Exposure
ID
GRAVI.2025-05-12T23:42:14.116_1
Header ID
GRAVI.2025-05-12T23:42:14.116
Date updated
2025-05-13 06:41:45 UTC+0000
Release date
2025-05-13 06:41:44 UTC+0000
UTC Start
2025-05-12 23:42:14.116
UTC End
2025-05-12 23:47:34.116
MJD Start
60807.98766338
MJD End
60807.991367083705
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.007755
Ambient temperature (°C)
18.3
Seeing (arcsec)
0.575
Observation
ID
67279
Category
science
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
50021
Name
P0203_B
RA
155.822804
DEC
-13.37761
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 55.7050 55.8070 26.5000 27.0000
U1-U3 101.0690 101.2770 32.9000 33.4000
U1-U4 129.6210 129.8510 60.8800 61.2640
U2-U3 46.1320 46.2330 40.6000 41.1000
U2-U4 89.3920 89.4280 81.5010 81.8330
U3-U4 62.3230 62.2120 110.4840 110.8500
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60807.98766338
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME P0203_B
HIERARCH ESO INS SOBJ NAME P0203_B
RA 155.822804
DEC -13.37761
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 55.705
HIERARCH ESO ISS PBL12 END 55.807
HIERARCH ESO ISS PBLA12 START 26.5
HIERARCH ESO ISS PBLA12 END 27.0
HIERARCH ESO ISS PBL13 START 101.069
HIERARCH ESO ISS PBL13 END 101.277
HIERARCH ESO ISS PBLA13 START 32.9
HIERARCH ESO ISS PBLA13 END 33.4
HIERARCH ESO ISS PBL14 START 129.621
HIERARCH ESO ISS PBL14 END 129.851
HIERARCH ESO ISS PBLA14 START 60.88
HIERARCH ESO ISS PBLA14 END 61.264
HIERARCH ESO ISS PBL23 START 46.132
HIERARCH ESO ISS PBL23 END 46.233
HIERARCH ESO ISS PBLA23 START 40.6
HIERARCH ESO ISS PBLA23 END 41.1
HIERARCH ESO ISS PBL24 START 89.392
HIERARCH ESO ISS PBL24 END 89.428
HIERARCH ESO ISS PBLA24 START 81.501
HIERARCH ESO ISS PBLA24 END 81.833
HIERARCH ESO ISS PBL34 START 62.323
HIERARCH ESO ISS PBL34 END 62.212
HIERARCH ESO ISS PBLA34 START 110.484
HIERARCH ESO ISS PBLA34 END 110.85
HIERARCH ESO ISS AMBI TAU0 START 0.007293
HIERARCH ESO ISS AMBI TAU0 END 0.008217
HIERARCH ESO ISS AMBI TEMP 18.3
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.54
HIERARCH ESO FT ROBJ NAME P0203_A
HIERARCH ESO FT ROBJ ALPHA 102317.549
HIERARCH ESO FT ROBJ DELTA -132237.741