Exposure
ID
GRAVI.2025-03-23T23:41:00.999_1
Header ID
GRAVI.2025-03-23T23:41:00.999
Date updated
2025-03-23 23:50:44 UTC+0000
Release date
2025-03-23 23:41:00 UTC+0000
UTC Start
2025-03-23 23:41:00.999
UTC End
2025-03-23 23:41:32.999
MJD Start
60757.98681712
MJD End
60757.98718749037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.002169
Ambient temperature (°C)
15.56
Seeing (arcsec)
0.71
Observation
ID
65841
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49002
Name
HD_44225
RA
94.906413
DEC
-22.10306
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.0250 88.9740 120.8000 120.9000
A0-J2 127.0180 126.9320 97.2000 97.3000
A0-K0 126.3070 126.2350 75.1120 75.1860
G1-J2 57.7410 57.7180 59.1000 59.2000
G1-K0 90.3810 90.3730 30.2980 30.3730
J2-K0 48.5430 48.5430 355.3340 355.4310
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60757.98681712
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 44225
HIERARCH ESO INS SOBJ NAME HD_44225
RA 94.906413
DEC -22.10306
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 54.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 89.025
HIERARCH ESO ISS PBL12 END 88.974
HIERARCH ESO ISS PBLA12 START 120.8
HIERARCH ESO ISS PBLA12 END 120.9
HIERARCH ESO ISS PBL13 START 127.018
HIERARCH ESO ISS PBL13 END 126.932
HIERARCH ESO ISS PBLA13 START 97.2
HIERARCH ESO ISS PBLA13 END 97.3
HIERARCH ESO ISS PBL14 START 126.307
HIERARCH ESO ISS PBL14 END 126.235
HIERARCH ESO ISS PBLA14 START 75.112
HIERARCH ESO ISS PBLA14 END 75.186
HIERARCH ESO ISS PBL23 START 57.741
HIERARCH ESO ISS PBL23 END 57.718
HIERARCH ESO ISS PBLA23 START 59.1
HIERARCH ESO ISS PBLA23 END 59.2
HIERARCH ESO ISS PBL24 START 90.381
HIERARCH ESO ISS PBL24 END 90.373
HIERARCH ESO ISS PBLA24 START 30.298
HIERARCH ESO ISS PBLA24 END 30.373
HIERARCH ESO ISS PBL34 START 48.543
HIERARCH ESO ISS PBL34 END 48.543
HIERARCH ESO ISS PBLA34 START 355.334
HIERARCH ESO ISS PBLA34 END 355.431
HIERARCH ESO ISS AMBI TAU0 START 0.002169
HIERARCH ESO ISS AMBI TAU0 END 0.002169
HIERARCH ESO ISS AMBI TEMP 15.56
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71