Exposure
ID
GRAVI.2025-07-11T05:48:12.442_1
Header ID
GRAVI.2025-07-11T05:48:12.442
Date updated
2025-07-11 06:00:44 UTC+0000
Release date
2026-07-11 06:00:44 UTC+0000
UTC Start
2025-07-11 05:48:12.442
UTC End
2025-07-11 05:54:12.442
MJD Start
60867.24181067
MJD End
60867.245977336665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004613
Ambient temperature (°C)
10.43
Seeing (arcsec)
0.51
Observation
ID
68654
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
51069
Name
TXS_1811+062
RA
273.391757
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 55.7330 55.8770 35.4000 35.5000
U1-U3 101.9730 102.1270 40.1000 40.0000
U1-U4 126.3870 125.6150 60.5030 60.1330
U2-U3 46.6410 46.6340 45.6000 45.4000
U2-U4 79.5010 78.3890 77.7920 77.4450
U3-U4 47.1130 46.0520 109.6180 109.9170
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 60867.24181067
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TXS 1811+062
HIERARCH ESO INS SOBJ NAME TXS_1811+062
RA 273.391757
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 55.733
HIERARCH ESO ISS PBL12 END 55.877
HIERARCH ESO ISS PBLA12 START 35.4
HIERARCH ESO ISS PBLA12 END 35.5
HIERARCH ESO ISS PBL13 START 101.973
HIERARCH ESO ISS PBL13 END 102.127
HIERARCH ESO ISS PBLA13 START 40.1
HIERARCH ESO ISS PBLA13 END 40.0
HIERARCH ESO ISS PBL14 START 126.387
HIERARCH ESO ISS PBL14 END 125.615
HIERARCH ESO ISS PBLA14 START 60.503
HIERARCH ESO ISS PBLA14 END 60.133
HIERARCH ESO ISS PBL23 START 46.641
HIERARCH ESO ISS PBL23 END 46.634
HIERARCH ESO ISS PBLA23 START 45.6
HIERARCH ESO ISS PBLA23 END 45.4
HIERARCH ESO ISS PBL24 START 79.501
HIERARCH ESO ISS PBL24 END 78.389
HIERARCH ESO ISS PBLA24 START 77.792
HIERARCH ESO ISS PBLA24 END 77.445
HIERARCH ESO ISS PBL34 START 47.113
HIERARCH ESO ISS PBL34 END 46.052
HIERARCH ESO ISS PBLA34 START 109.618
HIERARCH ESO ISS PBLA34 END 109.917
HIERARCH ESO ISS AMBI TAU0 START 0.004651
HIERARCH ESO ISS AMBI TAU0 END 0.004575
HIERARCH ESO ISS AMBI TEMP 10.43
HIERARCH ESO ISS AMBI FWHM START 0.48
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