Exposure
ID
GRAVI.2025-01-08T02:52:21.578_1
Header ID
GRAVI.2025-01-08T02:52:21.578
Date updated
2025-01-08 03:05:47 UTC+0000
Release date
2025-01-08 02:52:21 UTC+0000
UTC Start
2025-01-08 02:52:21.578
UTC End
2025-01-08 02:58:21.578
MJD Start
60683.11969419
MJD End
60683.123860856664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0053384999999999995
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.595
Observation
ID
63107
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
47017
Name
HD_71950
RA
137.814953
DEC
-36.20879
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 37.4720 37.9750 132.8000 133.0000
A0-J2 92.8040 94.3590 50.6000 52.3000
A0-J6 169.6470 169.6530 355.4380 356.3490
B5-J2 95.2470 95.8680 27.6000 29.3000
B5-J6 198.8310 198.9860 348.1020 348.8250
J2-J6 139.2770 140.5430 322.2960 322.5630
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 60683.11969419
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 79150
HIERARCH ESO INS SOBJ NAME HD_71950
RA 137.814953
DEC -36.20879
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 37.472
HIERARCH ESO ISS PBL12 END 37.975
HIERARCH ESO ISS PBLA12 START 132.8
HIERARCH ESO ISS PBLA12 END 133.0
HIERARCH ESO ISS PBL13 START 92.804
HIERARCH ESO ISS PBL13 END 94.359
HIERARCH ESO ISS PBLA13 START 50.6
HIERARCH ESO ISS PBLA13 END 52.3
HIERARCH ESO ISS PBL14 START 169.647
HIERARCH ESO ISS PBL14 END 169.653
HIERARCH ESO ISS PBLA14 START 355.438
HIERARCH ESO ISS PBLA14 END 356.349
HIERARCH ESO ISS PBL23 START 95.247
HIERARCH ESO ISS PBL23 END 95.868
HIERARCH ESO ISS PBLA23 START 27.6
HIERARCH ESO ISS PBLA23 END 29.3
HIERARCH ESO ISS PBL24 START 198.831
HIERARCH ESO ISS PBL24 END 198.986
HIERARCH ESO ISS PBLA24 START 348.102
HIERARCH ESO ISS PBLA24 END 348.825
HIERARCH ESO ISS PBL34 START 139.277
HIERARCH ESO ISS PBL34 END 140.543
HIERARCH ESO ISS PBLA34 START 322.296
HIERARCH ESO ISS PBLA34 END 322.563
HIERARCH ESO ISS AMBI TAU0 START 0.005596
HIERARCH ESO ISS AMBI TAU0 END 0.005081
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.59