Exposure
ID
GRAVI.2025-05-14T06:25:10.577_1
Header ID
GRAVI.2025-05-14T06:25:10.577
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 06:25:10.577
UTC End
2025-05-14 06:27:50.577
MJD Start
60809.26748353
MJD End
60809.269335381854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0058390000000000004
Ambient temperature (°C)
15.93
Seeing (arcsec)
0.7
Observation
ID
67402
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
50135
Name
WR_121
RA
281.057026
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 50.1540 50.2510 16.7000 17.2000
U1-U3 89.7010 89.9570 23.8000 24.2000
U1-U4 112.6580 113.3460 56.0620 56.3440
U2-U3 40.3940 40.5540 32.5000 32.9000
U2-U4 80.4070 80.8930 79.3470 79.4600
U3-U4 60.4330 60.6210 108.5210 108.5100
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 60809.26748353
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME EM AS 320
HIERARCH ESO INS SOBJ NAME WR_121
RA 281.057026
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 50.154
HIERARCH ESO ISS PBL12 END 50.251
HIERARCH ESO ISS PBLA12 START 16.7
HIERARCH ESO ISS PBLA12 END 17.2
HIERARCH ESO ISS PBL13 START 89.701
HIERARCH ESO ISS PBL13 END 89.957
HIERARCH ESO ISS PBLA13 START 23.8
HIERARCH ESO ISS PBLA13 END 24.2
HIERARCH ESO ISS PBL14 START 112.658
HIERARCH ESO ISS PBL14 END 113.346
HIERARCH ESO ISS PBLA14 START 56.062
HIERARCH ESO ISS PBLA14 END 56.344
HIERARCH ESO ISS PBL23 START 40.394
HIERARCH ESO ISS PBL23 END 40.554
HIERARCH ESO ISS PBLA23 START 32.5
HIERARCH ESO ISS PBLA23 END 32.9
HIERARCH ESO ISS PBL24 START 80.407
HIERARCH ESO ISS PBL24 END 80.893
HIERARCH ESO ISS PBLA24 START 79.347
HIERARCH ESO ISS PBLA24 END 79.46
HIERARCH ESO ISS PBL34 START 60.433
HIERARCH ESO ISS PBL34 END 60.621
HIERARCH ESO ISS PBLA34 START 108.521
HIERARCH ESO ISS PBLA34 END 108.51
HIERARCH ESO ISS AMBI TAU0 START 0.005725
HIERARCH ESO ISS AMBI TAU0 END 0.005953
HIERARCH ESO ISS AMBI TEMP 15.93
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.75