Exposure
ID
GRAVI.2025-01-08T02:59:00.595_1
Header ID
GRAVI.2025-01-08T02:59:00.595
Date updated
2025-01-08 03:10:44 UTC+0000
Release date
2025-01-08 02:59:00 UTC+0000
UTC Start
2025-01-08 02:59:00.595
UTC End
2025-01-08 03:05:00.595
MJD Start
60683.12431244
MJD End
60683.128479106665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045544999999999995
Ambient temperature (°C)
14.82
Seeing (arcsec)
0.6499999999999999
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 37.9990 38.4880 133.0000 133.3000
A0-J2 94.4370 95.9940 52.4000 54.0000
A0-J6 169.6530 169.6570 356.3940 357.3050
B5-J2 95.9000 96.5400 29.3000 30.9000
B5-J6 198.9930 199.1330 348.8610 349.5860
J2-J6 140.6050 141.8320 322.5770 322.8600
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 60683.12431244
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 37.999
HIERARCH ESO ISS PBL12 END 38.488
HIERARCH ESO ISS PBLA12 START 133.0
HIERARCH ESO ISS PBLA12 END 133.3
HIERARCH ESO ISS PBL13 START 94.437
HIERARCH ESO ISS PBL13 END 95.994
HIERARCH ESO ISS PBLA13 START 52.4
HIERARCH ESO ISS PBLA13 END 54.0
HIERARCH ESO ISS PBL14 START 169.653
HIERARCH ESO ISS PBL14 END 169.657
HIERARCH ESO ISS PBLA14 START 356.394
HIERARCH ESO ISS PBLA14 END 357.305
HIERARCH ESO ISS PBL23 START 95.9
HIERARCH ESO ISS PBL23 END 96.54
HIERARCH ESO ISS PBLA23 START 29.3
HIERARCH ESO ISS PBLA23 END 30.9
HIERARCH ESO ISS PBL24 START 198.993
HIERARCH ESO ISS PBL24 END 199.133
HIERARCH ESO ISS PBLA24 START 348.861
HIERARCH ESO ISS PBLA24 END 349.586
HIERARCH ESO ISS PBL34 START 140.605
HIERARCH ESO ISS PBL34 END 141.832
HIERARCH ESO ISS PBLA34 START 322.577
HIERARCH ESO ISS PBLA34 END 322.86
HIERARCH ESO ISS AMBI TAU0 START 0.005081
HIERARCH ESO ISS AMBI TAU0 END 0.004028
HIERARCH ESO ISS AMBI TEMP 14.82
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.71