150 | 53.0310 | 35.3000 | 35.5000 |
| U1-U3 | 97.7060 | 98.2360 | 40.7000 | 40.8000 |
| U1-U4 | 130.2070 | 130.1470 | 62.6660 | 62.3410 |
| U2-U3 | 45.4980 | 45.6920 | 47.0000 | 46.9000 |
| U2-U4 | 86.8270 | 86.2260 | 78.8610 | 78.4700 |
| U3-U4 | 53.8440 | 52.9950 | 105.3560 | 105.2940 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 5102.C-0122(D) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59450.18752524 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD196885_A |
| HIERARCH ESO INS SOBJ NAME | HD196885_B |
| RA | 309.968863 |
| DEC | 11.25011 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 52.715 |
| HIERARCH ESO ISS PBL12 END | 53.031 |
| HIERARCH ESO ISS PBLA12 START | 35.3 |
| HIERARCH ESO ISS PBLA12 END | 35.5 |
| HIERARCH ESO ISS PBL13 START | 97.706 |
| HIERARCH ESO ISS PBL13 END | 98.236 |
| HIERARCH ESO ISS PBLA13 START | 40.7 |
| HIERARCH ESO ISS PBLA13 END | 40.8 |
| HIERARCH ESO ISS PBL14 START | 130.207 |
| HIERARCH ESO ISS PBL14 END | 130.147 |
| HIERARCH ESO ISS PBLA14 START | 62.666 |
| HIERARCH ESO ISS PBLA14 END | 62.341 |
| HIERARCH ESO ISS PBL23 START | 45.498 |
| HIERARCH ESO ISS PBL23 END | 45.692 |
| HIERARCH ESO ISS PBLA23 START | 47.0 |
| HIERARCH ESO ISS PBLA23 END | 46.9 |
| HIERARCH ESO ISS PBL24 START | 86.827 |
| HIERARCH ESO ISS PBL24 END | 86.226 |
| HIERARCH ESO ISS PBLA24 START | 78.861 |
| HIERARCH ESO ISS PBLA24 END | 78.47 |
| HIERARCH ESO ISS PBL34 START | 53.844 |
| HIERARCH ESO ISS PBL34 END | 52.995 |
| HIERARCH ESO ISS PBLA34 START | 105.356 |
| HIERARCH ESO ISS PBLA34 END | 105.294 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002369 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002658 |
| HIERARCH ESO ISS AMBI TEMP | 8.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.97 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | HD196885_A |
| HIERARCH ESO FT ROBJ ALPHA | 203951.875 |
| HIERARCH ESO FT ROBJ DELTA | 111458.700 |