Exposure
- ID
- GRAVI.2022-02-22T07:50:32.353_2
- Header ID
- GRAVI.2022-02-22T07:50:32.353
- Date updated
- 2022-02-22 08:01:32 UTC+0000
- Release date
- 2022-02-22 07:50:32 UTC+0000
- UTC Start
- 2022-02-22 07:50:32.353
- UTC End
- 2022-02-22 07:54:32.353
- MJD Start
- 59632.32676335
- MJD End
- 59632.32954112778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0083085
- Ambient temperature (°C)
- 11.04
- Seeing (arcsec)
- 0.645
Observation
- ID
- 49587
- Category
- calibrator
- Program ID
- 108.221C.001
- Program Title
- RESOLVING THE MAS-SCALE RELATIVISTIC JET AND THE ACCRETION DISK OF A BLAZAR IN NEAR INFRARED
- Program Type
- Normal
- PI / COI
- HOVATTA/ LINDFORS/ KORHONEN/ KHARB/ WITTKOWSKI/ PURSIMO
Target
- ID
- 37113
- Name
- HD_103846
- RA
- 179.39567916666664
- DEC
- 28.555163888888888
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 | 46.5370 | 46.8770 | 41.0000 | 40.9000 |
| U1-U3 | 88.8470 | 89.4360 | 45.9000 | 45.8000 |
| U1-U4 | 129.1780 | 129.4030 | 63.5190 | 63.0640 |
| U2-U3 | 42.6690 | 42.9040 | 51.3000 | 51.0000 |
| U2-U4 | 88.0240 | 87.7650 | 75.2150 | 74.6650 |
| U3-U4 | 51.9990 | 51.4300 | 94.6730 | 94.2180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.221C.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59632.32676335 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 103846 |
| HIERARCH ESO INS SOBJ NAME | Empty |
| RA | 179.397729 |
| DEC | 28.55541 |
| 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 | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 46.537 |
| HIERARCH ESO ISS PBL12 END | 46.877 |
| HIERARCH ESO ISS PBLA12 START | 41.0 |
| HIERARCH ESO ISS PBLA12 END | 40.9 |
| HIERARCH ESO ISS PBL13 START | 88.847 |
| HIERARCH ESO ISS PBL13 END | 89.436 |
| HIERARCH ESO ISS PBLA13 START | 45.9 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 129.178 |
| HIERARCH ESO ISS PBL14 END | 129.403 |
| HIERARCH ESO ISS PBLA14 START | 63.519 |
| HIERARCH ESO ISS PBLA14 END | 63.064 |
| HIERARCH ESO ISS PBL23 START | 42.669 |
| HIERARCH ESO ISS PBL23 END | 42.904 |
| HIERARCH ESO ISS PBLA23 START | 51.3 |
| HIERARCH ESO ISS PBLA23 END | 51.0 |
| HIERARCH ESO ISS PBL24 START | 88.024 |
| HIERARCH ESO ISS PBL24 END | 87.765 |
| HIERARCH ESO ISS PBLA24 START | 75.215 |
| HIERARCH ESO ISS PBLA24 END | 74.665 |
| HIERARCH ESO ISS PBL34 START | 51.999 |
| HIERARCH ESO ISS PBL34 END | 51.43 |
| HIERARCH ESO ISS PBLA34 START | 94.673 |
| HIERARCH ESO ISS PBLA34 END | 94.218 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008379 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008238 |
| HIERARCH ESO ISS AMBI TEMP | 11.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | HD_103846 |
| HIERARCH ESO FT ROBJ ALPHA | 115734.963 |
| HIERARCH ESO FT ROBJ DELTA | 283318.590 |