Exposure
- ID
- GRAVI.2022-02-22T06:44:32.187_2
- Header ID
- GRAVI.2022-02-22T06:44:32.187
- Date updated
- 2022-02-22 06:56:02 UTC+0000
- Release date
- 2022-02-22 06:44:32 UTC+0000
- UTC Start
- 2022-02-22 06:44:32.187
- UTC End
- 2022-02-22 06:48:32.187
- MJD Start
- 59632.28092809
- MJD End
- 59632.2837058678
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0065685
- Ambient temperature (°C)
- 12.02
- Seeing (arcsec)
- 0.705
Observation
- ID
- 49589
- 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
- 37115
- Name
- BD+30_2201
- RA
- 178.5032625
- DEC
- 29.5539569444444
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 | 40.4300 | 40.8470 | 40.5000 | 40.7000 |
| U1-U3 | 77.8730 | 78.6630 | 47.3000 | 47.3000 |
| U1-U4 | 122.2020 | 122.8740 | 70.0240 | 69.6140 |
| U2-U3 | 38.0340 | 38.3880 | 54.6000 | 54.5000 |
| U2-U4 | 89.2650 | 89.3410 | 82.9160 | 82.3980 |
| U3-U4 | 58.6220 | 58.2700 | 100.8340 | 100.3740 |
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 | 59632.28092809 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | BD+30 2201 |
| HIERARCH ESO INS SOBJ NAME | Empty |
| RA | 178.505374 |
| DEC | 29.55353 |
| 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 | 40.43 |
| HIERARCH ESO ISS PBL12 END | 40.847 |
| HIERARCH ESO ISS PBLA12 START | 40.5 |
| HIERARCH ESO ISS PBLA12 END | 40.7 |
| HIERARCH ESO ISS PBL13 START | 77.873 |
| HIERARCH ESO ISS PBL13 END | 78.663 |
| HIERARCH ESO ISS PBLA13 START | 47.3 |
| HIERARCH ESO ISS PBLA13 END | 47.3 |
| HIERARCH ESO ISS PBL14 START | 122.202 |
| HIERARCH ESO ISS PBL14 END | 122.874 |
| HIERARCH ESO ISS PBLA14 START | 70.024 |
| HIERARCH ESO ISS PBLA14 END | 69.614 |
| HIERARCH ESO ISS PBL23 START | 38.034 |
| HIERARCH ESO ISS PBL23 END | 38.388 |
| HIERARCH ESO ISS PBLA23 START | 54.6 |
| HIERARCH ESO ISS PBLA23 END | 54.5 |
| HIERARCH ESO ISS PBL24 START | 89.265 |
| HIERARCH ESO ISS PBL24 END | 89.341 |
| HIERARCH ESO ISS PBLA24 START | 82.916 |
| HIERARCH ESO ISS PBLA24 END | 82.398 |
| HIERARCH ESO ISS PBL34 START | 58.622 |
| HIERARCH ESO ISS PBL34 END | 58.27 |
| HIERARCH ESO ISS PBLA34 START | 100.834 |
| HIERARCH ESO ISS PBLA34 END | 100.374 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006547 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00659 |
| HIERARCH ESO ISS AMBI TEMP | 12.02 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | BD+30_2201 |
| HIERARCH ESO FT ROBJ ALPHA | 115400.783 |
| HIERARCH ESO FT ROBJ DELTA | 293314.245 |