Exposure
ID
GRAVI.2025-10-14T06:55:59.069_1
Header ID
GRAVI.2025-10-14T06:55:59.069
Date updated
2025-10-14 07:11:06 UTC+0000
Release date
2026-10-14 07:11:06 UTC+0000
UTC Start
2025-10-14 06:55:59.069
UTC End
2025-10-14 07:01:59.069
MJD Start
60962.28887811
MJD End
60962.29304477666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004991000000000001
Ambient temperature (°C)
11.02
Seeing (arcsec)
0.635
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 44.2510 44.5770 139.3000 139.5000
A0-J2 95.4220 97.4660 70.1000 71.2000
A0-J6 166.4350 166.4620 1.4010 2.3280
B5-J2 89.7910 90.9360 42.7000 44.1000
B5-J6 201.4770 201.4380 352.9400 353.6740
J2-J6 159.0310 159.7480 327.4060 327.6420
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 60962.28887811
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 44.251
HIERARCH ESO ISS PBL12 END 44.577
HIERARCH ESO ISS PBLA12 START 139.3
HIERARCH ESO ISS PBLA12 END 139.5
HIERARCH ESO ISS PBL13 START 95.422
HIERARCH ESO ISS PBL13 END 97.466
HIERARCH ESO ISS PBLA13 START 70.1
HIERARCH ESO ISS PBLA13 END 71.2
HIERARCH ESO ISS PBL14 START 166.435
HIERARCH ESO ISS PBL14 END 166.462
HIERARCH ESO ISS PBLA14 START 1.401
HIERARCH ESO ISS PBLA14 END 2.328
HIERARCH ESO ISS PBL23 START 89.791
HIERARCH ESO ISS PBL23 END 90.936
HIERARCH ESO ISS PBLA23 START 42.7
HIERARCH ESO ISS PBLA23 END 44.1
HIERARCH ESO ISS PBL24 START 201.477
HIERARCH ESO ISS PBL24 END 201.438
HIERARCH ESO ISS PBLA24 START 352.94
HIERARCH ESO ISS PBLA24 END 353.674
HIERARCH ESO ISS PBL34 START 159.031
HIERARCH ESO ISS PBL34 END 159.748
HIERARCH ESO ISS PBLA34 START 327.406
HIERARCH ESO ISS PBLA34 END 327.642
HIERARCH ESO ISS AMBI TAU0 START 0.004851
HIERARCH ESO ISS AMBI TAU0 END 0.005131
HIERARCH ESO ISS AMBI TEMP 11.02
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.6