Exposure
ID
GRAVI.2025-04-09T08:46:29.081_1
Header ID
GRAVI.2025-04-09T08:46:29.081
Date updated
2025-04-09 08:55:41 UTC+0000
Release date
2026-04-09 08:55:41 UTC+0000
UTC Start
2025-04-09 08:46:29.081
UTC End
2025-04-09 08:49:09.081
MJD Start
60774.36561436
MJD End
60774.36746621186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002471
Ambient temperature (°C)
14.2
Seeing (arcsec)
1.01
Observation
ID
66151
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
49246
Name
WR_103
RA
270.432138
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 56.4650 56.4520 20.7000 21.1000
U1-U3 102.3780 102.3600 26.9000 27.3000
U1-U4 129.8320 129.9140 54.2520 54.6750
U2-U3 46.6410 46.6390 34.4000 34.8000
U2-U4 88.4530 88.5850 74.9050 75.3250
U3-U4 61.0370 61.1730 104.6630 105.0260
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 60774.36561436
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 164270
HIERARCH ESO INS SOBJ NAME WR_103
RA 270.432138
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 56.465
HIERARCH ESO ISS PBL12 END 56.452
HIERARCH ESO ISS PBLA12 START 20.7
HIERARCH ESO ISS PBLA12 END 21.1
HIERARCH ESO ISS PBL13 START 102.378
HIERARCH ESO ISS PBL13 END 102.36
HIERARCH ESO ISS PBLA13 START 26.9
HIERARCH ESO ISS PBLA13 END 27.3
HIERARCH ESO ISS PBL14 START 129.832
HIERARCH ESO ISS PBL14 END 129.914
HIERARCH ESO ISS PBLA14 START 54.252
HIERARCH ESO ISS PBLA14 END 54.675
HIERARCH ESO ISS PBL23 START 46.641
HIERARCH ESO ISS PBL23 END 46.639
HIERARCH ESO ISS PBLA23 START 34.4
HIERARCH ESO ISS PBLA23 END 34.8
HIERARCH ESO ISS PBL24 START 88.453
HIERARCH ESO ISS PBL24 END 88.585
HIERARCH ESO ISS PBLA24 START 74.905
HIERARCH ESO ISS PBLA24 END 75.325
HIERARCH ESO ISS PBL34 START 61.037
HIERARCH ESO ISS PBL34 END 61.173
HIERARCH ESO ISS PBLA34 START 104.663
HIERARCH ESO ISS PBLA34 END 105.026
HIERARCH ESO ISS AMBI TAU0 START 0.002471
HIERARCH ESO ISS AMBI TAU0 END 0.002471
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 0.93