Exposure
ID
GRAVI.2025-11-30T06:37:11.896_1
Header ID
GRAVI.2025-11-30T06:37:11.896
Date updated
2025-11-30 06:51:02 UTC+0000
Release date
2025-11-30 06:37:11 UTC+0000
UTC Start
2025-11-30 06:37:11.896
UTC End
2025-11-30 06:43:11.896
MJD Start
61009.27583213
MJD End
61009.279998796665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003856
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.735
Observation
ID
71914
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
53390
Name
HD_79150
RA
137.814953
DEC
-36.20878
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 42.3620 42.7230 136.4000 136.8000
A0-J2 109.6920 111.0740 66.9000 68.1000
A0-J6 169.6370 169.6270 5.6020 6.5070
B5-J2 102.8120 103.4970 44.2000 45.5000
B5-J6 199.8970 199.9330 356.3690 357.1290
J2-J6 151.4360 152.3210 326.1640 326.6010
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 61009.27583213
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 79150
HIERARCH ESO INS SOBJ NAME HD_79150
RA 137.814953
DEC -36.20878
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 42.362
HIERARCH ESO ISS PBL12 END 42.723
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 109.692
HIERARCH ESO ISS PBL13 END 111.074
HIERARCH ESO ISS PBLA13 START 66.9
HIERARCH ESO ISS PBLA13 END 68.1
HIERARCH ESO ISS PBL14 START 169.637
HIERARCH ESO ISS PBL14 END 169.627
HIERARCH ESO ISS PBLA14 START 5.602
HIERARCH ESO ISS PBLA14 END 6.507
HIERARCH ESO ISS PBL23 START 102.812
HIERARCH ESO ISS PBL23 END 103.497
HIERARCH ESO ISS PBLA23 START 44.2
HIERARCH ESO ISS PBLA23 END 45.5
HIERARCH ESO ISS PBL24 START 199.897
HIERARCH ESO ISS PBL24 END 199.933
HIERARCH ESO ISS PBLA24 START 356.369
HIERARCH ESO ISS PBLA24 END 357.129
HIERARCH ESO ISS PBL34 START 151.436
HIERARCH ESO ISS PBL34 END 152.321
HIERARCH ESO ISS PBLA34 START 326.164
HIERARCH ESO ISS PBLA34 END 326.601
HIERARCH ESO ISS AMBI TAU0 START 0.003725
HIERARCH ESO ISS AMBI TAU0 END 0.003987
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.7