Exposure
ID
GRAVI.2025-04-11T08:04:27.592_1
Header ID
GRAVI.2025-04-11T08:04:27.592
Date updated
2025-04-11 08:10:52 UTC+0000
Release date
2025-04-11 08:04:27 UTC+0000
UTC Start
2025-04-11 08:04:27.592
UTC End
2025-04-11 08:04:59.592
MJD Start
60776.33643046
MJD End
60776.33680083037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.003555
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.7250000000000001
Observation
ID
66254
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49318
Name
HD_137730
RA
232.383481
DEC
-46.90748
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 50.6580 50.6190 36.4000 36.5000
U1-U3 91.8090 91.7280 43.5000 43.6000
U1-U4 120.7300 120.6080 73.9270 74.0690
U2-U3 42.0030 41.9620 52.0000 52.2000
U2-U4 86.2540 86.1920 94.8810 95.0440
U3-U4 62.3820 62.3740 122.1320 122.2950
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 60776.33643046
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 137730
HIERARCH ESO INS SOBJ NAME HD_137730
RA 232.383481
DEC -46.90748
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
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 54.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 50.658
HIERARCH ESO ISS PBL12 END 50.619
HIERARCH ESO ISS PBLA12 START 36.4
HIERARCH ESO ISS PBLA12 END 36.5
HIERARCH ESO ISS PBL13 START 91.809
HIERARCH ESO ISS PBL13 END 91.728
HIERARCH ESO ISS PBLA13 START 43.5
HIERARCH ESO ISS PBLA13 END 43.6
HIERARCH ESO ISS PBL14 START 120.73
HIERARCH ESO ISS PBL14 END 120.608
HIERARCH ESO ISS PBLA14 START 73.927
HIERARCH ESO ISS PBLA14 END 74.069
HIERARCH ESO ISS PBL23 START 42.003
HIERARCH ESO ISS PBL23 END 41.962
HIERARCH ESO ISS PBLA23 START 52.0
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 86.254
HIERARCH ESO ISS PBL24 END 86.192
HIERARCH ESO ISS PBLA24 START 94.881
HIERARCH ESO ISS PBLA24 END 95.044
HIERARCH ESO ISS PBL34 START 62.382
HIERARCH ESO ISS PBL34 END 62.374
HIERARCH ESO ISS PBLA34 START 122.132
HIERARCH ESO ISS PBLA34 END 122.295
HIERARCH ESO ISS AMBI TAU0 START 0.003555
HIERARCH ESO ISS AMBI TAU0 END 0.003555
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.8