Exposure
ID
GRAVI.2025-02-23T00:52:32.514_1
Header ID
GRAVI.2025-02-23T00:52:32.514
Date updated
2025-02-23 01:05:44 UTC+0000
Release date
2025-02-23 00:52:32 UTC+0000
UTC Start
2025-02-23 00:52:32.514
UTC End
2025-02-23 00:58:32.514
MJD Start
60729.03648743
MJD End
60729.040654096665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0065190000000000005
Ambient temperature (°C)
16.66
Seeing (arcsec)
0.895
Observation
ID
64793
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
48249
Name
HD_71950
RA
137.814951
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 41.7970 42.1780 135.8000 136.2000
A0-J2 107.5660 108.9960 65.0000 66.3000
A0-J6 169.6490 169.6410 4.2450 5.1540
B5-J2 101.7760 102.4720 42.2000 43.5000
B5-J6 199.8260 199.8750 355.2380 355.9950
J2-J6 150.0490 150.9830 325.5360 325.9530
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 60729.03648743
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 79150
HIERARCH ESO INS SOBJ NAME HD_71950
RA 137.814951
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 41.797
HIERARCH ESO ISS PBL12 END 42.178
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 107.566
HIERARCH ESO ISS PBL13 END 108.996
HIERARCH ESO ISS PBLA13 START 65.0
HIERARCH ESO ISS PBLA13 END 66.3
HIERARCH ESO ISS PBL14 START 169.649
HIERARCH ESO ISS PBL14 END 169.641
HIERARCH ESO ISS PBLA14 START 4.245
HIERARCH ESO ISS PBLA14 END 5.154
HIERARCH ESO ISS PBL23 START 101.776
HIERARCH ESO ISS PBL23 END 102.472
HIERARCH ESO ISS PBLA23 START 42.2
HIERARCH ESO ISS PBLA23 END 43.5
HIERARCH ESO ISS PBL24 START 199.826
HIERARCH ESO ISS PBL24 END 199.875
HIERARCH ESO ISS PBLA24 START 355.238
HIERARCH ESO ISS PBLA24 END 355.995
HIERARCH ESO ISS PBL34 START 150.049
HIERARCH ESO ISS PBL34 END 150.983
HIERARCH ESO ISS PBLA34 START 325.536
HIERARCH ESO ISS PBLA34 END 325.953
HIERARCH ESO ISS AMBI TAU0 START 0.006947
HIERARCH ESO ISS AMBI TAU0 END 0.006091
HIERARCH ESO ISS AMBI TEMP 16.66
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 1.01