Exposure
ID
GRAVI.2025-11-28T03:33:12.031_1
Header ID
GRAVI.2025-11-28T03:33:12.031
Date updated
2025-11-28 03:50:55 UTC+0000
Release date
2026-11-28 03:50:55 UTC+0000
UTC Start
2025-11-28 03:33:12.031
UTC End
2025-11-28 03:39:12.031
MJD Start
61007.14805591
MJD End
61007.15222257667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004234
Ambient temperature (°C)
15.28
Seeing (arcsec)
0.445
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 42.7810 43.1580 138.9000 139.0000
A0-J2 86.6630 88.8430 65.2000 66.5000
A0-J6 166.4670 166.4390 357.5910 358.5180
B5-J2 85.1910 86.2880 36.4000 38.0000
B5-J6 201.6510 201.6080 349.9770 350.6900
J2-J6 155.7320 156.5870 326.6200 326.7830
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 61007.14805591
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 42.781
HIERARCH ESO ISS PBL12 END 43.158
HIERARCH ESO ISS PBLA12 START 138.9
HIERARCH ESO ISS PBLA12 END 139.0
HIERARCH ESO ISS PBL13 START 86.663
HIERARCH ESO ISS PBL13 END 88.843
HIERARCH ESO ISS PBLA13 START 65.2
HIERARCH ESO ISS PBLA13 END 66.5
HIERARCH ESO ISS PBL14 START 166.467
HIERARCH ESO ISS PBL14 END 166.439
HIERARCH ESO ISS PBLA14 START 357.591
HIERARCH ESO ISS PBLA14 END 358.518
HIERARCH ESO ISS PBL23 START 85.191
HIERARCH ESO ISS PBL23 END 86.288
HIERARCH ESO ISS PBLA23 START 36.4
HIERARCH ESO ISS PBLA23 END 38.0
HIERARCH ESO ISS PBL24 START 201.651
HIERARCH ESO ISS PBL24 END 201.608
HIERARCH ESO ISS PBLA24 START 349.977
HIERARCH ESO ISS PBLA24 END 350.69
HIERARCH ESO ISS PBL34 START 155.732
HIERARCH ESO ISS PBL34 END 156.587
HIERARCH ESO ISS PBLA34 START 326.62
HIERARCH ESO ISS PBLA34 END 326.783
HIERARCH ESO ISS AMBI TAU0 START 0.005482
HIERARCH ESO ISS AMBI TAU0 END 0.002986
HIERARCH ESO ISS AMBI TEMP 15.28
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.51