Exposure
ID
GRAVI.2025-06-09T05:46:03.166_1
Header ID
GRAVI.2025-06-09T05:46:03.166
Date updated
2025-06-09 06:01:30 UTC+0000
Release date
2025-06-09 05:46:03 UTC+0000
UTC Start
2025-06-09 05:46:03.166
UTC End
2025-06-09 05:52:43.166
MJD Start
60835.24031442
MJD End
60835.24494404963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0067625
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.33499999999999996
Observation
ID
67851
Category
calibrator
Program ID
115.28E1.002
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
50451
Name
HD156291
RA
259.668591
DEC
-40.77342
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 53.2330 52.9880 33.2000 33.9000
U1-U3 96.3360 95.8130 40.0000 40.7000
U1-U4 124.2300 123.3690 69.4760 70.4550
U2-U3 43.9170 43.6440 48.1000 48.9000
U2-U4 87.1880 86.7140 90.6420 91.7730
U3-U4 62.3310 62.2360 119.0710 120.2450
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28E1.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60835.24031442
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 156291
HIERARCH ESO INS SOBJ NAME HD156291
RA 259.668591
DEC -40.77342
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 53.233
HIERARCH ESO ISS PBL12 END 52.988
HIERARCH ESO ISS PBLA12 START 33.2
HIERARCH ESO ISS PBLA12 END 33.9
HIERARCH ESO ISS PBL13 START 96.336
HIERARCH ESO ISS PBL13 END 95.813
HIERARCH ESO ISS PBLA13 START 40.0
HIERARCH ESO ISS PBLA13 END 40.7
HIERARCH ESO ISS PBL14 START 124.23
HIERARCH ESO ISS PBL14 END 123.369
HIERARCH ESO ISS PBLA14 START 69.476
HIERARCH ESO ISS PBLA14 END 70.455
HIERARCH ESO ISS PBL23 START 43.917
HIERARCH ESO ISS PBL23 END 43.644
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.188
HIERARCH ESO ISS PBL24 END 86.714
HIERARCH ESO ISS PBLA24 START 90.642
HIERARCH ESO ISS PBLA24 END 91.773
HIERARCH ESO ISS PBL34 START 62.331
HIERARCH ESO ISS PBL34 END 62.236
HIERARCH ESO ISS PBLA34 START 119.071
HIERARCH ESO ISS PBLA34 END 120.245
HIERARCH ESO ISS AMBI TAU0 START 0.006544
HIERARCH ESO ISS AMBI TAU0 END 0.006981
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.32