Exposure
ID
GRAVI.2025-11-28T03:39:45.048_1
Header ID
GRAVI.2025-11-28T03:39:45.048
Date updated
2025-11-28 03:56:03 UTC+0000
Release date
2026-11-28 03:56:03 UTC+0000
UTC Start
2025-11-28 03:39:45.048
UTC End
2025-11-28 03:45:45.048
MJD Start
61007.15260472
MJD End
61007.15677138667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0026655000000000003
Ambient temperature (°C)
15.25
Seeing (arcsec)
0.5700000000000001
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 43.1730 43.5380 139.0000 139.1000
A0-J2 88.9290 91.0870 66.6000 67.8000
A0-J6 166.4380 166.4230 358.5570 359.4860
B5-J2 86.3350 87.4520 38.1000 39.7000
B5-J6 201.6060 201.5630 350.7200 351.4390
J2-J6 156.6230 157.4430 326.7900 326.9730
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 61007.15260472
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 43.173
HIERARCH ESO ISS PBL12 END 43.538
HIERARCH ESO ISS PBLA12 START 139.0
HIERARCH ESO ISS PBLA12 END 139.1
HIERARCH ESO ISS PBL13 START 88.929
HIERARCH ESO ISS PBL13 END 91.087
HIERARCH ESO ISS PBLA13 START 66.6
HIERARCH ESO ISS PBLA13 END 67.8
HIERARCH ESO ISS PBL14 START 166.438
HIERARCH ESO ISS PBL14 END 166.423
HIERARCH ESO ISS PBLA14 START 358.557
HIERARCH ESO ISS PBLA14 END 359.486
HIERARCH ESO ISS PBL23 START 86.335
HIERARCH ESO ISS PBL23 END 87.452
HIERARCH ESO ISS PBLA23 START 38.1
HIERARCH ESO ISS PBLA23 END 39.7
HIERARCH ESO ISS PBL24 START 201.606
HIERARCH ESO ISS PBL24 END 201.563
HIERARCH ESO ISS PBLA24 START 350.72
HIERARCH ESO ISS PBLA24 END 351.439
HIERARCH ESO ISS PBL34 START 156.623
HIERARCH ESO ISS PBL34 END 157.443
HIERARCH ESO ISS PBLA34 START 326.79
HIERARCH ESO ISS PBLA34 END 326.973
HIERARCH ESO ISS AMBI TAU0 START 0.002331
HIERARCH ESO ISS AMBI TAU0 END 0.003
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.51