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