Exposure
ID
GRAVI.2025-05-14T06:18:37.560_1
Header ID
GRAVI.2025-05-14T06:18:37.560
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 06:18:37.560
UTC End
2025-05-14 06:21:17.560
MJD Start
60809.26293472
MJD End
60809.26478657185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0048045
Ambient temperature (°C)
15.66
Seeing (arcsec)
0.735
Observation
ID
67400
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
50133
Name
WR_121
RA
281.05703
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 49.9430 50.0360 15.8000 16.2000
U1-U3 89.1350 89.3860 22.8000 23.2000
U1-U4 111.0810 111.7920 55.4020 55.7020
U2-U3 40.0350 40.1950 31.6000 32.0000
U2-U4 79.2730 79.7870 79.0830 79.2030
U3-U4 59.9810 60.1880 108.5570 108.5390
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 60809.26293472
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME EM AS 320
HIERARCH ESO INS SOBJ NAME WR_121
RA 281.05703
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 49.943
HIERARCH ESO ISS PBL12 END 50.036
HIERARCH ESO ISS PBLA12 START 15.8
HIERARCH ESO ISS PBLA12 END 16.2
HIERARCH ESO ISS PBL13 START 89.135
HIERARCH ESO ISS PBL13 END 89.386
HIERARCH ESO ISS PBLA13 START 22.8
HIERARCH ESO ISS PBLA13 END 23.2
HIERARCH ESO ISS PBL14 START 111.081
HIERARCH ESO ISS PBL14 END 111.792
HIERARCH ESO ISS PBLA14 START 55.402
HIERARCH ESO ISS PBLA14 END 55.702
HIERARCH ESO ISS PBL23 START 40.035
HIERARCH ESO ISS PBL23 END 40.195
HIERARCH ESO ISS PBLA23 START 31.6
HIERARCH ESO ISS PBLA23 END 32.0
HIERARCH ESO ISS PBL24 START 79.273
HIERARCH ESO ISS PBL24 END 79.787
HIERARCH ESO ISS PBLA24 START 79.083
HIERARCH ESO ISS PBLA24 END 79.203
HIERARCH ESO ISS PBL34 START 59.981
HIERARCH ESO ISS PBL34 END 60.188
HIERARCH ESO ISS PBLA34 START 108.557
HIERARCH ESO ISS PBLA34 END 108.539
HIERARCH ESO ISS AMBI TAU0 START 0.004723
HIERARCH ESO ISS AMBI TAU0 END 0.004886
HIERARCH ESO ISS AMBI TEMP 15.66
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.71