Exposure
ID
GRAVI.2025-04-09T08:56:14.105_1
Header ID
GRAVI.2025-04-09T08:56:14.105
Date updated
2025-04-09 09:05:41 UTC+0000
Release date
2026-04-09 09:05:41 UTC+0000
UTC Start
2025-04-09 08:56:14.105
UTC End
2025-04-09 08:58:54.105
MJD Start
60774.37238548
MJD End
60774.37423733185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004101
Ambient temperature (°C)
14.11
Seeing (arcsec)
0.69
Observation
ID
66154
Category
science
Program ID
115.28E1.001
Program Title
A CLOSER LOOK AT THE ENVIRONMENTS OF LATE-TYPE CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
DESHMUKH / SANA / SANDER / SHENAR / MÉRAND / FROST / LEFEVER
Target
ID
49249
Name
WR_103
RA
270.432131
DEC
-32.71581
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.4180 56.4010 21.9000 22.3000
U1-U3 102.3070 102.2800 28.1000 28.5000
U1-U4 130.0670 130.1160 55.6480 56.0550
U2-U3 46.6280 46.6200 35.7000 36.1000
U2-U4 88.8580 88.9580 76.2950 76.7040
U3-U4 61.4620 61.5730 105.8770 106.2400
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28E1.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60774.37238548
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 164270
HIERARCH ESO INS SOBJ NAME WR_103
RA 270.432131
DEC -32.71581
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 56.418
HIERARCH ESO ISS PBL12 END 56.401
HIERARCH ESO ISS PBLA12 START 21.9
HIERARCH ESO ISS PBLA12 END 22.3
HIERARCH ESO ISS PBL13 START 102.307
HIERARCH ESO ISS PBL13 END 102.28
HIERARCH ESO ISS PBLA13 START 28.1
HIERARCH ESO ISS PBLA13 END 28.5
HIERARCH ESO ISS PBL14 START 130.067
HIERARCH ESO ISS PBL14 END 130.116
HIERARCH ESO ISS PBLA14 START 55.648
HIERARCH ESO ISS PBLA14 END 56.055
HIERARCH ESO ISS PBL23 START 46.628
HIERARCH ESO ISS PBL23 END 46.62
HIERARCH ESO ISS PBLA23 START 35.7
HIERARCH ESO ISS PBLA23 END 36.1
HIERARCH ESO ISS PBL24 START 88.858
HIERARCH ESO ISS PBL24 END 88.958
HIERARCH ESO ISS PBLA24 START 76.295
HIERARCH ESO ISS PBLA24 END 76.704
HIERARCH ESO ISS PBL34 START 61.462
HIERARCH ESO ISS PBL34 END 61.573
HIERARCH ESO ISS PBLA34 START 105.877
HIERARCH ESO ISS PBLA34 END 106.24
HIERARCH ESO ISS AMBI TAU0 START 0.004101
HIERARCH ESO ISS AMBI TAU0 END 0.004101
HIERARCH ESO ISS AMBI TEMP 14.11
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69