Exposure
ID
GRAVI.2022-02-22T06:21:50.130_1
Header ID
GRAVI.2022-02-22T06:21:50.130
Date updated
2022-09-19 09:42:30 UTC+0000
Release date
2023-12-31 00:00:00 UTC+0000
UTC Start
2022-02-22 06:21:50.130
UTC End
2022-02-22 06:25:50.130
MJD Start
59632.26516354
MJD End
59632.26794131778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00767
Ambient temperature (°C)
12.21
Seeing (arcsec)
0.53
Observation
ID
49590
Category
science
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
37116
Name
Empty
RA
179.885314
DEC
29.24537
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 37.7910 38.2210 38.8000 39.1000
U1-U3 72.6570 73.5100 46.7000 46.8000
U1-U4 117.0940 117.9640 72.5130 72.1280
U2-U3 35.6070 36.0060 55.1000 55.0000
U2-U4 88.1840 88.4140 86.2720 85.7620
U3-U4 60.5810 60.3320 103.9750 103.5120
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221C.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59632.26516354
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Ton 599
HIERARCH ESO INS SOBJ NAME Empty
RA 179.885314
DEC 29.24537
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 37.791
HIERARCH ESO ISS PBL12 END 38.221
HIERARCH ESO ISS PBLA12 START 38.8
HIERARCH ESO ISS PBLA12 END 39.1
HIERARCH ESO ISS PBL13 START 72.657
HIERARCH ESO ISS PBL13 END 73.51
HIERARCH ESO ISS PBLA13 START 46.7
HIERARCH ESO ISS PBLA13 END 46.8
HIERARCH ESO ISS PBL14 START 117.094
HIERARCH ESO ISS PBL14 END 117.964
HIERARCH ESO ISS PBLA14 START 72.513
HIERARCH ESO ISS PBLA14 END 72.128
HIERARCH ESO ISS PBL23 START 35.607
HIERARCH ESO ISS PBL23 END 36.006
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 55.0
HIERARCH ESO ISS PBL24 START 88.184
HIERARCH ESO ISS PBL24 END 88.414
HIERARCH ESO ISS PBLA24 START 86.272
HIERARCH ESO ISS PBLA24 END 85.762
HIERARCH ESO ISS PBL34 START 60.581
HIERARCH ESO ISS PBL34 END 60.332
HIERARCH ESO ISS PBLA34 START 103.975
HIERARCH ESO ISS PBLA34 END 103.512
HIERARCH ESO ISS AMBI TAU0 START 0.00775
HIERARCH ESO ISS AMBI TAU0 END 0.00759
HIERARCH ESO ISS AMBI TEMP 12.21
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53
HIERARCH ESO FT ROBJ NAME Ton_599
HIERARCH ESO FT ROBJ ALPHA 115931.833
HIERARCH ESO FT ROBJ DELTA 291443.826