Exposure
ID
GRAVI.2025-07-31T05:14:29.924_1
Header ID
GRAVI.2025-07-31T05:14:29.924
Date updated
2025-07-31 05:20:48 UTC+0000
Release date
2025-07-31 05:14:29 UTC+0000
UTC Start
2025-07-31 05:14:29.924
UTC End
2025-07-31 05:15:01.924
MJD Start
60887.2184019
MJD End
60887.21877227037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.001888
Ambient temperature (°C)
8.8
Seeing (arcsec)
2.02
Observation
ID
68980
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
51313
Name
HD_178272
RA
287.337852
DEC
-34.48991
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 87.1200 87.0640 134.1000 134.2000
A0-J2 118.6970 118.5450 110.8000 110.9000
A0-K0 113.9980 113.8130 86.9890 87.1130
G1-J2 51.8060 51.7270 69.1000 69.2000
G1-K0 83.9990 83.9340 37.5840 37.6560
J2-K0 48.1350 48.1340 3.3910 3.4940
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 60887.2184019
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 178272
HIERARCH ESO INS SOBJ NAME HD_178272
RA 287.337852
DEC -34.48991
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 87.12
HIERARCH ESO ISS PBL12 END 87.064
HIERARCH ESO ISS PBLA12 START 134.1
HIERARCH ESO ISS PBLA12 END 134.2
HIERARCH ESO ISS PBL13 START 118.697
HIERARCH ESO ISS PBL13 END 118.545
HIERARCH ESO ISS PBLA13 START 110.8
HIERARCH ESO ISS PBLA13 END 110.9
HIERARCH ESO ISS PBL14 START 113.998
HIERARCH ESO ISS PBL14 END 113.813
HIERARCH ESO ISS PBLA14 START 86.989
HIERARCH ESO ISS PBLA14 END 87.113
HIERARCH ESO ISS PBL23 START 51.806
HIERARCH ESO ISS PBL23 END 51.727
HIERARCH ESO ISS PBLA23 START 69.1
HIERARCH ESO ISS PBLA23 END 69.2
HIERARCH ESO ISS PBL24 START 83.999
HIERARCH ESO ISS PBL24 END 83.934
HIERARCH ESO ISS PBLA24 START 37.584
HIERARCH ESO ISS PBLA24 END 37.656
HIERARCH ESO ISS PBL34 START 48.135
HIERARCH ESO ISS PBL34 END 48.134
HIERARCH ESO ISS PBLA34 START 3.391
HIERARCH ESO ISS PBLA34 END 3.494
HIERARCH ESO ISS AMBI TAU0 START 0.001888
HIERARCH ESO ISS AMBI TAU0 END 0.001888
HIERARCH ESO ISS AMBI TEMP 8.8
HIERARCH ESO ISS AMBI FWHM START 2.02
HIERARCH ESO ISS AMBI FWHM END 2.02