Exposure
- ID
- GRAVI.2021-07-25T06:00:18.278_2
- Header ID
- GRAVI.2021-07-25T06:00:18.278
- Date updated
- 2021-07-25 06:15:17 UTC+0000
- Release date
- 2022-07-25 06:15:16 UTC+0000
- UTC Start
- 2021-07-25 06:00:18.278
- UTC End
- 2021-07-25 06:06:18.278
- MJD Start
- 59420.25021155
- MJD End
- 59420.2543782167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004007
- Ambient temperature (°C)
- 10.0
- Seeing (arcsec)
- 0.67
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 | 51.2030 | 51.5660 | 34.3000 | 34.6000 |
| U1-U3 | 95.0430 | 95.7000 | 40.2000 | 40.4000 |
| U1-U4 | 129.5710 | 129.8460 | 63.8900 | 63.6390 |
| U2-U3 | 44.4340 | 44.7070 | 47.1000 | 47.1000 |
| U2-U4 | 88.7320 | 88.4020 | 80.4540 | 80.1060 |
| U3-U4 | 57.1100 | 56.4290 | 105.7830 | 105.6650 |
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 | 59420.25021155 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD196885_A |
| HIERARCH ESO INS SOBJ NAME | HD196885_B |
| RA | 309.968682 |
| DEC | 11.25021 |
| 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 | 51.203 |
| HIERARCH ESO ISS PBL12 END | 51.566 |
| HIERARCH ESO ISS PBLA12 START | 34.3 |
| HIERARCH ESO ISS PBLA12 END | 34.6 |
| HIERARCH ESO ISS PBL13 START | 95.043 |
| HIERARCH ESO ISS PBL13 END | 95.7 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 40.4 |
| HIERARCH ESO ISS PBL14 START | 129.571 |
| HIERARCH ESO ISS PBL14 END | 129.846 |
| HIERARCH ESO ISS PBLA14 START | 63.89 |
| HIERARCH ESO ISS PBLA14 END | 63.639 |
| HIERARCH ESO ISS PBL23 START | 44.434 |
| HIERARCH ESO ISS PBL23 END | 44.707 |
| HIERARCH ESO ISS PBLA23 START | 47.1 |
| HIERARCH ESO ISS PBLA23 END | 47.1 |
| HIERARCH ESO ISS PBL24 START | 88.732 |
| HIERARCH ESO ISS PBL24 END | 88.402 |
| HIERARCH ESO ISS PBLA24 START | 80.454 |
| HIERARCH ESO ISS PBLA24 END | 80.106 |
| HIERARCH ESO ISS PBL34 START | 57.11 |
| HIERARCH ESO ISS PBL34 END | 56.429 |
| HIERARCH ESO ISS PBLA34 START | 105.783 |
| HIERARCH ESO ISS PBLA34 END | 105.665 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004233 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003781 |
| HIERARCH ESO ISS AMBI TEMP | 10.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | HD196885_A |
| HIERARCH ESO FT ROBJ ALPHA | 203951.875 |
| HIERARCH ESO FT ROBJ DELTA | 111458.700 |