Exposure
ID
GRAVI.2025-03-23T03:54:34.847_1
Header ID
GRAVI.2025-03-23T03:54:34.847
Date updated
2025-03-23 04:00:56 UTC+0000
Release date
2025-03-23 03:54:34 UTC+0000
UTC Start
2025-03-23 03:54:34.847
UTC End
2025-03-23 03:55:06.847
MJD Start
60757.16290332
MJD End
60757.16327369037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.005285
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.64
Observation
ID
65818
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
48979
Name
HD_92847
RA
160.588298
DEC
-47.22037
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 90.1960 90.2120 120.0000 120.2000
A0-J2 128.8390 128.8130 98.7000 98.9000
A0-K0 124.8800 124.8070 78.2480 78.3950
G1-J2 55.4960 55.4550 62.5000 62.7000
G1-K0 83.2210 83.1710 32.0480 32.1470
J2-K0 45.2410 45.2460 353.5440 353.6390
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 60757.16290332
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 92847
HIERARCH ESO INS SOBJ NAME HD_92847
RA 160.588298
DEC -47.22037
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 90.196
HIERARCH ESO ISS PBL12 END 90.212
HIERARCH ESO ISS PBLA12 START 120.0
HIERARCH ESO ISS PBLA12 END 120.2
HIERARCH ESO ISS PBL13 START 128.839
HIERARCH ESO ISS PBL13 END 128.813
HIERARCH ESO ISS PBLA13 START 98.7
HIERARCH ESO ISS PBLA13 END 98.9
HIERARCH ESO ISS PBL14 START 124.88
HIERARCH ESO ISS PBL14 END 124.807
HIERARCH ESO ISS PBLA14 START 78.248
HIERARCH ESO ISS PBLA14 END 78.395
HIERARCH ESO ISS PBL23 START 55.496
HIERARCH ESO ISS PBL23 END 55.455
HIERARCH ESO ISS PBLA23 START 62.5
HIERARCH ESO ISS PBLA23 END 62.7
HIERARCH ESO ISS PBL24 START 83.221
HIERARCH ESO ISS PBL24 END 83.171
HIERARCH ESO ISS PBLA24 START 32.048
HIERARCH ESO ISS PBLA24 END 32.147
HIERARCH ESO ISS PBL34 START 45.241
HIERARCH ESO ISS PBL34 END 45.246
HIERARCH ESO ISS PBLA34 START 353.544
HIERARCH ESO ISS PBLA34 END 353.639
HIERARCH ESO ISS AMBI TAU0 START 0.005285
HIERARCH ESO ISS AMBI TAU0 END 0.005285
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64