Exposure
ID
GRAVI.2025-10-14T06:49:23.053_1
Header ID
GRAVI.2025-10-14T06:49:23.053
Date updated
2025-10-14 07:05:54 UTC+0000
Release date
2026-10-14 07:05:53 UTC+0000
UTC Start
2025-10-14 06:49:23.053
UTC End
2025-10-14 06:55:23.053
MJD Start
60962.28429459
MJD End
60962.28846125666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0051945
Ambient temperature (°C)
10.81
Seeing (arcsec)
0.645
Observation
ID
70931
Category
science
Program ID
116.290L.001
Program Title
THE ORIGIN OF LARGE SCALE WIND VARIABILITY IN WOLF-RAYET STARS: ELUSIVE WIND STRUCTURES OR LOW-MASS COMPANIONS?
Program Type
Normal
PI / COI
DESHMUKH / CHENÉ / SANA / FROST / SHENAR / MÉRAND / DE PRINS / RICHARDSON / FABIANI
Target
ID
52638
Name
HD_50896
RA
103.553104
DEC
-23.92832
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 43.8970 44.2360 139.2000 139.3000
A0-J2 93.2440 95.3290 69.0000 70.1000
A0-J6 166.4210 166.4340 0.4320 1.3600
B5-J2 88.6000 89.7400 41.2000 42.7000
B5-J6 201.5200 201.4790 352.1780 352.9080
J2-J6 158.2460 158.9980 327.1780 327.3960
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.290L.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60962.28429459
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 50896
HIERARCH ESO INS SOBJ NAME HD_50896
RA 103.553104
DEC -23.92832
HIERARCH ESO INS SPEC RES HIGH
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 43.897
HIERARCH ESO ISS PBL12 END 44.236
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 139.3
HIERARCH ESO ISS PBL13 START 93.244
HIERARCH ESO ISS PBL13 END 95.329
HIERARCH ESO ISS PBLA13 START 69.0
HIERARCH ESO ISS PBLA13 END 70.1
HIERARCH ESO ISS PBL14 START 166.421
HIERARCH ESO ISS PBL14 END 166.434
HIERARCH ESO ISS PBLA14 START 0.432
HIERARCH ESO ISS PBLA14 END 1.36
HIERARCH ESO ISS PBL23 START 88.6
HIERARCH ESO ISS PBL23 END 89.74
HIERARCH ESO ISS PBLA23 START 41.2
HIERARCH ESO ISS PBLA23 END 42.7
HIERARCH ESO ISS PBL24 START 201.52
HIERARCH ESO ISS PBL24 END 201.479
HIERARCH ESO ISS PBLA24 START 352.178
HIERARCH ESO ISS PBLA24 END 352.908
HIERARCH ESO ISS PBL34 START 158.246
HIERARCH ESO ISS PBL34 END 158.998
HIERARCH ESO ISS PBLA34 START 327.178
HIERARCH ESO ISS PBLA34 END 327.396
HIERARCH ESO ISS AMBI TAU0 START 0.005538
HIERARCH ESO ISS AMBI TAU0 END 0.004851
HIERARCH ESO ISS AMBI TEMP 10.81
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.67