Exposure
ID
GRAVI.2025-11-28T04:04:15.110_1
Header ID
GRAVI.2025-11-28T04:04:15.110
Date updated
2025-11-28 04:20:53 UTC+0000
Release date
2025-11-28 04:04:15 UTC+0000
UTC Start
2025-11-28 04:04:15.110
UTC End
2025-11-28 04:10:15.110
MJD Start
61007.16961933
MJD End
61007.17378599667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045835
Ambient temperature (°C)
15.24
Seeing (arcsec)
0.635
Observation
ID
71883
Category
calibrator
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
53364
Name
HD_49372
RA
101.840959
DEC
-20.30048
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 45.7220 45.9890 140.6000 140.7000
A0-J2 97.7820 99.8650 75.1000 76.0000
A0-J6 164.0940 164.1660 3.2110 4.1480
B5-J2 89.0880 90.3730 47.3000 48.6000
B5-J6 200.1290 200.0650 354.3060 355.0520
J2-J6 162.8200 163.3620 328.4120 328.6490
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.290L.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61007.16961933
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 49372
HIERARCH ESO INS SOBJ NAME HD_49372
RA 101.840959
DEC -20.30048
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 45.722
HIERARCH ESO ISS PBL12 END 45.989
HIERARCH ESO ISS PBLA12 START 140.6
HIERARCH ESO ISS PBLA12 END 140.7
HIERARCH ESO ISS PBL13 START 97.782
HIERARCH ESO ISS PBL13 END 99.865
HIERARCH ESO ISS PBLA13 START 75.1
HIERARCH ESO ISS PBLA13 END 76.0
HIERARCH ESO ISS PBL14 START 164.094
HIERARCH ESO ISS PBL14 END 164.166
HIERARCH ESO ISS PBLA14 START 3.211
HIERARCH ESO ISS PBLA14 END 4.148
HIERARCH ESO ISS PBL23 START 89.088
HIERARCH ESO ISS PBL23 END 90.373
HIERARCH ESO ISS PBLA23 START 47.3
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 200.129
HIERARCH ESO ISS PBL24 END 200.065
HIERARCH ESO ISS PBLA24 START 354.306
HIERARCH ESO ISS PBLA24 END 355.052
HIERARCH ESO ISS PBL34 START 162.82
HIERARCH ESO ISS PBL34 END 163.362
HIERARCH ESO ISS PBLA34 START 328.412
HIERARCH ESO ISS PBLA34 END 328.649
HIERARCH ESO ISS AMBI TAU0 START 0.004099
HIERARCH ESO ISS AMBI TAU0 END 0.005068
HIERARCH ESO ISS AMBI TEMP 15.24
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.75