Exposure
ID
GRAVI.2025-07-11T06:27:54.543_1
Header ID
GRAVI.2025-07-11T06:27:54.543
Date updated
2025-07-11 06:40:42 UTC+0000
Release date
2026-07-11 06:40:42 UTC+0000
UTC Start
2025-07-11 06:27:54.543
UTC End
2025-07-11 06:33:54.543
MJD Start
60867.26938129
MJD End
60867.27354795667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0049185
Ambient temperature (°C)
10.2
Seeing (arcsec)
0.55
Observation
ID
68658
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
51072
Name
TXS_1811+062
RA
273.391749
DEC
6.26367
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.4170 56.4730 35.3000 35.2000
U1-U3 102.4220 102.3800 39.3000 39.1000
U1-U4 120.3760 119.2100 57.7470 57.2210
U2-U3 46.3040 46.1900 44.1000 43.8000
U2-U4 71.5410 70.1120 75.2580 74.7780
U3-U4 39.9090 38.6920 112.1470 112.7080
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 60867.26938129
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TXS 1811+062
HIERARCH ESO INS SOBJ NAME TXS_1811+062
RA 273.391749
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 56.417
HIERARCH ESO ISS PBL12 END 56.473
HIERARCH ESO ISS PBLA12 START 35.3
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.422
HIERARCH ESO ISS PBL13 END 102.38
HIERARCH ESO ISS PBLA13 START 39.3
HIERARCH ESO ISS PBLA13 END 39.1
HIERARCH ESO ISS PBL14 START 120.376
HIERARCH ESO ISS PBL14 END 119.21
HIERARCH ESO ISS PBLA14 START 57.747
HIERARCH ESO ISS PBLA14 END 57.221
HIERARCH ESO ISS PBL23 START 46.304
HIERARCH ESO ISS PBL23 END 46.19
HIERARCH ESO ISS PBLA23 START 44.1
HIERARCH ESO ISS PBLA23 END 43.8
HIERARCH ESO ISS PBL24 START 71.541
HIERARCH ESO ISS PBL24 END 70.112
HIERARCH ESO ISS PBLA24 START 75.258
HIERARCH ESO ISS PBLA24 END 74.778
HIERARCH ESO ISS PBL34 START 39.909
HIERARCH ESO ISS PBL34 END 38.692
HIERARCH ESO ISS PBLA34 START 112.147
HIERARCH ESO ISS PBLA34 END 112.708
HIERARCH ESO ISS AMBI TAU0 START 0.005282
HIERARCH ESO ISS AMBI TAU0 END 0.004555
HIERARCH ESO ISS AMBI TEMP 10.2
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.57
HIERARCH ESO FT ROBJ NAME 2MASS_J18133461+0615
HIERARCH ESO FT ROBJ ALPHA 181334.615
HIERARCH ESO FT ROBJ DELTA 061551.739