Exposure
ID
GRAVI.2025-01-08T03:47:45.719_1
Header ID
GRAVI.2025-01-08T03:47:45.719
Date updated
2025-01-08 04:00:51 UTC+0000
Release date
2025-01-08 03:47:45 UTC+0000
UTC Start
2025-01-08 03:47:45.719
UTC End
2025-01-08 03:53:45.719
MJD Start
60683.15816804
MJD End
60683.16233470666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005654
Ambient temperature (°C)
15.33
Seeing (arcsec)
0.665
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 38.8570 39.2270 131.4000 132.1000
A0-J2 120.3340 121.0550 65.1000 66.5000
A0-J6 161.8780 161.7240 9.6330 10.5760
B5-J2 110.5580 110.7720 46.3000 47.7000
B5-J6 185.2770 185.2830 359.3580 0.1810
J2-J6 136.3920 137.3860 323.0120 323.7010
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 60683.15816804
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 38.857
HIERARCH ESO ISS PBL12 END 39.227
HIERARCH ESO ISS PBLA12 START 131.4
HIERARCH ESO ISS PBLA12 END 132.1
HIERARCH ESO ISS PBL13 START 120.334
HIERARCH ESO ISS PBL13 END 121.055
HIERARCH ESO ISS PBLA13 START 65.1
HIERARCH ESO ISS PBLA13 END 66.5
HIERARCH ESO ISS PBL14 START 161.878
HIERARCH ESO ISS PBL14 END 161.724
HIERARCH ESO ISS PBLA14 START 9.633
HIERARCH ESO ISS PBLA14 END 10.576
HIERARCH ESO ISS PBL23 START 110.558
HIERARCH ESO ISS PBL23 END 110.772
HIERARCH ESO ISS PBLA23 START 46.3
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 185.277
HIERARCH ESO ISS PBL24 END 185.283
HIERARCH ESO ISS PBLA24 START 359.358
HIERARCH ESO ISS PBLA24 END 0.181
HIERARCH ESO ISS PBL34 START 136.392
HIERARCH ESO ISS PBL34 END 137.386
HIERARCH ESO ISS PBLA34 START 323.012
HIERARCH ESO ISS PBLA34 END 323.701
HIERARCH ESO ISS AMBI TAU0 START 0.00596
HIERARCH ESO ISS AMBI TAU0 END 0.005348
HIERARCH ESO ISS AMBI TEMP 15.33
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.68