Exposure
ID
GRAVI.2025-05-14T06:21:55.569_1
Header ID
GRAVI.2025-05-14T06:21:55.569
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 06:21:55.569
UTC End
2025-05-14 06:24:35.569
MJD Start
60809.26522649
MJD End
60809.26707834186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00523
Ambient temperature (°C)
15.71
Seeing (arcsec)
0.715
Observation
ID
67401
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
50134
Name
WR_121
RA
281.057023
DEC
-3.80038
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 50.0470 50.1420 16.3000 16.7000
U1-U3 89.4150 89.6690 23.3000 23.7000
U1-U4 111.8720 112.5720 55.7350 56.0260
U2-U3 40.2130 40.3740 32.1000 32.5000
U2-U4 79.8450 80.3450 79.2160 79.3320
U3-U4 60.2110 60.4090 108.5370 108.5230
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 60809.26522649
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME EM AS 320
HIERARCH ESO INS SOBJ NAME WR_121
RA 281.057023
DEC -3.80038
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 50.047
HIERARCH ESO ISS PBL12 END 50.142
HIERARCH ESO ISS PBLA12 START 16.3
HIERARCH ESO ISS PBLA12 END 16.7
HIERARCH ESO ISS PBL13 START 89.415
HIERARCH ESO ISS PBL13 END 89.669
HIERARCH ESO ISS PBLA13 START 23.3
HIERARCH ESO ISS PBLA13 END 23.7
HIERARCH ESO ISS PBL14 START 111.872
HIERARCH ESO ISS PBL14 END 112.572
HIERARCH ESO ISS PBLA14 START 55.735
HIERARCH ESO ISS PBLA14 END 56.026
HIERARCH ESO ISS PBL23 START 40.213
HIERARCH ESO ISS PBL23 END 40.374
HIERARCH ESO ISS PBLA23 START 32.1
HIERARCH ESO ISS PBLA23 END 32.5
HIERARCH ESO ISS PBL24 START 79.845
HIERARCH ESO ISS PBL24 END 80.345
HIERARCH ESO ISS PBLA24 START 79.216
HIERARCH ESO ISS PBLA24 END 79.332
HIERARCH ESO ISS PBL34 START 60.211
HIERARCH ESO ISS PBL34 END 60.409
HIERARCH ESO ISS PBLA34 START 108.537
HIERARCH ESO ISS PBLA34 END 108.523
HIERARCH ESO ISS AMBI TAU0 START 0.004886
HIERARCH ESO ISS AMBI TAU0 END 0.005574
HIERARCH ESO ISS AMBI TEMP 15.71
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.72