Exposure
ID
GRAVI.2025-04-09T09:15:41.155_1
Header ID
GRAVI.2025-04-09T09:15:41.155
Date updated
2025-04-09 09:30:44 UTC+0000
Release date
2025-04-09 09:15:41 UTC+0000
UTC Start
2025-04-09 09:15:41.155
UTC End
2025-04-09 09:18:21.155
MJD Start
60774.385893
MJD End
60774.387744851854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004101
Ambient temperature (°C)
14.08
Seeing (arcsec)
1.0
Observation
ID
66156
Category
calibrator
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
49251
Name
HD164997
RA
271.310239
DEC
-32.26053
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 56.3490 56.3270 23.8000 24.1000
U1-U3 102.1730 102.1310 30.1000 30.5000
U1-U4 130.2100 130.2060 57.8530 58.2450
U2-U3 46.5770 46.5600 37.7000 38.1000
U2-U4 89.2820 89.3320 78.5470 78.9460
U3-U4 62.0120 62.0870 107.9450 108.3140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28E1.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60774.385893
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 164997
HIERARCH ESO INS SOBJ NAME HD164997
RA 271.310239
DEC -32.26053
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 56.349
HIERARCH ESO ISS PBL12 END 56.327
HIERARCH ESO ISS PBLA12 START 23.8
HIERARCH ESO ISS PBLA12 END 24.1
HIERARCH ESO ISS PBL13 START 102.173
HIERARCH ESO ISS PBL13 END 102.131
HIERARCH ESO ISS PBLA13 START 30.1
HIERARCH ESO ISS PBLA13 END 30.5
HIERARCH ESO ISS PBL14 START 130.21
HIERARCH ESO ISS PBL14 END 130.206
HIERARCH ESO ISS PBLA14 START 57.853
HIERARCH ESO ISS PBLA14 END 58.245
HIERARCH ESO ISS PBL23 START 46.577
HIERARCH ESO ISS PBL23 END 46.56
HIERARCH ESO ISS PBLA23 START 37.7
HIERARCH ESO ISS PBLA23 END 38.1
HIERARCH ESO ISS PBL24 START 89.282
HIERARCH ESO ISS PBL24 END 89.332
HIERARCH ESO ISS PBLA24 START 78.547
HIERARCH ESO ISS PBLA24 END 78.946
HIERARCH ESO ISS PBL34 START 62.012
HIERARCH ESO ISS PBL34 END 62.087
HIERARCH ESO ISS PBLA34 START 107.945
HIERARCH ESO ISS PBLA34 END 108.314
HIERARCH ESO ISS AMBI TAU0 START 0.004101
HIERARCH ESO ISS AMBI TAU0 END 0.004101
HIERARCH ESO ISS AMBI TEMP 14.08
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.0