Exposure
- ID
- GRAVI.2021-08-24T04:16:38.147_2
- Header ID
- GRAVI.2021-08-24T04:16:38.147
- Date updated
- 2021-08-24 04:30:32 UTC+0000
- Release date
- 2022-08-24 04:30:31 UTC+0000
- UTC Start
- 2021-08-24 04:16:38.147
- UTC End
- 2021-08-24 04:22:38.147
- MJD Start
- 59450.17821929
- MJD End
- 59450.1823859567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002964
- Ambient temperature (°C)
- 8.46
- Seeing (arcsec)
- 0.75
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 | 52.0080 | 52.3480 | 34.9000 | 35.1000 |
| U1-U3 | 96.4860 | 97.0790 | 40.5000 | 40.6000 |
| U1-U4 | 130.0830 | 130.1840 | 63.2970 | 63.0080 |
| U2-U3 | 45.0260 | 45.2590 | 47.1000 | 47.1000 |
| U2-U4 | 87.8970 | 87.4260 | 79.6530 | 79.2840 |
| U3-U4 | 55.5150 | 54.7460 | 105.5320 | 105.4420 |
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 | 59450.17821929 |
| 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 | 52.008 |
| HIERARCH ESO ISS PBL12 END | 52.348 |
| HIERARCH ESO ISS PBLA12 START | 34.9 |
| HIERARCH ESO ISS PBLA12 END | 35.1 |
| HIERARCH ESO ISS PBL13 START | 96.486 |
| HIERARCH ESO ISS PBL13 END | 97.079 |
| HIERARCH ESO ISS PBLA13 START | 40.5 |
| HIERARCH ESO ISS PBLA13 END | 40.6 |
| HIERARCH ESO ISS PBL14 START | 130.083 |
| HIERARCH ESO ISS PBL14 END | 130.184 |
| HIERARCH ESO ISS PBLA14 START | 63.297 |
| HIERARCH ESO ISS PBLA14 END | 63.008 |
| HIERARCH ESO ISS PBL23 START | 45.026 |
| HIERARCH ESO ISS PBL23 END | 45.259 |
| HIERARCH ESO ISS PBLA23 START | 47.1 |
| HIERARCH ESO ISS PBLA23 END | 47.1 |
| HIERARCH ESO ISS PBL24 START | 87.897 |
| HIERARCH ESO ISS PBL24 END | 87.426 |
| HIERARCH ESO ISS PBLA24 START | 79.653 |
| HIERARCH ESO ISS PBLA24 END | 79.284 |
| HIERARCH ESO ISS PBL34 START | 55.515 |
| HIERARCH ESO ISS PBL34 END | 54.746 |
| HIERARCH ESO ISS PBLA34 START | 105.532 |
| HIERARCH ESO ISS PBLA34 END | 105.442 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003233 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002695 |
| HIERARCH ESO ISS AMBI TEMP | 8.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | HD196885_A |
| HIERARCH ESO FT ROBJ ALPHA | 203951.875 |
| HIERARCH ESO FT ROBJ DELTA | 111458.700 |