Exposure
ID
GRAVI.2025-10-13T06:45:29.546_1
Header ID
GRAVI.2025-10-13T06:45:29.546
Date updated
2025-10-13 07:00:56 UTC+0000
Release date
2026-10-13 07:00:56 UTC+0000
UTC Start
2025-10-13 06:45:29.546
UTC End
2025-10-13 06:51:29.546
MJD Start
60961.28159197
MJD End
60961.285758636666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0064935
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.6950000000000001
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 43.4580 43.8130 139.1000 139.2000
A0-J2 90.6000 92.7340 67.5000 68.7000
A0-J6 166.4240 166.4200 359.2760 0.2060
B5-J2 87.1950 88.3260 39.3000 40.8000
B5-J6 201.5720 201.5300 351.2760 352.0010
J2-J6 157.2630 158.0590 326.9310 327.1270
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 60961.28159197
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 43.458
HIERARCH ESO ISS PBL12 END 43.813
HIERARCH ESO ISS PBLA12 START 139.1
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 90.6
HIERARCH ESO ISS PBL13 END 92.734
HIERARCH ESO ISS PBLA13 START 67.5
HIERARCH ESO ISS PBLA13 END 68.7
HIERARCH ESO ISS PBL14 START 166.424
HIERARCH ESO ISS PBL14 END 166.42
HIERARCH ESO ISS PBLA14 START 359.276
HIERARCH ESO ISS PBLA14 END 0.206
HIERARCH ESO ISS PBL23 START 87.195
HIERARCH ESO ISS PBL23 END 88.326
HIERARCH ESO ISS PBLA23 START 39.3
HIERARCH ESO ISS PBLA23 END 40.8
HIERARCH ESO ISS PBL24 START 201.572
HIERARCH ESO ISS PBL24 END 201.53
HIERARCH ESO ISS PBLA24 START 351.276
HIERARCH ESO ISS PBLA24 END 352.001
HIERARCH ESO ISS PBL34 START 157.263
HIERARCH ESO ISS PBL34 END 158.059
HIERARCH ESO ISS PBLA34 START 326.931
HIERARCH ESO ISS PBLA34 END 327.127
HIERARCH ESO ISS AMBI TAU0 START 0.006195
HIERARCH ESO ISS AMBI TAU0 END 0.006792
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.75