Exposure
ID
GRAVI.2022-02-22T07:50:32.353_1
Header ID
GRAVI.2022-02-22T07:50:32.353
Date updated
2022-02-22 08:01:32 UTC+0000
Release date
2022-02-22 07:50:32 UTC+0000
UTC Start
2022-02-22 07:50:32.353
UTC End
2022-02-22 07:54:32.353
MJD Start
59632.32676335
MJD End
59632.3295411278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0083085
Ambient temperature (°C)
11.04
Seeing (arcsec)
0.645
Observation
ID
49594
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
37120
Name
Empty
RA
179.397729
DEC
28.55541
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 46.5370 46.8770 41.0000 40.9000
U1-U3 88.8470 89.4360 45.9000 45.8000
U1-U4 129.1780 129.4030 63.5190 63.0640
U2-U3 42.6690 42.9040 51.3000 51.0000
U2-U4 88.0240 87.7650 75.2150 74.6650
U3-U4 51.9990 51.4300 94.6730 94.2180
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 59632.32676335
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 103846
HIERARCH ESO INS SOBJ NAME Empty
RA 179.397729
DEC 28.55541
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 46.537
HIERARCH ESO ISS PBL12 END 46.877
HIERARCH ESO ISS PBLA12 START 41.0
HIERARCH ESO ISS PBLA12 END 40.9
HIERARCH ESO ISS PBL13 START 88.847
HIERARCH ESO ISS PBL13 END 89.436
HIERARCH ESO ISS PBLA13 START 45.9
HIERARCH ESO ISS PBLA13 END 45.8
HIERARCH ESO ISS PBL14 START 129.178
HIERARCH ESO ISS PBL14 END 129.403
HIERARCH ESO ISS PBLA14 START 63.519
HIERARCH ESO ISS PBLA14 END 63.064
HIERARCH ESO ISS PBL23 START 42.669
HIERARCH ESO ISS PBL23 END 42.904
HIERARCH ESO ISS PBLA23 START 51.3
HIERARCH ESO ISS PBLA23 END 51.0
HIERARCH ESO ISS PBL24 START 88.024
HIERARCH ESO ISS PBL24 END 87.765
HIERARCH ESO ISS PBLA24 START 75.215
HIERARCH ESO ISS PBLA24 END 74.665
HIERARCH ESO ISS PBL34 START 51.999
HIERARCH ESO ISS PBL34 END 51.43
HIERARCH ESO ISS PBLA34 START 94.673
HIERARCH ESO ISS PBLA34 END 94.218
HIERARCH ESO ISS AMBI TAU0 START 0.008379
HIERARCH ESO ISS AMBI TAU0 END 0.008238
HIERARCH ESO ISS AMBI TEMP 11.04
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.6
HIERARCH ESO FT ROBJ NAME HD_103846
HIERARCH ESO FT ROBJ ALPHA 115734.963
HIERARCH ESO FT ROBJ DELTA 283318.590