Exposure
- ID
- GRAVI.2022-02-22T06:32:56.158_2
- Header ID
- GRAVI.2022-02-22T06:32:56.158
- Date updated
- 2022-02-22 06:46:11 UTC+0000
- Release date
- 2022-02-22 06:32:56 UTC+0000
- UTC Start
- 2022-02-22 06:32:56.158
- UTC End
- 2022-02-22 06:36:56.158
- MJD Start
- 59632.2728722
- MJD End
- 59632.27564997778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058969999999999995
- Ambient temperature (°C)
- 11.87
- Seeing (arcsec)
- 0.69
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
- 178.50326249999998
- DEC
- 29.553956944444444
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 | 39.2840 | 39.7080 | 40.0000 | 40.2000 |
| U1-U3 | 75.6700 | 76.4890 | 47.3000 | 47.3000 |
| U1-U4 | 120.2230 | 120.9770 | 71.1220 | 70.7210 |
| U2-U3 | 37.0350 | 37.4090 | 55.0000 | 54.8000 |
| U2-U4 | 88.9420 | 89.0810 | 84.3210 | 83.8050 |
| U3-U4 | 59.5020 | 59.1920 | 102.0890 | 101.6270 |
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 | 59632.2728722 |
| 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 | 39.284 |
| HIERARCH ESO ISS PBL12 END | 39.708 |
| HIERARCH ESO ISS PBLA12 START | 40.0 |
| HIERARCH ESO ISS PBLA12 END | 40.2 |
| HIERARCH ESO ISS PBL13 START | 75.67 |
| HIERARCH ESO ISS PBL13 END | 76.489 |
| HIERARCH ESO ISS PBLA13 START | 47.3 |
| HIERARCH ESO ISS PBLA13 END | 47.3 |
| HIERARCH ESO ISS PBL14 START | 120.223 |
| HIERARCH ESO ISS PBL14 END | 120.977 |
| HIERARCH ESO ISS PBLA14 START | 71.122 |
| HIERARCH ESO ISS PBLA14 END | 70.721 |
| HIERARCH ESO ISS PBL23 START | 37.035 |
| HIERARCH ESO ISS PBL23 END | 37.409 |
| HIERARCH ESO ISS PBLA23 START | 55.0 |
| HIERARCH ESO ISS PBLA23 END | 54.8 |
| HIERARCH ESO ISS PBL24 START | 88.942 |
| HIERARCH ESO ISS PBL24 END | 89.081 |
| HIERARCH ESO ISS PBLA24 START | 84.321 |
| HIERARCH ESO ISS PBLA24 END | 83.805 |
| HIERARCH ESO ISS PBL34 START | 59.502 |
| HIERARCH ESO ISS PBL34 END | 59.192 |
| HIERARCH ESO ISS PBLA34 START | 102.089 |
| HIERARCH ESO ISS PBLA34 END | 101.627 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005743 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006051 |
| HIERARCH ESO ISS AMBI TEMP | 11.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | BD+30_2201 |
| HIERARCH ESO FT ROBJ ALPHA | 115400.783 |
| HIERARCH ESO FT ROBJ DELTA | 293314.245 |