Exposure
ID
GRAVI.2025-01-07T05:02:18.362_1
Header ID
GRAVI.2025-01-07T05:02:18.362
Date updated
2025-01-07 05:15:40 UTC+0000
Release date
2025-01-07 05:02:18 UTC+0000
UTC Start
2025-01-07 05:02:18.362
UTC End
2025-01-07 05:08:18.362
MJD Start
60682.20993475
MJD End
60682.21410141666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006188000000000001
Ambient temperature (°C)
15.67
Seeing (arcsec)
0.76
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 45.1060 45.3580 140.6000 141.1000
A0-J2 120.4300 121.4230 76.9000 78.0000
A0-J6 169.4080 169.3540 13.4040 14.2690
B5-J2 108.2650 108.7730 55.0000 56.1000
B5-J6 199.9260 199.8890 3.0510 3.8110
J2-J6 158.1090 158.7190 330.4320 330.9790
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 60682.20993475
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 45.106
HIERARCH ESO ISS PBL12 END 45.358
HIERARCH ESO ISS PBLA12 START 140.6
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 120.43
HIERARCH ESO ISS PBL13 END 121.423
HIERARCH ESO ISS PBLA13 START 76.9
HIERARCH ESO ISS PBLA13 END 78.0
HIERARCH ESO ISS PBL14 START 169.408
HIERARCH ESO ISS PBL14 END 169.354
HIERARCH ESO ISS PBLA14 START 13.404
HIERARCH ESO ISS PBLA14 END 14.269
HIERARCH ESO ISS PBL23 START 108.265
HIERARCH ESO ISS PBL23 END 108.773
HIERARCH ESO ISS PBLA23 START 55.0
HIERARCH ESO ISS PBLA23 END 56.1
HIERARCH ESO ISS PBL24 START 199.926
HIERARCH ESO ISS PBL24 END 199.889
HIERARCH ESO ISS PBLA24 START 3.051
HIERARCH ESO ISS PBLA24 END 3.811
HIERARCH ESO ISS PBL34 START 158.109
HIERARCH ESO ISS PBL34 END 158.719
HIERARCH ESO ISS PBLA34 START 330.432
HIERARCH ESO ISS PBLA34 END 330.979
HIERARCH ESO ISS AMBI TAU0 START 0.006466
HIERARCH ESO ISS AMBI TAU0 END 0.00591
HIERARCH ESO ISS AMBI TEMP 15.67
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.78