Exposure
ID
GRAVI.2025-10-15T06:53:49.827_1
Header ID
GRAVI.2025-10-15T06:53:49.827
Date updated
2025-10-15 07:06:17 UTC+0000
Release date
2026-10-15 07:06:17 UTC+0000
UTC Start
2025-10-15 06:53:49.827
UTC End
2025-10-15 06:59:49.827
MJD Start
60963.28738226
MJD End
60963.29154892667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005494000000000001
Ambient temperature (°C)
12.14
Seeing (arcsec)
0.6699999999999999
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 44.3460 44.6670 139.4000 139.5000
A0-J2 96.0080 98.0400 70.5000 71.5000
A0-J6 166.4410 166.4720 1.6650 2.5920
B5-J2 90.1170 91.2620 43.1000 44.5000
B5-J6 201.4660 201.4280 353.1490 353.8850
J2-J6 159.2390 159.9460 327.4710 327.7130
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 60963.28738226
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 44.346
HIERARCH ESO ISS PBL12 END 44.667
HIERARCH ESO ISS PBLA12 START 139.4
HIERARCH ESO ISS PBLA12 END 139.5
HIERARCH ESO ISS PBL13 START 96.008
HIERARCH ESO ISS PBL13 END 98.04
HIERARCH ESO ISS PBLA13 START 70.5
HIERARCH ESO ISS PBLA13 END 71.5
HIERARCH ESO ISS PBL14 START 166.441
HIERARCH ESO ISS PBL14 END 166.472
HIERARCH ESO ISS PBLA14 START 1.665
HIERARCH ESO ISS PBLA14 END 2.592
HIERARCH ESO ISS PBL23 START 90.117
HIERARCH ESO ISS PBL23 END 91.262
HIERARCH ESO ISS PBLA23 START 43.1
HIERARCH ESO ISS PBLA23 END 44.5
HIERARCH ESO ISS PBL24 START 201.466
HIERARCH ESO ISS PBL24 END 201.428
HIERARCH ESO ISS PBLA24 START 353.149
HIERARCH ESO ISS PBLA24 END 353.885
HIERARCH ESO ISS PBL34 START 159.239
HIERARCH ESO ISS PBL34 END 159.946
HIERARCH ESO ISS PBLA34 START 327.471
HIERARCH ESO ISS PBLA34 END 327.713
HIERARCH ESO ISS AMBI TAU0 START 0.006231
HIERARCH ESO ISS AMBI TAU0 END 0.004757
HIERARCH ESO ISS AMBI TEMP 12.14
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.75