Exposure
- ID
- GRAVI.2025-07-11T05:54:48.459_2
- Header ID
- GRAVI.2025-07-11T05:54:48.459
- Date updated
- 2025-07-11 06:10:36 UTC+0000
- Release date
- 2026-07-11 06:10:35 UTC+0000
- UTC Start
- 2025-07-11 05:54:48.459
- UTC End
- 2025-07-11 06:00:48.459
- MJD Start
- 60867.2463942
- MJD End
- 60867.25056086667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045655
- Ambient temperature (°C)
- 10.52
- Seeing (arcsec)
- 0.54
Observation
- ID
- 68655
- Category
- science
- Program ID
- 113.26E7.001
- Program Title
- RESOLVING THE MAS-SCALE RELATIVISTIC JET AND THE SEED PHOTON FIELDS OF BLAZARS IN NEAR INFRARED
- Program Type
- Normal
- PI / COI
- HOVATTA / LINDFORS / KORHONEN / KHARB / WITTKOWSKI / PURSIMO
Target
- ID
- 41577
- Name
- 2MASS_J18133461+0615
- RA
- 273.3942291666666
- DEC
- 6.264371944444444
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 | 55.8850 | 56.0150 | 35.5000 | 35.5000 |
| U1-U3 | 102.1340 | 102.2550 | 40.0000 | 39.9000 |
| U1-U4 | 125.5720 | 124.7300 | 60.1120 | 59.7190 |
| U2-U3 | 46.6330 | 46.6070 | 45.4000 | 45.2000 |
| U2-U4 | 78.3280 | 77.1600 | 77.4260 | 77.0610 |
| U3-U4 | 45.9940 | 44.9030 | 109.9330 | 110.2660 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26E7.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60867.2463942 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | TXS 1811+062 |
| HIERARCH ESO INS SOBJ NAME | TXS_1811+062 |
| RA | 273.391755 |
| DEC | 6.26367 |
| HIERARCH ESO INS SPEC RES | LOW |
| 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 | 375.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.885 |
| HIERARCH ESO ISS PBL12 END | 56.015 |
| HIERARCH ESO ISS PBLA12 START | 35.5 |
| HIERARCH ESO ISS PBLA12 END | 35.5 |
| HIERARCH ESO ISS PBL13 START | 102.134 |
| HIERARCH ESO ISS PBL13 END | 102.255 |
| HIERARCH ESO ISS PBLA13 START | 40.0 |
| HIERARCH ESO ISS PBLA13 END | 39.9 |
| HIERARCH ESO ISS PBL14 START | 125.572 |
| HIERARCH ESO ISS PBL14 END | 124.73 |
| HIERARCH ESO ISS PBLA14 START | 60.112 |
| HIERARCH ESO ISS PBLA14 END | 59.719 |
| HIERARCH ESO ISS PBL23 START | 46.633 |
| HIERARCH ESO ISS PBL23 END | 46.607 |
| HIERARCH ESO ISS PBLA23 START | 45.4 |
| HIERARCH ESO ISS PBLA23 END | 45.2 |
| HIERARCH ESO ISS PBL24 START | 78.328 |
| HIERARCH ESO ISS PBL24 END | 77.16 |
| HIERARCH ESO ISS PBLA24 START | 77.426 |
| HIERARCH ESO ISS PBLA24 END | 77.061 |
| HIERARCH ESO ISS PBL34 START | 45.994 |
| HIERARCH ESO ISS PBL34 END | 44.903 |
| HIERARCH ESO ISS PBLA34 START | 109.933 |
| HIERARCH ESO ISS PBLA34 END | 110.266 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004575 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004556 |
| HIERARCH ESO ISS AMBI TEMP | 10.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | 2MASS_J18133461+0615 |
| HIERARCH ESO FT ROBJ ALPHA | 181334.615 |
| HIERARCH ESO FT ROBJ DELTA | 061551.739 |