Exposure
ID
GRAVI.2022-12-10T06:03:02.312_1
Header ID
GRAVI.2022-12-10T06:03:02.312
Date updated
2022-12-10 06:15:47 UTC+0000
Release date
2022-12-10 06:03:02 UTC+0000
UTC Start
2022-12-10 06:03:02.312
UTC End
2022-12-10 06:09:02.312
MJD Start
59923.25211009
MJD End
59923.2562767567
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0131665
Ambient temperature (°C)
16.02
Seeing (arcsec)
0.415
Observation
ID
53420
Category
calibrator
Program ID
110.245A.001
Program Title
FEASIBILITY STUDY OF RESOLVING THE NUCLEAR REGIONS OF EHT TARGETS
Program Type
Normal
PI / COI
RAMAKRISHNAN/ TRISTRAM/ KOTILAINEN
Target
ID
39727
Name
GSC_05476-00149
RA
149.813988
DEC
-7.58972
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 50.1610 50.1570 359.2000 0.2000
U1-U3 86.9510 87.0810 4.4000 5.6000
U1-U4 88.0960 89.6300 35.2290 36.8020
U2-U3 37.2870 37.4490 11.5000 12.9000
U2-U4 55.9660 57.7150 67.0740 68.0160
U3-U4 46.4870 47.5570 108.4860 108.2650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.245A.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59923.25211009
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME GSC 05476-00149
HIERARCH ESO INS SOBJ NAME GSC_05476-00149
RA 149.813988
DEC -7.58972
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 50.161
HIERARCH ESO ISS PBL12 END 50.157
HIERARCH ESO ISS PBLA12 START 359.2
HIERARCH ESO ISS PBLA12 END 0.2
HIERARCH ESO ISS PBL13 START 86.951
HIERARCH ESO ISS PBL13 END 87.081
HIERARCH ESO ISS PBLA13 START 4.4
HIERARCH ESO ISS PBLA13 END 5.6
HIERARCH ESO ISS PBL14 START 88.096
HIERARCH ESO ISS PBL14 END 89.63
HIERARCH ESO ISS PBLA14 START 35.229
HIERARCH ESO ISS PBLA14 END 36.802
HIERARCH ESO ISS PBL23 START 37.287
HIERARCH ESO ISS PBL23 END 37.449
HIERARCH ESO ISS PBLA23 START 11.5
HIERARCH ESO ISS PBLA23 END 12.9
HIERARCH ESO ISS PBL24 START 55.966
HIERARCH ESO ISS PBL24 END 57.715
HIERARCH ESO ISS PBLA24 START 67.074
HIERARCH ESO ISS PBLA24 END 68.016
HIERARCH ESO ISS PBL34 START 46.487
HIERARCH ESO ISS PBL34 END 47.557
HIERARCH ESO ISS PBLA34 START 108.486
HIERARCH ESO ISS PBLA34 END 108.265
HIERARCH ESO ISS AMBI TAU0 START 0.013277
HIERARCH ESO ISS AMBI TAU0 END 0.013056
HIERARCH ESO ISS AMBI TEMP 16.02
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.36