Exposure
ID
GRAVI.2025-05-14T06:33:28.598_1
Header ID
GRAVI.2025-05-14T06:33:28.598
Date updated
2025-05-14 06:41:12 UTC+0000
Release date
2026-05-14 06:41:12 UTC+0000
UTC Start
2025-05-14 06:33:28.598
UTC End
2025-05-14 06:36:08.598
MJD Start
60809.27324766
MJD End
60809.275099511855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00486
Ambient temperature (°C)
15.96
Seeing (arcsec)
0.6799999999999999
Observation
ID
67404
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
50137
Name
WR_121
RA
281.05705
DEC
-3.80043
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 50.4330 50.5350 17.9000 18.3000
U1-U3 90.4300 90.6900 24.9000 25.3000
U1-U4 114.5780 115.2350 56.8410 57.1030
U2-U3 40.8470 41.0060 33.6000 34.0000
U2-U4 81.7500 82.2000 79.6600 79.7660
U3-U4 60.9410 61.1040 108.4980 108.4950
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 60809.27324766
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME EM AS 320
HIERARCH ESO INS SOBJ NAME WR_121
RA 281.05705
DEC -3.80043
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 50.433
HIERARCH ESO ISS PBL12 END 50.535
HIERARCH ESO ISS PBLA12 START 17.9
HIERARCH ESO ISS PBLA12 END 18.3
HIERARCH ESO ISS PBL13 START 90.43
HIERARCH ESO ISS PBL13 END 90.69
HIERARCH ESO ISS PBLA13 START 24.9
HIERARCH ESO ISS PBLA13 END 25.3
HIERARCH ESO ISS PBL14 START 114.578
HIERARCH ESO ISS PBL14 END 115.235
HIERARCH ESO ISS PBLA14 START 56.841
HIERARCH ESO ISS PBLA14 END 57.103
HIERARCH ESO ISS PBL23 START 40.847
HIERARCH ESO ISS PBL23 END 41.006
HIERARCH ESO ISS PBLA23 START 33.6
HIERARCH ESO ISS PBLA23 END 34.0
HIERARCH ESO ISS PBL24 START 81.75
HIERARCH ESO ISS PBL24 END 82.2
HIERARCH ESO ISS PBLA24 START 79.66
HIERARCH ESO ISS PBLA24 END 79.766
HIERARCH ESO ISS PBL34 START 60.941
HIERARCH ESO ISS PBL34 END 61.104
HIERARCH ESO ISS PBLA34 START 108.498
HIERARCH ESO ISS PBLA34 END 108.495
HIERARCH ESO ISS AMBI TAU0 START 0.005097
HIERARCH ESO ISS AMBI TAU0 END 0.004623
HIERARCH ESO ISS AMBI TEMP 15.96
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.72