Exposure
ID
GRAVI.2025-06-09T05:13:30.083_1
Header ID
GRAVI.2025-06-09T05:13:30.083
Date updated
2025-06-09 05:30:55 UTC+0000
Release date
2026-06-09 05:30:55 UTC+0000
UTC Start
2025-06-09 05:13:30.083
UTC End
2025-06-09 05:20:10.083
MJD Start
60835.21770929
MJD End
60835.22233891963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.007033
Ambient temperature (°C)
13.62
Seeing (arcsec)
0.31
Observation
ID
67849
Category
science
Program ID
115.28E1.002
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
50449
Name
WR_92
RA
261.349781
DEC
-43.49217
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 53.7060 53.5110 29.2000 30.1000
U1-U3 97.6830 97.2760 35.9000 36.7000
U1-U4 127.4680 126.9160 64.2540 65.3280
U2-U3 44.7650 44.5590 43.8000 44.7000
U2-U4 88.9910 88.7770 84.5140 85.6930
U3-U4 62.3270 62.4000 112.4530 113.6150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28E1.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60835.21770929
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 157451
HIERARCH ESO INS SOBJ NAME WR_92
RA 261.349781
DEC -43.49217
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 53.706
HIERARCH ESO ISS PBL12 END 53.511
HIERARCH ESO ISS PBLA12 START 29.2
HIERARCH ESO ISS PBLA12 END 30.1
HIERARCH ESO ISS PBL13 START 97.683
HIERARCH ESO ISS PBL13 END 97.276
HIERARCH ESO ISS PBLA13 START 35.9
HIERARCH ESO ISS PBLA13 END 36.7
HIERARCH ESO ISS PBL14 START 127.468
HIERARCH ESO ISS PBL14 END 126.916
HIERARCH ESO ISS PBLA14 START 64.254
HIERARCH ESO ISS PBLA14 END 65.328
HIERARCH ESO ISS PBL23 START 44.765
HIERARCH ESO ISS PBL23 END 44.559
HIERARCH ESO ISS PBLA23 START 43.8
HIERARCH ESO ISS PBLA23 END 44.7
HIERARCH ESO ISS PBL24 START 88.991
HIERARCH ESO ISS PBL24 END 88.777
HIERARCH ESO ISS PBLA24 START 84.514
HIERARCH ESO ISS PBLA24 END 85.693
HIERARCH ESO ISS PBL34 START 62.327
HIERARCH ESO ISS PBL34 END 62.4
HIERARCH ESO ISS PBLA34 START 112.453
HIERARCH ESO ISS PBLA34 END 113.615
HIERARCH ESO ISS AMBI TAU0 START 0.007132
HIERARCH ESO ISS AMBI TAU0 END 0.006934
HIERARCH ESO ISS AMBI TEMP 13.62
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.33