Exposure
ID
GRAVI.2025-01-07T05:53:51.494_1
Header ID
GRAVI.2025-01-07T05:53:51.494
Date updated
2025-01-07 06:10:44 UTC+0000
Release date
2025-01-07 05:53:51 UTC+0000
UTC Start
2025-01-07 05:53:51.494
UTC End
2025-01-07 05:59:51.494
MJD Start
60682.24573488
MJD End
60682.24990154667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.009142500000000001
Ambient temperature (°C)
15.04
Seeing (arcsec)
0.615
Observation
ID
63109
Category
calibrator
Program ID
114.27PY.001
Program Title
IS THE STELLAR QUADRUPLE HD 74438 A CANDIDATE PROGENITOR OF SN IA?
Program Type
Normal
PI / COI
MERLE / JORISSEN / LIBERT / MÉRAND / PALADINI / VAN ECK
Target
ID
47019
Name
HD_72518
RA
127.776733
DEC
-51.77415
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 44.2250 44.4090 147.1000 148.0000
A0-J2 129.0540 129.1520 90.3000 91.5000
A0-J6 155.6780 155.1380 27.2300 28.0910
B5-J2 111.1800 110.9480 70.8000 72.0000
B5-J6 181.7870 181.3860 15.0510 15.8330
J2-J6 150.6040 151.0800 337.4240 338.2220
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27PY.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60682.24573488
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 72518
HIERARCH ESO INS SOBJ NAME HD_72518
RA 127.776733
DEC -51.77415
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 379.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 36
HIERARCH ESO ISS PBL12 START 44.225
HIERARCH ESO ISS PBL12 END 44.409
HIERARCH ESO ISS PBLA12 START 147.1
HIERARCH ESO ISS PBLA12 END 148.0
HIERARCH ESO ISS PBL13 START 129.054
HIERARCH ESO ISS PBL13 END 129.152
HIERARCH ESO ISS PBLA13 START 90.3
HIERARCH ESO ISS PBLA13 END 91.5
HIERARCH ESO ISS PBL14 START 155.678
HIERARCH ESO ISS PBL14 END 155.138
HIERARCH ESO ISS PBLA14 START 27.23
HIERARCH ESO ISS PBLA14 END 28.091
HIERARCH ESO ISS PBL23 START 111.18
HIERARCH ESO ISS PBL23 END 110.948
HIERARCH ESO ISS PBLA23 START 70.8
HIERARCH ESO ISS PBLA23 END 72.0
HIERARCH ESO ISS PBL24 START 181.787
HIERARCH ESO ISS PBL24 END 181.386
HIERARCH ESO ISS PBLA24 START 15.051
HIERARCH ESO ISS PBLA24 END 15.833
HIERARCH ESO ISS PBL34 START 150.604
HIERARCH ESO ISS PBL34 END 151.08
HIERARCH ESO ISS PBLA34 START 337.424
HIERARCH ESO ISS PBLA34 END 338.222
HIERARCH ESO ISS AMBI TAU0 START 0.009367
HIERARCH ESO ISS AMBI TAU0 END 0.008918
HIERARCH ESO ISS AMBI TEMP 15.04
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.6