Exposure
ID
GRAVI.2022-02-22T05:22:43.981_1
Header ID
GRAVI.2022-02-22T05:22:43.981
Date updated
2022-02-22 05:31:16 UTC+0000
Release date
2022-02-22 05:22:43 UTC+0000
UTC Start
2022-02-22 05:22:43.981
UTC End
2022-02-22 05:26:43.981
MJD Start
59632.22412015
MJD End
59632.22689792778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0042315
Ambient temperature (°C)
12.86
Seeing (arcsec)
0.9650000000000001
Observation
ID
49586
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
37112
Name
Empty
RA
179.397572
DEC
28.55534
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 32.5390 32.9470 32.3000 32.9000
U1-U3 61.3290 62.2420 42.8000 43.2000
U1-U4 102.7880 104.0520 76.9520 76.6080
U2-U3 29.9150 30.3880 54.1000 54.3000
U2-U4 82.8480 83.3890 92.9720 92.4460
U3-U4 62.4360 62.3960 110.4610 109.9660
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 59632.22412015
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 103846
HIERARCH ESO INS SOBJ NAME Empty
RA 179.397572
DEC 28.55534
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 32.539
HIERARCH ESO ISS PBL12 END 32.947
HIERARCH ESO ISS PBLA12 START 32.3
HIERARCH ESO ISS PBLA12 END 32.9
HIERARCH ESO ISS PBL13 START 61.329
HIERARCH ESO ISS PBL13 END 62.242
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 102.788
HIERARCH ESO ISS PBL14 END 104.052
HIERARCH ESO ISS PBLA14 START 76.952
HIERARCH ESO ISS PBLA14 END 76.608
HIERARCH ESO ISS PBL23 START 29.915
HIERARCH ESO ISS PBL23 END 30.388
HIERARCH ESO ISS PBLA23 START 54.1
HIERARCH ESO ISS PBLA23 END 54.3
HIERARCH ESO ISS PBL24 START 82.848
HIERARCH ESO ISS PBL24 END 83.389
HIERARCH ESO ISS PBLA24 START 92.972
HIERARCH ESO ISS PBLA24 END 92.446
HIERARCH ESO ISS PBL34 START 62.436
HIERARCH ESO ISS PBL34 END 62.396
HIERARCH ESO ISS PBLA34 START 110.461
HIERARCH ESO ISS PBLA34 END 109.966
HIERARCH ESO ISS AMBI TAU0 START 0.004765
HIERARCH ESO ISS AMBI TAU0 END 0.003698
HIERARCH ESO ISS AMBI TEMP 12.86
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 1.11
HIERARCH ESO FT ROBJ NAME HD_103846
HIERARCH ESO FT ROBJ ALPHA 115734.963
HIERARCH ESO FT ROBJ DELTA 283318.590