Exposure
ID
GRAVI.2025-04-09T08:49:44.089_1
Header ID
GRAVI.2025-04-09T08:49:44.089
Date updated
2025-04-09 09:00:43 UTC+0000
Release date
2026-04-09 09:00:43 UTC+0000
UTC Start
2025-04-09 08:49:44.089
UTC End
2025-04-09 08:52:24.089
MJD Start
60774.3678714
MJD End
60774.36972325185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002471
Ambient temperature (°C)
14.15
Seeing (arcsec)
0.81
Observation
ID
66152
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
49247
Name
WR_103
RA
270.432146
DEC
-32.71583
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 56.4510 56.4370 21.1000 21.5000
U1-U3 102.3580 102.3370 27.3000 27.7000
U1-U4 129.9230 129.9940 54.7230 55.1420
U2-U3 46.6390 46.6350 34.8000 35.2000
U2-U4 88.6000 88.7220 75.3730 75.7910
U3-U4 61.1880 61.3160 105.0670 105.4320
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 60774.3678714
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 164270
HIERARCH ESO INS SOBJ NAME WR_103
RA 270.432146
DEC -32.71583
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 56.451
HIERARCH ESO ISS PBL12 END 56.437
HIERARCH ESO ISS PBLA12 START 21.1
HIERARCH ESO ISS PBLA12 END 21.5
HIERARCH ESO ISS PBL13 START 102.358
HIERARCH ESO ISS PBL13 END 102.337
HIERARCH ESO ISS PBLA13 START 27.3
HIERARCH ESO ISS PBLA13 END 27.7
HIERARCH ESO ISS PBL14 START 129.923
HIERARCH ESO ISS PBL14 END 129.994
HIERARCH ESO ISS PBLA14 START 54.723
HIERARCH ESO ISS PBLA14 END 55.142
HIERARCH ESO ISS PBL23 START 46.639
HIERARCH ESO ISS PBL23 END 46.635
HIERARCH ESO ISS PBLA23 START 34.8
HIERARCH ESO ISS PBLA23 END 35.2
HIERARCH ESO ISS PBL24 START 88.6
HIERARCH ESO ISS PBL24 END 88.722
HIERARCH ESO ISS PBLA24 START 75.373
HIERARCH ESO ISS PBLA24 END 75.791
HIERARCH ESO ISS PBL34 START 61.188
HIERARCH ESO ISS PBL34 END 61.316
HIERARCH ESO ISS PBLA34 START 105.067
HIERARCH ESO ISS PBLA34 END 105.432
HIERARCH ESO ISS AMBI TAU0 START 0.002471
HIERARCH ESO ISS AMBI TAU0 END 0.002471
HIERARCH ESO ISS AMBI TEMP 14.15
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.69