Exposure
ID
GRAVI.2025-04-09T08:52:59.097_1
Header ID
GRAVI.2025-04-09T08:52:59.097
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 08:52:59.097
UTC End
2025-04-09 08:55:39.097
MJD Start
60774.37012844
MJD End
60774.37198029186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003286
Ambient temperature (°C)
14.11
Seeing (arcsec)
0.69
Observation
ID
66153
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
49248
Name
WR_103
RA
270.43216
DEC
-32.71582
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 56.4350 56.4200 21.5000 21.9000
U1-U3 102.3340 102.3100 27.7000 28.1000
U1-U4 130.0010 130.0620 55.1900 55.6060
U2-U3 46.6350 46.6290 35.3000 35.7000
U2-U4 88.7350 88.8470 75.8380 76.2530
U3-U4 61.3300 61.4500 105.4740 105.8390
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 60774.37012844
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 164270
HIERARCH ESO INS SOBJ NAME WR_103
RA 270.43216
DEC -32.71582
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 56.435
HIERARCH ESO ISS PBL12 END 56.42
HIERARCH ESO ISS PBLA12 START 21.5
HIERARCH ESO ISS PBLA12 END 21.9
HIERARCH ESO ISS PBL13 START 102.334
HIERARCH ESO ISS PBL13 END 102.31
HIERARCH ESO ISS PBLA13 START 27.7
HIERARCH ESO ISS PBLA13 END 28.1
HIERARCH ESO ISS PBL14 START 130.001
HIERARCH ESO ISS PBL14 END 130.062
HIERARCH ESO ISS PBLA14 START 55.19
HIERARCH ESO ISS PBLA14 END 55.606
HIERARCH ESO ISS PBL23 START 46.635
HIERARCH ESO ISS PBL23 END 46.629
HIERARCH ESO ISS PBLA23 START 35.3
HIERARCH ESO ISS PBLA23 END 35.7
HIERARCH ESO ISS PBL24 START 88.735
HIERARCH ESO ISS PBL24 END 88.847
HIERARCH ESO ISS PBLA24 START 75.838
HIERARCH ESO ISS PBLA24 END 76.253
HIERARCH ESO ISS PBL34 START 61.33
HIERARCH ESO ISS PBL34 END 61.45
HIERARCH ESO ISS PBLA34 START 105.474
HIERARCH ESO ISS PBLA34 END 105.839
HIERARCH ESO ISS AMBI TAU0 START 0.002471
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