Exposure
ID
GRAVI.2025-11-30T06:43:47.912_1
Header ID
GRAVI.2025-11-30T06:43:47.912
Date updated
2025-11-30 06:56:07 UTC+0000
Release date
2025-11-30 06:43:47 UTC+0000
UTC Start
2025-11-30 06:43:47.912
UTC End
2025-11-30 06:49:47.912
MJD Start
61009.28041565
MJD End
61009.284582316664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0039945
Ambient temperature (°C)
12.42
Seeing (arcsec)
0.585
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 42.7400 43.0880 136.8000 137.3000
A0-J2 111.1390 112.4840 68.2000 69.4000
A0-J6 169.6260 169.6120 6.5500 7.4480
B5-J2 103.5290 104.2020 45.6000 46.9000
B5-J6 199.9340 199.9610 357.1650 357.9230
J2-J6 152.3620 153.2120 326.6220 327.0700
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 61009.28041565
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 42.74
HIERARCH ESO ISS PBL12 END 43.088
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 137.3
HIERARCH ESO ISS PBL13 START 111.139
HIERARCH ESO ISS PBL13 END 112.484
HIERARCH ESO ISS PBLA13 START 68.2
HIERARCH ESO ISS PBLA13 END 69.4
HIERARCH ESO ISS PBL14 START 169.626
HIERARCH ESO ISS PBL14 END 169.612
HIERARCH ESO ISS PBLA14 START 6.55
HIERARCH ESO ISS PBLA14 END 7.448
HIERARCH ESO ISS PBL23 START 103.529
HIERARCH ESO ISS PBL23 END 104.202
HIERARCH ESO ISS PBLA23 START 45.6
HIERARCH ESO ISS PBLA23 END 46.9
HIERARCH ESO ISS PBL24 START 199.934
HIERARCH ESO ISS PBL24 END 199.961
HIERARCH ESO ISS PBLA24 START 357.165
HIERARCH ESO ISS PBLA24 END 357.923
HIERARCH ESO ISS PBL34 START 152.362
HIERARCH ESO ISS PBL34 END 153.212
HIERARCH ESO ISS PBLA34 START 326.622
HIERARCH ESO ISS PBLA34 END 327.07
HIERARCH ESO ISS AMBI TAU0 START 0.003987
HIERARCH ESO ISS AMBI TAU0 END 0.004002
HIERARCH ESO ISS AMBI TEMP 12.42
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.58