Exposure
ID
GRAVI.2022-02-22T07:16:35.268_1
Header ID
GRAVI.2022-02-22T07:16:35.268
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 07:16:35.268
UTC End
2022-02-22 07:20:35.268
MJD Start
59632.30318597
MJD End
59632.30596374778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.008713499999999999
Ambient temperature (°C)
11.69
Seeing (arcsec)
0.55
Observation
ID
49593
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
37119
Name
Empty
RA
179.885416
DEC
29.24559
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 43.1080 43.4980 41.1000 41.2000
U1-U3 82.8190 83.5310 47.0000 47.0000
U1-U4 125.9580 126.4390 67.3440 66.9170
U2-U3 40.1910 40.4970 53.4000 53.2000
U2-U4 89.3560 89.2870 79.6700 79.1410
U3-U4 56.2020 55.7540 98.1180 97.6610
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 59632.30318597
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Ton 599
HIERARCH ESO INS SOBJ NAME Empty
RA 179.885416
DEC 29.24559
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 43.108
HIERARCH ESO ISS PBL12 END 43.498
HIERARCH ESO ISS PBLA12 START 41.1
HIERARCH ESO ISS PBLA12 END 41.2
HIERARCH ESO ISS PBL13 START 82.819
HIERARCH ESO ISS PBL13 END 83.531
HIERARCH ESO ISS PBLA13 START 47.0
HIERARCH ESO ISS PBLA13 END 47.0
HIERARCH ESO ISS PBL14 START 125.958
HIERARCH ESO ISS PBL14 END 126.439
HIERARCH ESO ISS PBLA14 START 67.344
HIERARCH ESO ISS PBLA14 END 66.917
HIERARCH ESO ISS PBL23 START 40.191
HIERARCH ESO ISS PBL23 END 40.497
HIERARCH ESO ISS PBLA23 START 53.4
HIERARCH ESO ISS PBLA23 END 53.2
HIERARCH ESO ISS PBL24 START 89.356
HIERARCH ESO ISS PBL24 END 89.287
HIERARCH ESO ISS PBLA24 START 79.67
HIERARCH ESO ISS PBLA24 END 79.141
HIERARCH ESO ISS PBL34 START 56.202
HIERARCH ESO ISS PBL34 END 55.754
HIERARCH ESO ISS PBLA34 START 98.118
HIERARCH ESO ISS PBLA34 END 97.661
HIERARCH ESO ISS AMBI TAU0 START 0.008567
HIERARCH ESO ISS AMBI TAU0 END 0.00886
HIERARCH ESO ISS AMBI TEMP 11.69
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.54
HIERARCH ESO FT ROBJ NAME Ton_599
HIERARCH ESO FT ROBJ ALPHA 115931.833
HIERARCH ESO FT ROBJ DELTA 291443.826