Exposure
ID
GRAVI.2025-10-13T06:52:05.562_1
Header ID
GRAVI.2025-10-13T06:52:05.562
Date updated
2025-10-13 07:07:02 UTC+0000
Release date
2026-10-13 07:07:02 UTC+0000
UTC Start
2025-10-13 06:52:05.562
UTC End
2025-10-13 06:58:05.562
MJD Start
60961.28617549
MJD End
60961.290342156666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0069435
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.72
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 43.8300 44.1720 139.2000 139.3000
A0-J2 92.8350 94.9270 68.8000 69.9000
A0-J6 166.4200 166.4310 0.2500 1.1790
B5-J2 88.3800 89.5180 40.9000 42.4000
B5-J6 201.5280 201.4870 352.0360 352.7650
J2-J6 158.0960 158.8540 327.1370 327.3520
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 60961.28617549
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 43.83
HIERARCH ESO ISS PBL12 END 44.172
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 139.3
HIERARCH ESO ISS PBL13 START 92.835
HIERARCH ESO ISS PBL13 END 94.927
HIERARCH ESO ISS PBLA13 START 68.8
HIERARCH ESO ISS PBLA13 END 69.9
HIERARCH ESO ISS PBL14 START 166.42
HIERARCH ESO ISS PBL14 END 166.431
HIERARCH ESO ISS PBLA14 START 0.25
HIERARCH ESO ISS PBLA14 END 1.179
HIERARCH ESO ISS PBL23 START 88.38
HIERARCH ESO ISS PBL23 END 89.518
HIERARCH ESO ISS PBLA23 START 40.9
HIERARCH ESO ISS PBLA23 END 42.4
HIERARCH ESO ISS PBL24 START 201.528
HIERARCH ESO ISS PBL24 END 201.487
HIERARCH ESO ISS PBLA24 START 352.036
HIERARCH ESO ISS PBLA24 END 352.765
HIERARCH ESO ISS PBL34 START 158.096
HIERARCH ESO ISS PBL34 END 158.854
HIERARCH ESO ISS PBLA34 START 327.137
HIERARCH ESO ISS PBLA34 END 327.352
HIERARCH ESO ISS AMBI TAU0 START 0.006792
HIERARCH ESO ISS AMBI TAU0 END 0.007095
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.69